Computer
117 solved SSC CGL Computer Awareness previous year questions on Computer, each with the correct answer and a full explanation.
Q1
__________ changes each time it is installed to avoid detection by antivirus software.
✓ Correct answer: a) Polymorphic virus
ExplanationSome viruses are designed to change their code each time they spread.This change helps them avoid detection by antivirus software.Such viruses encrypt or modify their structure while keeping the same function.These characteristics describe a polymorphic virus.Hence, the correct answer is "Polymorphic virus".
Q2
A__________ is an agreement between the communicating parties on how communication is to proceed.
✓ Correct answer: d) Protocol
ExplanationIn communication systems, certain rules must be followed for data exchange.These rules define how data is formatted, transmitted, and received.An agreement on communication procedures between parties is called a protocol.Other options do not define communication rules.Hence, the correct answer is "Protocol".
Q3
Which of the following is an application protocol?
✓ Correct answer: a) HTTP
ExplanationThe Hypertext Transfer Protocol (HTTP) is an application protocol used for distributed, collaborative, and hypermedia information systems, serving as the foundation of data communication for the World Wide Web.HTTP (Hypertext Transfer Protocol) – Correct.It operates at the Application Layer (Layer 7 of the OSI model) and is used to load webpages and transfer hypermedia documents.TCP (Transmission Control Protocol) – Incorrect.It is a Transport Layer protocol responsible for reliable, ordered, and error-checked delivery of data.IP (Internet Protocol) – Incorrect.It is a Network Layer (Internet Layer) protocol responsible for addressing and routing packets across the internet.UDP (User Datagram Protocol) – Incorrect.It is a Transport Layer protocol used for fast, connectionless, and lightweight communication, often for streaming or DNS.Hence, the correct answer is "HTTP".
Q4
The complete form of 'IC' in electronics is
✓ Correct answer: c) Integrated circuit
ExplanationIn electronics, IC refers to a miniaturized electronic circuit.It contains multiple electronic components like transistors and resistors on a single chip.ICs are used in computers, mobile phones, and other electronic devices.The full form of IC is Integrated Circuit.Hence, the correct answer is "Integrated circuit".
Q5
What is the full form of 'LAN'?
✓ Correct answer: c) Local Area Network
ExplanationA LAN stands for Local Area Network.It consists of a series of computers linked together to form a network in a specific location.The computers in a LAN connect via IP ethernet or Wi-Fi.A LAN is normally exclusive to an organization, such as a school, association or office.LAN offers the following benefits: Resource sharing The relationship between the client and the server Internet sharing Sharing applications and software Data security Easy and fast communication Computer ID Hence, the correct answer is "Local Area Network".
Q6
The web uses __________ to request and serve web pages and programs.
✓ Correct answer: b) Hyper Text Markup Language
ExplanationHTML stands for Hypertext Markup Language.It is the standard markup language for creating web applications and web pages.With CSS known as Cascading Style Sheets and JavaScript, HTML forms a triad of cornerstone technologies for the WWW (World Wide Web).Web browsers collect HTML documents from a web server or from local storage and deliver them into multimedia web pages.Hence, the correct answer is “Hyper Text Markup Language”.
Q7
In which graphics, digital photos and scanned images are typically stored with extensions such as.bmp, .png, .jpg, .tif or.gif?
✓ Correct answer: a) Bitmap
ExplanationIn Bitmap graphics, digital photos and scanned images are typically stored with extensions such as .bmp, .png, .jpg, tif or gif.Bitmap is a format in which an image is shown and stored digitally.It comprises various dots which together form the image.Such dots are called pixels, therefore as the number of dots in an image increases the clarity of the image increases.Hence the correct answer is “ Bitmap.”
Q8
Netscape Navigator is a ____.
✓ Correct answer: c) web browser
ExplanationNetscape Navigator is a web browser that was discontinued in 2002 due to increased use of Microsoft’s Internet Explorer.Netscape Navigator was the flagship product of Netscape Communication Corp.In the 1990s it was the dominant web browser in terms of usage share.Graphical user interface is an interface that allows users to interact with different electronic devices using icons and other visual indicators.Computer programming language: It allows the user to give instructions to a computer in a language the computer understands.A processor is a unified electronic circuit that performs the calculations that run a computer.Hence, the correct answer is “web browser”.
Q9
___________ is not a storage device.
✓ Correct answer: c) Linux
ExplanationLinux is not a storage device; it is the best-known and most-used open-source operating system.As an operating system, Linux sits underneath all of the other software on a computer.It receives requests from programs and relays these requests to the computer's hardware.Linux is known for its stability, security, and flexibility.Hence, the correct answer is "Linux."
Q10
In Microsoft Excel, the () function returns the largest value among the values passed as arguments.
✓ Correct answer: d) MAX
ExplanationMAX in Microsoft Excel determines the highest cell value included in the argument.MAX returns the largest value from the numbers provided.MAX function ignores empty cells.Syntax for the MAX function in Excel is MAX(number 1, [Number 2,....number _n]).Hence, the correct answer is MAX.
Q11
In Microsoft Excel, the_________ () function is used to count the number of cells within a range that meet the given criteria.
✓ Correct answer: a) COUNTIF
ExplanationExcel COUNTIF function is used for counting cells within a given range that meet a certain criterion.COUNT function is used to get the number of entries in a number field that is in a range or array of numbers SUM function is used to add multiple numeric values within different cells.Hence, the correct answer is “COUNTIF”.
Q12
Which of the following is not among the three different forms of 'if statement?
✓ Correct answer: c) if...and
Explanationif…and is not among the three different forms of 'if statement.If statement in Python is a very powerful decision-making statement used to control the flow of execution of statements.It is a two-way decision-making statement used with a relational or logical expression.It can be used in five ways: If else Nested if If else if ladder Simple if Single Line if Hence, the correct answer is “if…and”.
Q13
In computer terminology, what is the full form of FTP?
✓ Correct answer: d) File Transfer Protocol
ExplanationFile Transfer Protocol (FTP) is a program for uploading and downloading files, typically those that are too big and would take too long to download via a regular email program as an attachment.The main features of FTP are as follows: It provides security for File Transfer.It also gives its users a well-maintained access control.It provides multiple access methods for file transfer.It hides the details of an individual's computer system.FTP was published in the 1970s as a response to comment during an MIT project, attributed to developer Abhay Bhushan.Hence, the correct answer is "File Transfer Protocol".
Q14
______ optical data storage is a technology where data is stored in multiple layers in the optical disc.
✓ Correct answer: a) 3D
Explanation3D optical data storage is a form of optical data storage in which any information can be recorded with three- dimensional resolution.The 3D disc consists of many layers of information.These layers of information are present at different depths in the media and each of these layers consists of a DVD-like spiral track.Hence, the correct answer is "3D".
Q15
What is the full form of ISDN?
✓ Correct answer: c) Integrated Service Digital Network
ExplanationISDN stands for Integrated Services Digital Network.It is a telephone network system that transmits data as well as voice over a digital line.It was designed to switch from landline technology to digital technology.These digital lines are commonly telephone lines & exchanges which are being established by the government.It was not possible before ISDN for ordinary telephone lines to provide fast transmission.ISDN was formally standardized in 1988 and became famous in the 1990s as a faster alternative to the dial-up connection for internet access.Hence, the correct answer is "Integrated Service Digital Network".
Q16
Which among the following is not an input device?
✓ Correct answer: a) Plotter
ExplanationA plotter is a type of computer printer specifically designed to produce high- quality, large-scale graphics such as blueprints, maps, and architectural drawings.It operates by moving a pen or other writing tool across the surface of a piece of paper to create images.Unlike input devices, which are used to input data into a computer system, plotters are used to produce hard copies or outputs of digital designs or drawings.Input devices include tools like keyboards, mice, scanners, and touchscreens, which are used to input data or commands into a computer system.Hence, the correct answer is "Plotter."
Q17
What is a bug in computer terminology?
✓ Correct answer: c) An error in the program
ExplanationA software bug refers to an error in a computer program or system.These errors can lead to incorrect or unexpected results.Debugging is the process of identifying and fixing these bugs.Bugs can range from simple syntax errors to complex logic flaws.Fixing bugs ensures that the program functions correctly and as intended.Hence, the correct answer is "An error in the program."
Q18
In Microsoft Word, _______ allows us to move selected paragraphs to the left.
✓ Correct answer: a) Decrease Indent
ExplanationDecrease indent is a feature in Microsoft Word.It allows users to shift selected paragraphs to the left.This adjustment is handy for organizing text or adjusting formatting.Increase Indent, Double Indent, and Single Indent perform different functions.Hence, the correct answer is "Decrease Indent."
Q19
______ software are freely available and can be edited and customized by anyone.
✓ Correct answer: b) Open Source
ExplanationOpen Source software is freely available for anyone to use, modify, and distribute.Its source code is accessible, allowing customization according to user needs.Examples include Linux, Apache, and Firefox.Open source promotes collaboration and transparency in software development.Hence, the correct answer is "Open Source".
Q20
'Teach Text' is a text editor in which of the following operating systems?
✓ Correct answer: d) Macintosh
ExplanationTeach text is a text editor of the Macintosh operating system.The operating system is defined as a computer program that organizes several other programs at the same time.Macintosh is an operating system developed by Apple Inc. to be installed and operated on the Apple Macintosh series of computers.It was introduced in 1984. Windows is an operating system developed and marketed by Microsoft.Google Chrome is a cross-platform web browser developed by Google.Hence the correct answer is “ Macintosh.”
Q21
Who created the first mechanical computer, which proved to be the prototype for future computers?
✓ Correct answer: d) Charles Babbage
ExplanationThe digital programmable computer was created by English polymath Charles Babbage.In 1822, Charles Babbage started developing the Difference Engine, the first automatic computing machine.Charles Babbage is famous for initiating the idea of a programmable computer and inventing the world's first mechanical computer.Hence, the correct answer is "Charles Babbage".
Q22
Which one among the following is the main system board of a computer?
✓ Correct answer: d) Mothernboard
ExplanationMother Board is the main system board of a computer.It is the printed circuit board that holds all the components of a computer in one place.It is also known as a logic board or system board.It allows and holds connections between all peripheral devices of the computer.The main components of the Motherboard are the CPU, BIOS, RAM, USB etc. A keyboard is an input device and is the most basic way for the user to communicate with a computer.A Central Processing Unit or CPU is electronic machinery that carries out instructions from programs that allow a computer or other device to perform its tasks.A microchip -- also called a chip, computer chip or integrated circuit (IC) -- is a unit of integrated circuitry that is manufactured at a microscopic scale using a semiconductor material, such as silicon.Hence, the correct answer is "Motherboard".
Q23
________ Disk Encryption is a technology (hardware or software) where data is encrypted before storage.
✓ Correct answer: b) Whole
ExplanationDisk encryption is a technology that protects information by converting it into unreadable code that cannot be deciphered easily by unauthorized people.Whole disk encryption signifies that everything on disk is encrypted.Disk encryption uses disk encryption software or hardware to encrypt every bit of data that goes on a disk.It is used to prevent unauthorized access to the storage of data.Hence, the correct answer is “Whole”.
Q24
A________ is a collection of letters, digits, punctuation characters, and so on.
✓ Correct answer: b) String
ExplanationIn computer science, a string is a finite sequence of characters.These characters can include letters, numbers, punctuation marks, and symbols.Strings are commonly defined by their length, which is the number of characters they contain.They are often used to represent text in programming languages and data processing.Strings are versatile and fundamental data types in computer science.They enable manipulation, comparison, and processing of textual data.Hence, the correct answer is "String."
Q25
Notepad' is a text editor in which of the following operating systems?
✓ Correct answer: a) Windows
ExplanationNotepad is a simple text editor for Microsoft Windows and a basic text editing program that allows computer users to create documents.Google Chrome is a free cross-platform web browser that was introduced for Microsoft Windows platforms in 2008, prior to later releases on Mac, Linux, and mobile devices.Mozilla Firefox is a fast and tidy open- source web browser.At its public launch in 2004, it was the first browser to challenge Microsoft Internet Explorer’s dominance.Mac was known as Macintosh until 1999. It is a family of personal computers designed and marketed by Apple Inc.Hence, the correct answer is “Windows”.
Q26
What is the full form of JPEG?
✓ Correct answer: a) Joint Photographic Experts Group
ExplanationJPEG: Joint Photographic Experts Group Joint Photographic Experts Group is the name of the group that created the JPEG standard often seen with the file extension.It is the method of compressing graphic images and is used for sending the images over the internet or for sorting images.The images are saved with a file extension name of .jpeg after they are compressed in jpeg.Hence, the correct answer is “Joint Photographic Experts Group”
Q27
Using one can resize, tag digital images, organize pictures into albums by drag and drop, can export the pictures for external use (by e-mail or print).
✓ Correct answer: c) Image Organizer
ExplanationUsing Image Organizer, one can resize, tag digital images, organize pictures into albums by drag and drop, and export the pictures for external use (by e-mail or print).Data organization is the way to arrange the raw data in an understandable order with the help of data organizers.Media organization is an area of Business Administration that deals with organizing and supervising teams of media professionals, various mass communication channels and technologies, media and entertainment productions, and more.Hence, the correct answer is “Image Organizer”.
Q28
In Microsoft Excel, the () function returns the smallest value among the values passed as arguments.
✓ Correct answer: c) MIN
ExplanationThe Excel MIN function returns the smallest value from a supplied set of numeric values.The syntax of the function is: MIN( number1, [number2], ... ) where the number arguments are one or more numeric values, that you want to return the lower value of.The MIN function takes a column or two phrases as an argument and returns the smallest value.Hence, the correct answer is “MIN”.
Q29
Which of the following is the first working prototype of the Internet?
✓ Correct answer: d) ARPANET
ExplanationThe first working prototype of the internet, known as ARPANET (Advanced Research Projects Agency Network), was developed in the late 1960s by the United States Department of Defense's Advanced Research Projects Agency (ARPA).ARPANET aimed to create a network that could connect computers and allow for the sharing of information and resources.The first successful communication over ARPANET occurred on October 29, 1969, between two computers located at the University of California, Los Angeles (UCLA) and the Stanford Research Institute (SRI).This event marked the birth of the internet as we know it today.The development of ARPANET laid the foundation for modern Internet infrastructure and introduced many of the fundamental technologies and protocols that are still in use today.Hence, the correct answer is "ARPANET".
Q30
__________ is the founder of Facebook.
✓ Correct answer: a) Mark Zuckerberg
ExplanationMark Zuckerberg is the principal founder of Facebook (now Meta Platforms), which he launched on February 4, 2004, from his dormitory room at Harvard University.He was assisted by his roommates and fellow students, including Eduardo Saverin, Dustin Moskovitz, and Chris Hughes.Mark Zuckerberg developed the initial site, then known as "TheFacebook," to help university students connect.He currently serves as the Chairman and CEO of Meta.Brian Acton is a computer programmer and entrepreneur, known as the co- founder of WhatsApp which is a widely used messaging app that allows users to send text messages, make voice and video calls, and share media files.Jimmy Wales is an American internet entrepreneur, best known as the co- founder of Wikipedia, the online encyclopedia that provides free and open content to users worldwide.Larry Page is an American computer scientist and entrepreneur, known as the co-founder of Google.Hence, the correct answer is "Mark Zuckerberg".
Q31
In MS-Excel 365 which of the following appears across the top of the screen and below the title bar and contains all the commands, formulas and features needed to create data- intense spreadsheets?
✓ Correct answer: d) Ribbon
ExplanationIn MS-Excel 365, the Ribbon appears across the top of the screen.It is located below the title bar, and contains all the commands, formulas, and features needed to create data- intense spreadsheets.It is organized into tabs (e.g., Home, Insert, Page Layout) that group related commands together.Hence, the correct answer is "Ribbon".
Q32
Which of the following is NOT an example of e- mail service provider? I. Outlook II. Gmail III. Yandex
✓ Correct answer: c) All are e-mail service providers
ExplanationOutlook: This is a widely used e-mail service provider developed by Microsoft.It offers e-mail services along with other features like calendar, task manager, and contact manager.Gmail: This is Google's e-mail service provider.It is one of the most popular e- mail services in the world.Yandex: This is a Russian multinational corporation specializing in Internet- related products and services, including its e-mail service, Yandex.Mail.Hence, the correct answer is "All are e-mail service providers".
Q33
Which of the following is keyboard shortcut to reload the current page in Google search engine?
✓ Correct answer: b) F5
ExplanationPressing F5 refreshes or reloads the current page in most web browsers, including Google Search.F1 typically opens the help menu.F3 is usually used to open a search function in many applications.F7 does not have a standard function related to page reloading.Hence, the correct answer is "F5".
Q34
________ is a reading device that reads printed text by scanning it character by character.
✓ Correct answer: d) Optical Character Reader (OCR)
ExplanationAn Optical Character Reader (OCR) is a device that reads printed text by scanning it character by character.Track Ball is a pointing device that uses a ball to control the cursor on the screen.A digitizer is a device that converts analog signals or images into digital form, often used for graphics and drawings.Magnetic Ink Card Reader (MICR) is a device used to read magnetic ink characters, typically found on checks and bank documents.Hence, the correct answer is "Optical Character Reader (OCR)".
Q35
_______ viruses are embedded in a system's memory so it can be reactivated if the original virus is deleted.
✓ Correct answer: b) Resident
ExplanationFile viruses attach themselves to executable files and spread when the infected file is run.Resident viruses embed themselves in the system's memory.Even if the original virus file is deleted, the resident virus can be reactivated because it remains in memory.Polymorphic viruses can change their code or appearance to evade detection.A rootkit is a type of malware that is designed to enable unauthorized access to a computer while hiding its existence.Hence, the correct answer is "Resident".
Q36
A _______ is a networking device that filters network traffic while connecting multiple computers or communicating devices
✓ Correct answer: c) Switch
ExplanationA switch is a networking device that connects multiple computers or other devices within a local area network (LAN) and filters traffic to ensure that data packets are only sent to the appropriate device.Repeater: This device regenerates and amplifies signals to extend the range of a network.Distributor: This term is less commonly used in networking.Router: While a router connects multiple networks and directs traffic between them, it is not primarily focused on filtering traffic within a single network segment like a switch.Hence, the correct answer is "Switch".
Q37
Which among the following statements is incorrect?
✓ Correct answer: a) The right window of Windows Explorer is called Navigation Pane.
ExplanationThe Navigation Pane is located on the left side of the Windows Explorer window.The Navigation Pane allows users to easily browse and access the file and folder structure of their computer.The Quick Access area in the Navigation Pane displays frequently used folders and recently accessed files for easy access.The primary purpose of the Navigation Pane is to simplify navigation through files and folders within Windows Explorer, making it more user-friendly.Hence, the correct answer is "The right window of Windows Explorer is called Navigation Pane.".
Q38
________memory is sometimes used to increase the speed of processing by making current programs and data available to the CPU at a rapid rate.
✓ Correct answer: d) Cache
ExplanationBackup refers to data that is saved for recovery purposes but does not directly relate to processing speed.Auxiliary memory typically refers to secondary storage (like hard drives) used for long-term data storage, which is slower than main memory.Main memory (or primary memory) is where the operating system, application programs, and currently processed data are kept for quick access.Cache memory is a small, high-speed storage location that temporarily holds frequently accessed data and instructions close to the CPU.This allows for quicker retrieval and processing, significantly increasing the overall speed of operations.Hence, the correct answer is "Cache".
Q39
____holds address of the active memory location.
✓ Correct answer: c) Memory Address Register
ExplanationThe Memory Address Register (MAR) holds the address of the active memory location that the CPU is currently accessing or planning to access next.This register is used to fetch data from or send data to a specific memory location in the main memory.The Stack Pointer holds the address of the last program request in the stack.The program Counter holds the address of the next instruction to be executed.The instruction Register holds the current instruction being executed.Hence, the correct answer is "Memory Address Register".
Q40
Which of the following shortcut key is used to select all cells of the current row in MS-Excel 2010 worksheet?
✓ Correct answer: b) Ctrl + Spacebar
ExplanationIn MS Excel 2010, pressing Ctrl + Spacebar selects all the cells in the current column, not the row.Ctrl + Spacebar selects the entire column.Neither Shift + Page Down nor Shift + Page Up selects the entire row; they only extend the selection by a screen’s worth of cells.Hence, the correct answer is "Ctrl + Spacebar".
Q41
Which among the following is incorrect about Laser Printers?
✓ Correct answer: b) Can print multiple copies at a time
ExplanationLaser printers use laser technology to project an image onto a drum, which is then transferred to paper using toner.They can only print one copy at a time.They are known for their high printing speeds.They generally have a wide range of font and size options available due to their advanced printing capabilities.Hence, the correct answer is "Can print multiple copies at a time".
Q42
The memory unit that communicates directly with the CPU is called ___________ memory.
✓ Correct answer: c) main
ExplanationMain memory (also known as primary memory or RAM) is the memory that the CPU accesses directly for processing data and instructions.It is much faster than secondary storage (such as hard drives or SSDs).It is essential for the execution of programs and the operation of the computer system.Cache memory, although very fast, serves as a smaller, high-speed intermediary between the CPU and main memory, storing frequently accessed data to speed up operations.Hence, the correct answer is "main".
Q43
In Microsoft Word, what is the purpose of the 'Print Preview' feature?
✓ Correct answer: d) To view how the document will appear when printed.
ExplanationThe Print Preview feature in Microsoft Word allows users to see how the document will appear when printed.It helps check the layout, margins, and overall appearance of the document.Users can ensure everything looks correct before finalizing the print.Hence, the correct answer is "To view how the document will appear when printed.".
Q44
Which of the following Internet protocol specifies how data is exchanged over the Internet and how it should be broken into IP packets?
✓ Correct answer: c) TCP
ExplanationTCP is responsible for breaking down data into smaller packets and ensuring that they are sent and received in the correct order over the Internet.It establishes a connection between the sender and receiver and manages error checking and data flow control.PPP is used for direct connections between two network nodes.HTTP is an application-layer protocol used for transferring hypertext (web pages) on the Internet.SMTP is used for sending emails but, like HTTP.Hence, the correct answer is "TCP"
Q45
Shading option in MS-Word 365 is used for______
✓ Correct answer: b) changing the color behind the selected text
ExplanationThe shading option in MS Word 365 allows users to add a background color behind the selected text, enhancing its visibility.It does not change the color around the text but rather behind it.Changing the color of the text itself is done through the font color option, not shading.Hence, the correct answer is "changing the color behind the selected text".
Q46
_______cookies track you and expose your privacy.
✓ Correct answer: b) Third-party
ExplanationThird-party cookies are created by domains other than the one being visited.They are often used for tracking users across different websites for advertising and analytics purposes, which can lead to privacy concerns.Persistent cookies are stored on your device and can remain for a long time.They do not inherently track users across different sites.Zombi cookies are a type of cookie that can regenerate after being deleted.Session cookies are temporary and are deleted when the browser is closed.Hence, the correct answer is "Third-party".
Q47
Which among the following registers in Instruction Cycle holds the last instruction fetched?
✓ Correct answer: b) Instruction Register (IR)
ExplanationMemory Address Register (MAR): Holds the memory address of the data that needs to be accessed.Instruction Register (IR): Holds the last instruction fetched from memory before it is decoded and executed.Program Counter (PC): Holds the address of the next instruction to be executed, not the last instruction.Memory Buffer Register (MBR): Holds the data that is being transferred to or from memory.Hence, the correct answer is "Instruction Register (IR)".
Q48
______displays a list of utility configure the computer system and install software and hardware.
✓ Correct answer: b) Control Panel
ExplanationThe Control Panel in Windows displays a list of utilities that allow users to configure the computer system, install software and hardware, and manage various settings related to the operating system and connected devices.It provides access to settings for system configuration, user accounts, network settings, and more.Hence, the correct answer is "Control Panel".
Q49
Which of the following font effects is not available in the MS-Word 2010 font dialog box?
✓ Correct answer: d) Equalize Character Height
ExplanationSuperscript: This effect allows text to be displayed slightly above the baseline, often used for exponents or footnotes Small Cap: This effect converts lowercase letters to smaller capital letters, making text look uniform, which is often used for stylistic purposes in headings or titles.Double Strikethrough: This effect applies two horizontal lines through the text, used to indicate deletion or revision.Equalize Character Height: This is not a font effect available in MS Word 2010. While it sounds like a formatting option, MS Word does not have a feature specifically called "Equalize Character Height." Hence, the correct answer is " Equalize Character Height".
Q50
_________is the oldest type of Central Processing Unit (CPU)
✓ Correct answer: b) Single Core
ExplanationTriple Core is a type of CPU with three processing cores, which is more advanced than single-core processors.Single Core is the oldest type of CPU architecture, featuring only one core that handles all processing tasks.Single-core CPUs were standard before the introduction of multi-core processors.A Dual core type has two cores and is more advanced than single-core CPUs, allowing for better multitasking and performance.Quad Core has four cores, offering even greater performance and multitasking capabilities compared to single-core and dual-core processors.Hence, the correct answer is "Single Core".
Q51
Which of the following option can be pressed to create a new email message in Gmail?
✓ Correct answer: c) Compose
ExplanationIn Gmail, the "Compose" button is used to create a new email message.Settings refer to the Gmail settings menu, where preferences, account settings, and configure features like filters or themes are present.Outbound refers to outgoing emails, but Gmail doesn't have an option called "Outbound." Drafts is a folder that contains emails one has started but hasn't sent yet.Hence, the correct answer is "Compose".
Q52
_________ server acts as a set of componeats accessible to the software developer through an API defined by the platform itself
✓ Correct answer: a) Application
ExplanationAn application server provides a set of components that software developers can access through an API defined by the platform itself.Mail typically refers to email servers that handle sending, receiving, and storing email messages.File Transfer Protocol (FTP)is a standard network protocol used for transferring files from one host to another over a TCP-based network.A database is a structured collection of data that can be accessed and managed.Hence, the correct answer is "Application".
Q53
Which one of the following folders is used to store deleted emails?
✓ Correct answer: a) Trash
ExplanationThe trash folder is where deleted emails are temporarily stored before being permanently removed from the account.This allows users to recover accidentally deleted emails if needed.Spam: This folder is used to store unsolicited or junk emails.Inbox: This is the primary folder where incoming emails are stored.Drafts: This folder is used to save emails that are not yet sent.Hence, the correct answer is "Trash".
Q54
Which among the following ports is also known as the Line Printer Port?
✓ Correct answer: a) Parallel
ExplanationThe parallel port is also called the Line Printer (LPT) port, as it was originally developed to connect printers to computers.It transmits 8 bits of data simultaneously (in parallel), making it faster than earlier serial connections for printers.Typically found on older computers, it was labeled as LPT1, LPT2, etc. Other options: VGA (Video Graphics Array) → used for monitors.HDMI (High Definition Media Interface) → modern video/audio interface.Display Port → digital display interface for monitors/projectors.Hence, the correct answer is "Parallel".
Q55
In Gmail, what do you use when you receive a mail and want to send the mail in response of the same mail and to the original sender only?
✓ Correct answer: d) Reply
ExplanationForward: Used to send the email to someone else, not to the original sender.Reply All: Sends your response to the original sender and all other recipients.Reply: Sends a response only to the original sender of the email.Hence, the correct answer is "Reply".
Q56
A _________ is a contagious program or code that attaches itself to another piece of software, and then reproduces itself when that software is run.
✓ Correct answer: b) virus
ExplanationA virus is a contagious program or code that attaches itself to another piece of software and reproduces itself when that software is run.Examples are ILOVEYOU Virus, Melissa Virus, Conficker, and Sasser.Mydoom etc. The first computer virus is generally attributed to Bob Thomas, who created the Creeper virus in the early 1970s.Hence, the correct answer is "virus".
Q57
Which among the following keyboard shortcut can be used to open Windows Explorer?
✓ Correct answer: a) Windows Key + E
ExplanationThe keyboard shortcut Windows Key + E opens Windows Explorer (File Explorer) directly, allowing users to browse files and folders on their computer quickly.Windows Key + R: This shortcut opens the Run dialog box, which is used to run commands.Windows Key + X: This opens the Quick Link menu (or Power User menu).Windows Key + W: This shortcut opens Windows Ink Workspace.Hence, the correct answer is "Windows Key + E ".
Q58
Which among the following keyboard shortcuts is used to insert a hyperlink for the selected text in Microsoft Word?
✓ Correct answer: a) Ctrl+K
ExplanationCtrl + K is the keyboard shortcut used in Microsoft Word to insert a hyperlink for the selected text.Ctrl + M is used to increase the indent of a paragraph.Ctrl + H opens the "Find and Replace" dialog.Ctrl + Z is the shortcut for undoing the last action.Hence, the correct answer is "Ctrl+K".
Q59
______records everything you type on your PC in order to obtain your log-in name, passwords and other sensitive information.
✓ Correct answer: b) Keyloggers
ExplanationKeyloggers are malicious software programs or devices that record every keystroke a user makes on their keyboard.This information, including login names, passwords, and other sensitive data, is then sent to a third party, typically without the user’s knowledge.Keyloggers are often used by cybercriminals to steal personal information, financial data, and credentials.Hence, the correct answer is "Keyloggers".
Q60
Which of the following is Math and trigonometric functions available in MS-Excel 365 ?
✓ Correct answer: b) ABS function
ExplanationText function includes functions related to text manipulation, not specifically math or trigonometric functions.ABS function returns the absolute value of a number, which is a mathematical function.It is indeed categorized under math functions in Excel.Logical functions used for logical comparisons (like IF, AND, OR) and are not specifically math or trigonometric functions.Financial function are used for financial calculations (like PMT, FV, etc.) and are also not categorized under math or trigonometric functions.Hence, the correct answer is " ABS function".
Q61
Which among the following type of computer is also known as notebook?
✓ Correct answer: a) Micro Computer
ExplanationA notebook computer is a type of microcomputer.Microcomputers are small, personal computers designed for individual use, and this category includes desktops, laptops, and notebooks.Notebooks are specifically designed to be portable, lightweight, and compact, making them easy to carry around.Hence, the correct answer is "Micro Computer".
Q62
While ___________ , data transfers from the customers' machine to the server.
✓ Correct answer: b) uploading
ExplanationBrowsing involves viewing web pages, which mostly involves downloading data from the server to the customer's machine.Uploading allows transferring data from the customer's machine to the server.Forwarding usually refers to passing data from one place to another, but not necessarily involving a transfer to a server.Downloading allows transferring data from the server to the customer's machine.Hence, the correct answer is "uploading".
Q63
A ______ can either be malware or hardware. The main purpose of this malware is to record the keys pressed by a user on the keyboard.
✓ Correct answer: a) Keyloggers
ExplanationKeyloggers are a type of surveillance software that can be either malware or hardware designed to record the keystrokes made by a user on their keyboard.This data is often used for malicious purposes, such as stealing personal information, passwords, and sensitive data.They can operate in the background without the user's knowledge.Hence, the correct answer is "Keyloggers".
Q64
__was the first browser to display images inline with text instead of displaying images in a separate window.
✓ Correct answer: b) Mosaic
ExplanationMosaic was the first web browser to display images inline with text.It was released in 1993. It allowed users to view both text and images within the same window, enhancing the visual experience and contributing significantly to the popularity of the web.Hence, the correct answer is "Mosaic".
Q65
Which among the following statements is incorrect about Central Processing Unit?
✓ Correct answer: b) Arithmetic Logic Unit is responsible for taking the input, converting it into a signal, and storing it for further processing.
ExplanationThe Control Unit does control the order of instruction execution.The Arithmetic Logic Unit (ALU) performs arithmetic and logical operations but does not handle input conversion or storage.T The ALU is often referred to as the "mathematical brain" of the computer because it performs mathematical calculations.The Control Unit does direct and manages the sequences of operations in the CPU.Hence, the correct answer is "Arithmetic Logic Unit is responsible for taking the input, converting it into a signal, and storing it for further processing.".
Q66
What is the primary purpose of RAM (Random Access Memory) in a computer?
✓ Correct answer: c) Providing temporary storage for data that the CPU is currently processing
ExplanationThe primary purpose of RAM (Random Access Memory) is to serve as a temporary storage area for data and instructions that the CPU (Central Processing Unit) needs while performing tasks.RAM allows quick access to data, making it ideal for handling active processes and running applications.RAM is volatile and loses data when powered off.Hence, the correct answer is "Providing temporary storage for data that the CPU is currently processing".
Q67
What is the keyboard shortcut for 'Copy' in most Windows applications?
✓ Correct answer: b) Ctrl + C
ExplanationIn most Windows applications, Ctrl + C is the keyboard shortcut for the "Copy" function, which copies the selected text or item to the clipboard.Ctrl + Z: Used to undo the last action.Ctrl + X: Used to cut the selected item (removing it and copying it to the clipboard).Ctrl + V: Used to paste the copied or cut item from the clipboard.Hence, the correct answer is "Ctrl + C.".
Q68
In File Explorer of Windows 10, the keyboard shortcut 'Num Lock + Asterisk sign (*)' is used to -_______ .
✓ Correct answer: a) display all subfolders under the selected folder
ExplanationIn Windows 10's File Explorer, pressing Num Lock + Asterisk (*) will display all subfolders under the selected folder, expanding them for easier navigation."Alt + Enter" open properties."Enter" opens the folder contents."Minus (-)" collapses the folder.Hence, the correct answer is "display all subfolders under the selected folder".
Q69
_________is also known as electronic disk.
✓ Correct answer: c) Solid-State Drive
ExplanationSolid-State Drive (SSD) is a storage device that uses flash memory to store data.SSDs have no moving parts, making them faster, more durable, and less prone to mechanical failure.This makes SSDs ideal for high- performance computing and data- intensive applications.Hence, the correct answer is "Solid-State Drive".
Q70
A / An _______ is an organisation that connects its subscriber's computer using modem to the Intemet.
✓ Correct answer: d) Internet Service Provider
ExplanationA / An Internet Service Provider (ISP) is an organization that connects its subscriber's computer using a modem to the Internet.It enables internet connectivity for individuals and businesses through various technologies like broadband, DSL, or fiber.It offers internet access through subscription plans, often including various speeds and data limits.Subscribers typically require a modem or router to connect to the ISP's network and access the internet.Hence, the correct answer is "Internet Service Provider".
Q71
Consider the following statements regarding line spacing of a paragraph in MS-Word 2010: P: Line spacing determines the amount of vertical space between lines of text in a paragraph. Q: Line spacing determines the amount of diagonal space between lines of text in a paragraph Which of the following statement(s) is/are correct?
✓ Correct answer: a) Only P
ExplanationLine spacing determines the amount of vertical space between lines of text in a paragraph.This is a fundamental aspect of formatting in MS Word, allowing users to adjust the readability and appearance of text.Line spacing does not determine the amount of diagonal space between lines of text.Hence, the correct answer is "Only P".
Q72
_______is a high-speed device used in CPU that is utilised to store data temporarily during processing.
✓ Correct answer: d) Registers
ExplanationRegisters are small, high-speed storage locations within the CPU.They temporarily hold data and instructions during processing.They are essential for the CPU's operation, allowing it to access and manipulate data quickly.They provide immediate access to the data the CPU needs to execute tasks efficiently.Hence, the correct answer is "Registers".
Q73
______is a passage to connect two networks that may work on different networking models.
✓ Correct answer: c) Gateway
ExplanationA gateway is a device that acts as a "gate" between two networks, allowing them to communicate even if they use different networking models or protocols.The router directs data packets between networks but typically operates within the same networking model.Switch connects devices within the same network, operating at the data link layer.Hub is a basic device that connects multiple Ethernet devices, making them act as a single network segment but does not perform any routing or networking model conversion.Hence, the correct answer is "Gateway".
Q74
In MS-Word 365, Ctrl+E is the keyboard shortcut to_____
✓ Correct answer: b) centre align the selected text
ExplanationIn MS Word 365, the keyboard shortcut Ctrl + E is used to centre align the selected text.Justify the selected text: This is done with Ctrl + J. Right align the selected text: This can be achieved with Ctrl + R. Display the file menu options: This is usually accessed by pressing the Alt key, followed by the corresponding letter for the menu.Hence, the correct answer is "centre align the selected text".
Q75
Which among the following statements is incorrect for input devices?
✓ Correct answer: a) Input devices are also called as peripheral device.
ExplanationWhile input devices can be considered peripheral devices (as they are external to the computer and connect to it), not all peripheral devices are input devices.Peripheral devices can also include output devices (like printers and monitors) and storage devices (like external hard drives).Hence, the correct answer is "Input devices are also called as peripheral device.".
Q76
In computer registers, MAR stands for ______.
✓ Correct answer: c) Memory Address Register
ExplanationIn computer architecture, MAR stands for Memory Address Register.It holds the address of the memory location that the CPU intends to access.The CPU uses MAR to read from or write to specific memory locations.MAR is essential for accessing data in memory during processing.Hence, the correct answer is "Memory Address Register.".
Q77
In MS-Excel 2019, what does the SUM function do?
✓ Correct answer: b) It adds up the values in a range.
ExplanationIn MS-Excel 2019, the SUM function is used to add up the values in a specified range of cells.For example, =SUM(A1:A5) would calculate the total of all values from cell A1 to A5. The COUNT function counts the number of cells with numerical values in a range.The AVERAGE function calculates the average of values in a range.Hence, the correct answer is "It adds up the values in a range.".
Q78
_________is a type of dedicated file storage device that provides local-area network (LAN) users with centralized, consolidated disk storage through a standard Ethernet connection.
✓ Correct answer: d) Network Attached Storage (NAS)
ExplanationNAS is a type of dedicated file storage device that provides centralized disk storage to users on a local-area network (LAN) through a standard Ethernet connection.Solid-State Drive (SSD) is a fast storage device using flash memory is used in computers.USB Hard Drives are portable external drives connected via USB for personal storage.USB Sticks are small, portable flash drives for data transfer, not for network storage.Hence, the correct answer is "Network Attached Storage (NAS)".
Q79
Which of the following is an example of the input device in a computer?
✓ Correct answer: b) Touchscreen
ExplanationA touchscreen is an input device because it allows users to interact with the computer by touching the screen.Monitor: Output device, used to display visual information.Printer: Output device, used to produce hard copies of documents.Speaker: Output device, used to produce sound.Hence, the correct answer is "Touchscreen".
Q80
Which of the following buttons are present in the Quick Access Toolbar by default in MS- Word 2010?
✓ Correct answer: d) Save, Undo, Redo
ExplanationIn MS Word 2010, the Quick Access Toolbar is a customizable toolbar that provides easy access to frequently used commands.By default, it includes the following buttons: Save:This button allows you to save the current document.Undo:The Undo button lets you reverse the last action you performed, which is useful for correcting mistakes quickly.Redo:This button allows you to reverse the last Undo action.Hence, the correct answer is "Save, Undo, Redo".
Q81
In File Explorer of Windows 11, which of the following tabs includes the 'hidden items' option?
✓ Correct answer: c) View
ExplanationIn File Explorer of Windows 11, the View tab includes the 'Hidden items' option.The Home tab contains commonly used file management actions like Copy, Paste, Delete, Rename, and Move to.The File tab includes options for file management at a broader level, such as Open new window, Change folder and search options, Help, and Exit.The Share tab has options for sharing files and folders.You can use it to Share with specific people, Email, Zip files, or Copy link for shared access.Hence, the correct answer is "View".
Q82
______are rules that exist at several levels in a telecommunication connection.
✓ Correct answer: c) Protocol
ExplanationBandwidth: Refers to the maximum data transfer rate of a network connection.Network Surface Unit: This term is not commonly used in telecommunications.Protocol: Protocols are sets of rules and conventions that dictate how data is transmitted and received over a network.They exist at various layers of networking (such as the OSI model) and ensure that devices can communicate effectively.Domain Name: This refers to the human- readable address used to access websites on the internet (e.g., www.example.com).Hence, the correct answer is "Protocol".
Q83
Video Graphics Array connectors are those which connect the monitor to a computer's video card and has ______ holes.
✓ Correct answer: d) 15
ExplanationA Video Graphics Array (VGA) connector typically has 15 holes.They are arranged in three rows of five.This connector is used to connect the monitor to a computer's video card.It enables the transmission of video signals.Hence, the correct answer is "15".
Q84
What is a 'Trojan' in the context of network security?
✓ Correct answer: d) Malicious software disguised as legitimate software to gain unauthorised access.
ExplanationIn network security, a Trojan (or Trojan horse) is a type of malicious software.It disguises itself as a legitimate or harmless application.Once installed, it can enable unauthorized access to the system.Trojans may lead to data theft, spying, or the installation of additional malware.Hence, the correct answer is "Malicious software disguised as legitimate software to gain unauthorized access.".
Q85
__________is also known as protocol convertor.
✓ Correct answer: d) Gateway
ExplanationHub: A basic networking device that connects multiple devices in a network, allowing them to communicate.Bridge: A device that connects two or more network segments, allowing them to function as a single network.Switch A device that connects devices within a single network and uses MAC addresses to forward data to the correct destination.A gateway is also known as a protocol converter because it can translate between different communication protocols, allowing different networks to communicate with each other.Hence, the correct answer is "Gateway".
Q86
Which of the following is not a LibreOffice Software Suite program?
✓ Correct answer: b) LibreOffice Excel
ExplanationIn the LibreOffice suite, the spreadsheet program is called LibreOffice Calc, not Excel."Excel" is the spreadsheet program in Microsoft Office, not LibreOffice.The LibreOffice suite includes: LibreOffice Writer (word processor) LibreOffice Calc (spreadsheet application) LibreOffice Impress (presentation software) Hence, the correct answer is "LibreOffice Excel".
Q87
_____ Which of the following is also known as a flash drive?
✓ Correct answer: d) Pen drive
ExplanationA pen drive is commonly referred to as a flash drive.It is a portable storage device that uses flash memory to store data and connects to computers and other devices via USB ports.Flash drives are known for their compact size, durability, and ease of use for transferring and storing data.Disk Array is a storage system that uses multiple hard disks.HDD (Hard Disk Drive) is a traditional storage device that uses spinning disks to read/write data.SSD (Solid State Drive) also use flash memory, they are different from pen drives in terms of usage and form factor.Hence, the correct answer is "Pen drive".
Q88
Which of the following keyboard shortcut is used to close a MS-Word 365 document?
✓ Correct answer: c) Alt + F4
ExplanationThe keyboard shortcut Alt + F4 is used to close the active window or document in most Windows applications, including MS Word 365. Ctrl + F3: This shortcut is not used for closing documents; it is typically used for cutting the selected text in some applications.Alt + F3: This shortcut is not standard in MS Word; it may be associated with other functions depending on the application.Shift + F5: This shortcut is used to return to the last edit location in Word, not to close documents.Hence, the correct answer is " Alt + F4 ".
Q89
Which of the following is a web browser created and developed by Microsoft?
✓ Correct answer: c) Edge
ExplanationMicrosoft Edge is the web browser created and developed by Microsoft.It was first released in 2015 as a replacement for Internet Explorer.Opera was developed by Opera Software, Chrome was developed by Google, and Brave focused on privacy.Hence, the correct answer is "Edge".
Q90
Some cookies are automatically recreated after a user has deleted them. These are called as ________ cookies.
✓ Correct answer: b) zombie
ExplanationCookies that are recreated after a user deletes them are often referred to as "zombie cookies." These cookies can be stored in different locations, like Flash storage or other data storage mechanisms.This feature allows them to be restored even after being deleted from the browser.Hence, the correct answer is "zombie".
Q91
..............are a set of wires, which carries a group of bits in parallel and has an associated control scheme. It provides a communication path between two or more devices of a computer system.
✓ Correct answer: a) Buses
ExplanationBuses are a set of wires that carry groups of bits in parallel and include a control scheme for communication.They provide a pathway for data transfer between two or more devices within a computer system.The Control Unit is part of the CPU that directs operations within the processor and coordinates data flow.Registers are small, fast storage locations within the CPU used to hold temporary data and instructions.A cache is a small, high-speed storage area that temporarily holds frequently accessed data and instructions for quicker retrieval by the CPU.Hence, the correct answer is "Buses".
Q92
A _______ port transmits one bit of a byte at a time as a single stream of bits. It is meant for transmitting slow data over long distances.
✓ Correct answer: c) Serial
ExplanationA serial port transmits data one bit at a time in a single stream.This makes it suitable for long-distance communication.Serial communication is typically slower compared to parallel communication.These ports are often used in devices that require simple data transmission over longer distances, such as in modems, some types of sensors, and older computer hardware.Hence, the correct answer is "Serial".
Q93
What is a cell in Microsoft Excel?
✓ Correct answer: c) The intersection of a row and a column in a worksheet.
ExplanationIn Microsoft Excel, a cell is the smallest unit where data can be entered.It is formed at the intersection of a row and a column.Each cell has a unique address, such as A1 (where "A" represents the column and "1" represents the row).Hence, the correct answer is "The intersection of a row and a column in a worksheet.".
Q94
Each cell in the worksheet of MS-Excel 365 is identified by a cell ______.
✓ Correct answer: d) reference
ExplanationEach cell in an MS Excel worksheet is identified by a cell reference, which is a combination of the column letter and row number.Color refers to the background or text color of the cell.Size refers to the dimensions (height and width) of the cell.Rounding refers to formatting numbers in a cell by rounding them off.Hence, the correct answer is "reference".
Q95
Once _______ has infected a substantial number of computer systems, it generates revenue either by displaying advertisements or using "pay per click" mechanism to charge its clients against the number of clicks on their displayed ads.
✓ Correct answer: d) adware
ExplanationWorms: A type of malware that replicates itself to spread to other computers over a network.Virus: A type of malware that attaches itself to files or programs and spreads when those files are shared.Spyware: Software designed to secretly monitor user activity, collect data, and send it to third parties.Adware: Software that automatically displays or downloads advertisements to a computer.Hence, the correct answer is "adware".
Q96
What is a 'Firewall' in the context of network security?
✓ Correct answer: c) A security mechanism that filters and controls network traffic.
ExplanationA firewall is a network security tool.It can be either hardware or software.It is designed to monitor, filter, and control incoming and outgoing network traffic based on predetermined security rules.Its main purpose is to protect networks from unauthorized access and threats.Hence, the correct answer is "A security mechanism that filters and controls network traffic.".
Q97
A high speed memory is placed between the Central Processing Unit (CPU) and the primary memory known as ________memory.
✓ Correct answer: c) cache
ExplanationCache memory is a high-speed memory placed between the CPU and the primary memory (RAM).It temporarily stores frequently accessed data and instructions.It allows the CPU to retrieve those data and instructions more quickly than from the primary memory, which improves overall processing speed.Hence, the correct answer is "cache".
Q98
......................is the bit-rate of available or consumed information capacity expressed typically in metric multiples of bits per second.
✓ Correct answer: c) Speed
ExplanationIn networking and digital communications, speed typically refers to the bit-rate of available or consumed information capacity, expressed in bits per second (bps).This measurement indicates how much data can be transmitted over a network in a given time, usually in metric multiples like Kbps (kilobits per second), Mbps (megabits per second), or Gbps (gigabits per second).Hence, the correct answer is "Speed".
Q99
In MS Office 365 , the Page Setup dialog box can be found under which of the following tabs?
✓ Correct answer: c) Layout
ExplanationIn MS Office 365, the Page Setup dialog box, which includes options for adjusting page orientation, size, margins, and other layout settings, can be found under the Layout tab.The Home tab includes frequently used tools such as font formatting, paragraph alignment, styles, and clipboard options (like cut, copy, and paste).The Draw tab provides tools for drawing and inking.The Insert tab allows you to add various elements to the document, like tables, pictures, charts, hyperlinks, headers, and footers.Hence, the correct answer is "Layout".
Q100
Which among the following is incorrect about cache memory?
✓ Correct answer: a) It is slower than the main memory.
ExplanationCache memory is faster than main memory (RAM).It acts as a high-speed buffer between the CPU and the main memory.It holds temporary data that the CPU might need soon, allowing for faster access.Hence, the correct answer is "It is slower than the main memory.".
Q101
Which among the following keyboard shortcuts open the properties for the selected item on a Windows 10 home screen?
✓ Correct answer: c) Alt + Enter
ExplanationAlt + Enter - This keyboard shortcut opens the properties for the selected item in Windows10. Alt + Shift + Spacebar:This combination does not have a standard function in Windows10. Ctrl + Shift + Spacebar: It is not a standard shortcut in Windows for properties.Ctrl + Enter: This keyboard shortcut is typically used to insert a line break in certain applications, like in Microsoft Word or to send an email in some email clients.Hence, the correct answer is "Alt + Enter".
Q102
Which networking device operates at Layer 2 of the OSI model and forwards data based on MAC addresses?
✓ Correct answer: a) Switch
ExplanationA Switch operates at Layer 2 (the Data Link layer) of the OSI model.It forwards data based on MAC addresses.It uses MAC addresses to determine the destination of data packets within a local network.It is more efficient than a hub for directing network traffic.Hence, the correct answer is "Switch".
Q103
Which of the following is NOT an example of web browser?
✓ Correct answer: a) Facebook
ExplanationFacebook is a social media platform, not a web browser.Apple Safari is a web browser developed by Apple.Google Chrome is a popular web browser developed by Google.Opera is a web browser known for features like built-in VPN and ad blocker, available on multiple platforms.Hence, the correct answer is "Facebook".
Q104
Which of the following shortcut key is used to quickly create a new, blank workbook in MS- Excel 2010 ?
✓ Correct answer: a) Ctrl + N
ExplanationCtrl + N: This shortcut key is used to quickly create a new, blank workbook in MS Excel 2010. Alt + Shift + W: This keyboard shortcut does not have a standard function in MS Excel.Alt + Shift + N: This combination is also not recognized as a shortcut for creating a new workbook in MS Excel.Ctrl + W: This shortcut is used to close the currently open workbook, not to create a new one.Hence, the correct answer is "Ctrl + N".
Q105
Which of the following is an example of GUI- based user agent in email?
✓ Correct answer: d) Netscape
ExplanationNetscape is a GUI-based (Graphical User Interface) email client that provides a visual, user-friendly interface for managing emails.Elm: Elm is a text-based email client for Unix systems, popular in the 1980s and early 1990s.Mail, also known as "mailx" on Unix systems, is a simple text-based email client.Pine (Program for Internet News and Email) is another text-based email client developed at the University of Washington.Hence, the correct answer is "Netscape".
Q106
Which among the following generations of computer used the technology of transistors for the first time?
✓ Correct answer: b) Second
ExplanationThe second generation of computers used transistors for the first time.Transistors replaced vacuum tubes used in the first generation and made computers smaller, faster, more reliable, and more energy-efficient.Third Generation: Used integrated circuits (ICs), which further miniaturized and improved the speed and efficiency of computers.First Generation: Used vacuum tubes, which were large, consumed lots of power, and generated heat.Fourth Generation: Utilized microprocessors, combining thousands of ICs on a single chip, leading to personal computers (PCs).Hence, the correct answer is "Second".
Q107
Which among the following keyboard shortcuts is used to bookmark the current webpage on the web browser?
✓ Correct answer: d) Ctrl + D
ExplanationCtrl + N: This shortcut opens a new window in most web browsers.Ctrl + I: This shortcut typically opens the developer tools or the page information dialog in some browsers.Ctrl + B: In some browsers, this shortcut opens the bookmarks bar or the bookmarks manager.Ctrl + D: This keyboard shortcut is used to bookmark the current webpage on most web browsers.Hence, the correct answer is "Ctrl + D".
Q108
______is a type of malware that is often disguised as legitimate software.
✓ Correct answer: a) Trojan
ExplanationA Trojan is a malware, that looks like a legitimate software and once it tricks a user into installing it, it acts pretty much like a virus or worm.However, a Trojan does not self-replicate or infect other files, it spreads through user interaction such as opening an email attachment or downloading and executing a file from the Internet.Some Trojans create backdoors to give malicious users access to the system.Hence, the correct answer is "Trojan".
Q109
Which backup device provides a convenient way to create system images and complete backups, but may require a lengthy restoration process?
✓ Correct answer: a) Tape drive
ExplanationA tape drive is a backup device that provides a reliable way to create complete backups and system images, especially for large amounts of data.However, the process of restoring data from a tape drive can be lengthy because it uses sequential access.The device may need to read through large portions of the tape to locate specific files or data.Hence, the correct answer is "Tape drive".
Q110
The instruction that is not to be executed immediately is placed in the:
✓ Correct answer: d) Instruction Buffer Register (IBR)
ExplanationThe IBR is used to hold instructions temporarily when the CPU fetches an instruction from memory but is not yet ready to execute it.This register acts as a buffer to store instructions that are queued up for execution.The Current Instruction Register (CIR) holds the instruction currently being executed.The Memory Address Register (MAR) holds the memory address of the data being accessed.The Program Counter (PC) holds the address of the next instruction to be executed.Hence, the correct answer is "Instruction Buffer Register (IBR)".
Q111
Which among the following statements is incorrect about secondary memory?
✓ Correct answer: d) It is a volatile memory.
ExplanationSecondary memory is often referred to as backup memory.It s used to store data permanently.It retains data even when the computer is turned off.A computer can operate using only primary memory (RAM), although it may not have stored programs or data.It s non-volatile, meaning it does not lose its data when power is turned off.Hence, the correct answer is "It is a volatile memory.".
Q112
In web browser, which of the following is responsible for displaying the web pages?
✓ Correct answer: b) Rendering engine
ExplanationA server is a computer system that provides data to other computers (clients).It hosts websites and serves web pages but does not display them.The rendering engine is the part of the web browser that interprets HTML, CSS, and JavaScript to display the web pages visually.It takes the content from the server and formats it for presentation.A search engine is a tool that helps users find information on the internet by searching through indexed web pages, but it does not display it directly.Hence, the correct answer is "Rendering engine".
Q113
Which among the following is not a magnetic storage?
✓ Correct answer: c) Memory Card
ExplanationA memory card is a type of solid-state storage, not magnetic storage.Magnetic storage devices include items like Winchester disks (hard drives), floppy drives, and magnetic tapes, which use magnetic material to store data.Memory cards, on the other hand, use flash memory, which is a type of non- volatile solid-state storage.Hence, the correct answer is "Memory Card".
Q114
What is the function of the cache memory in a computer's memory hierarchy?
✓ Correct answer: b) To store frequently used data for faster access by the CPU.
ExplanationCache memory is a small, high-speed memory located close to the CPU.It temporarily stores frequently accessed data and also instructions so that the CPU can retrieve them quickly.It thus enhances processing speed.Hence, the correct answer is "To store frequently used data for faster access by the CPU.".
Q115
Which of the following option of print settings is used to choose only specific pages in MS- Word
✓ Correct answer: d) Custom Print
ExplanationIn MS Word 365, the "Custom Print" option in the print settings allows to choose specific pages to print."Print All Pages" prints the entire document."Print Selection" prints only the currently selected text or content in the document."Custom Prin" allows to specify particular pages or ranges of pages to print, which gives the flexibility to print only the pages which are required.Hence, the correct answer is "Custom Print".
Q116
When the sender and receiver of an email are on the same system, we need only ______ user agents.
✓ Correct answer: a) two
ExplanationWhen the sender and receiver of an email are on the same system, only two user agents are needed— one for the sender one for the receiver.These user agents handle the sending and receiving of the email within the same system, so no additional user agents are necessary.Hence, the correct answer is "two".
Q117
Which among the following devices is also known as Visual Display Unit (VDU)?
✓ Correct answer: d) Monitor
ExplanationA Visual Display Unit (VDU) refers to any device that displays visual information for users to view.A monitor is the primary output device that visually displays the user interface, images, videos, and other information generated by the computer.It is a crucial component for interacting with a computer system.The printer produces a physical copy of documents and images on paper.The scanner converts physical documents and images into digital format.Track Ball is an input device that allows users to control the cursor on the screen by rolling a ball.Hence, the correct answer is "Monitor".
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