Solved Computer Basic MCQs with answers and explanations. Free practice questions for PPSC, FPSC, CSS and other government job exams on FreeSekho.
1. What does 'plug and play' mean in the context of computer hardware?
- A device that can be connected and used immediately without complex manual configuration ✓
- A device that requires manual driver installation only
- A type of computer game
- A type of virus
2. What is the function of a motherboard?
- To store data permanently
- To connect and allow communication between all computer components ✓
- To display graphics
- To cool the CPU
3. Which port is commonly used to connect a monitor to a computer for high-definition video and audio?
- HDMI ✓
- USB
- PS/2
- Ethernet
4. What is 'IoT' generally used to describe?
- Everyday devices connected to the internet that can send and receive data ✓
- A type of computer virus
- A programming language
- A type of hard disk
5. What is 'processing' in the context of computer operations?
- The manipulation of data by the computer to produce useful output ✓
- The physical assembly of computer hardware
- The act of printing a document
- The act of connecting to the internet
6. Which of the following is an output device?
- Keyboard
- Mouse
- Monitor ✓
- Scanner
7. Which memory is non-volatile and retains data even when the power is off?
- RAM
- Cache memory
- ROM ✓
- Register
8. What does RAM stand for?
- Random Access Memory ✓
- Read Access Memory
- Random Active Memory
- Read Around Memory
9. Which of the following is an example of a database management system?
- MySQL ✓
- Microsoft Word
- Google Chrome
- Adobe Photoshop
10. What is the purpose of the 'spacebar' on a keyboard?
- To insert a blank space between characters ✓
- To delete text
- To save a file
- To open a new window
11. What is the file extension typically used for a Microsoft Excel spreadsheet (modern format)?
- .docx
- .xlsx ✓
- .pptx
- .pdf
12. What does 'Alt+Tab' typically do on a Windows computer?
- Switch between open applications/windows ✓
- Close the current application
- Open the Start menu
- Take a screenshot
13. Which unit is used to measure the speed of a CPU?
- Bytes
- Hertz (Hz) ✓
- Pixels
- Bits per second
14. What is the purpose of a graphical user interface (GUI)?
- To allow users to interact with a computer using visual elements like icons and windows ✓
- To store data permanently
- To connect to the internet
- To cool the CPU
15. What is 'cloud storage'?
- Storing data on remote servers accessed via the internet ✓
- Storing data only on a local hard disk
- A type of RAM
- A type of processor
16. Which of the following is NOT an operating system?
- Windows
- Linux
- macOS
- Microsoft Excel ✓
17. What is the 'Start menu' in Windows used for?
- To access programs, settings, and files ✓
- To shut down the internet connection
- To format the hard disk
- To print documents
18. What does 'Ctrl+Alt+Delete' commonly allow a user to access on Windows?
- Task Manager and other security/system options ✓
- The file explorer
- The web browser
- The control panel directly
19. What is an 'algorithm' in computing?
- A step-by-step set of instructions or rules designed to solve a problem or perform a task ✓
- A type of computer hardware
- A type of file extension
- A type of computer virus
20. What does 'OCR' stand for?
- Optical Character Recognition ✓
- Online Character Recording
- Optical Computer Reading
- Original Character Recognition
21. What does 'installing' software mean?
- Setting up a program on a computer so it can be used ✓
- Deleting a program from a computer
- Running a program that is already set up
- Compressing a program's files
22. What does SSD stand for?
- Solid State Drive ✓
- Static State Drive
- Solid Storage Device
- System Storage Drive
23. What does HTTPS indicate about a website connection?
- The connection is secure and encrypted ✓
- The website is free to use
- The website has no images
- The website is offline
24. What is a 'joystick' commonly used for?
- Controlling movement in video games or simulations ✓
- Typing text
- Printing documents
- Scanning images
25. What is 'malware'?
- Malicious software designed to harm or exploit computer systems ✓
- A type of antivirus software
- A type of hardware device
- A type of web browser
26. Which keys are typically located at the top of a standard keyboard and labeled F1 through F12?
- Function keys ✓
- Number keys
- Arrow keys
- Modifier keys
27. Which printer uses toner and a laser beam to produce high-quality printed output?
- Dot matrix printer
- Laser printer ✓
- Thermal printer
- Inkjet printer
28. What is 'debugging' in software development?
- The process of finding and fixing errors (bugs) in a program ✓
- The process of writing new code from scratch
- The process of deleting a program
- The process of compressing files
29. What is the small memory located inside or very close to the CPU that stores frequently used data called?
- Cache memory ✓
- Virtual memory
- Secondary memory
- Flash memory
30. What does 'DNS' stand for?
- Domain Name System ✓
- Data Network System
- Domain Network Server
- Digital Naming System
31. Which number system uses digits 0-9 and letters A-F?
- Binary
- Decimal
- Octal
- Hexadecimal ✓
32. Which Microsoft Office application is primarily used for word processing?
- Microsoft Word ✓
- Microsoft Excel
- Microsoft PowerPoint
- Microsoft Access
33. How many kilobytes (KB) are there in 1 megabyte (MB), using the common binary convention?
- 1000 KB
- 1024 KB ✓
- 100 KB
- 10 KB
34. Which Microsoft Office application is primarily used for managing email and calendars?
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook ✓
- Microsoft PowerPoint
35. Who is widely credited as a co-founder of Microsoft?
- Bill Gates ✓
- Steve Jobs
- Mark Zuckerberg
- Jeff Bezos
36. What does 'Ctrl+X' typically do?
- Cut selected content ✓
- Copy selected content
- Paste content
- Open a new file
37. What is a 'pixel'?
- The smallest individual point of color that makes up a digital image or display ✓
- A type of computer virus
- A unit of data storage
- A type of network cable
38. Which unit of data storage is the largest?
- Kilobyte
- Megabyte
- Gigabyte
- Terabyte ✓
39. What does 'Ctrl+C' typically do?
- Copy selected content ✓
- Cut selected content
- Paste content
- Close the file
40. In Microsoft Excel, which function is used to find the average of a range of numbers?
- AVERAGE ✓
- MEAN
- AVG
- TOTAL
41. A byte can represent how many different values (e.g., characters)?
- 128
- 256 ✓
- 512
- 1024
42. What is the file extension commonly used for an executable program file in Windows?
- .exe ✓
- .txt
- .jpg
- .mp3
43. What is the 'Num Lock' key used for?
- To toggle the numeric keypad between number entry and cursor movement functions ✓
- To lock the entire keyboard
- To capitalize letters
- To delete text
44. What does 'Ctrl+S' typically do?
- Save the current file ✓
- Print the current file
- Select all content
- Search within the document
45. Which type of memory is volatile (loses data when power is switched off)?
- ROM
- RAM ✓
- Hard disk
- Flash drive
46. Which unit of data storage is the smallest?
- Kilobyte
- Megabyte
- Gigabyte
- Byte ✓
47. What does 'data backup' mean?
- Creating a copy of data to protect against loss ✓
- Deleting unnecessary data
- Compressing data to save space
- Formatting a storage device
48. What is the purpose of OCR technology?
- To convert scanned images of text into editable and searchable digital text ✓
- To compress video files
- To connect to the internet
- To cool the CPU
49. What is a 'record' in the context of a database table?
- A single complete set of related data (a row) in a table ✓
- A single column in a table
- The entire database itself
- A type of software license
50. What does 'Save As' allow you to do that 'Save' does not?
- Save the file with a new name, location, or format ✓
- Automatically print the file
- Delete the original file
- Send the file via email
51. What does ROM stand for?
- Read Only Memory ✓
- Random Only Memory
- Read Optical Memory
- Rewritable Only Memory
52. What is the general purpose of SQL?
- To manage and query data stored in a relational database ✓
- To design website layouts
- To compress files
- To create presentations
53. Which key, when toggled on, makes all typed letters appear in uppercase without needing to hold Shift?
- Caps Lock ✓
- Num Lock
- Scroll Lock
- Tab
54. What is the primary purpose of a 'compiler' in programming?
- To translate high-level programming code into machine code that a computer can execute ✓
- To design graphical user interfaces
- To physically assemble computer hardware
- To connect to the internet
55. What is a 'digital signature' generally used for?
- To verify the authenticity and integrity of a digital document or message ✓
- To physically sign printed paper documents
- To compress files
- To increase internet speed
56. What is a 'cookie' in the context of web browsing?
- A small piece of data stored by a website on a user's computer to remember information ✓
- A type of computer virus
- A hardware component
- A type of file extension
57. What is 'refresh rate' in the context of a computer monitor, and what unit is it measured in?
- How many times per second the display updates its image, measured in Hertz (Hz) ✓
- The resolution of the display, measured in pixels
- The brightness of the display, measured in lumens
- The size of the display, measured in inches
58. What is a 'hyperlink'?
- A clickable link that takes the user to another webpage or resource ✓
- A type of computer virus
- A type of hardware port
- A type of file format
59. What is a 'firewall' used for?
- To monitor and control incoming and outgoing network traffic for security ✓
- To cool down the CPU
- To increase storage capacity
- To display graphics
60. Which of the following is an example of secondary storage?
- RAM
- Cache memory
- Register
- Hard disk ✓
61. What is 'open-source software'?
- Software whose source code is made publicly available for anyone to view, modify, and distribute ✓
- Software that can only be used by its original creator
- Software that is always free but closed-source
- A type of computer virus
62. Which set of keys is typically used to move the cursor up, down, left, or right on the screen?
- Arrow keys ✓
- Function keys
- Number keys
- Modifier keys
63. Which Microsoft Office application is primarily used for creating spreadsheets?
- Microsoft Word
- Microsoft Excel ✓
- Microsoft PowerPoint
- Microsoft Outlook
64. Which chip stores the BIOS on most motherboards?
- RAM chip
- ROM chip ✓
- Cache chip
- GPU chip
65. Which of the following is an example of a programming language?
- Python ✓
- Windows
- Google Chrome
- Microsoft Word
66. What does 'uninstalling' software mean?
- Removing a previously installed program from a computer ✓
- Installing a new program
- Updating an existing program
- Backing up a program's files
67. A byte is made up of how many bits?
- 4 bits
- 8 bits ✓
- 16 bits
- 2 bits
68. How many bytes are there in 1 kilobyte (KB), using the common binary convention?
- 1000 bytes
- 1024 bytes ✓
- 100 bytes
- 10240 bytes
69. What is the primary function of an operating system?
- To manage computer hardware and software resources ✓
- To browse the internet
- To create spreadsheets
- To print documents
70. What does LAN stand for?
- Local Area Network ✓
- Large Area Network
- Long Area Network
- Linked Area Network
71. What is 'compatibility' in the context of computer hardware or software?
- The ability of a device or program to work correctly with other systems or components ✓
- The physical size of a device
- The color of a device
- The price of a device
72. Which part of a laptop allows the user to control the cursor without an external mouse?
- Touchpad ✓
- Keyboard
- Webcam
- Speaker
73. What does 'recycle bin' (or 'trash') in an operating system do?
- Temporarily stores deleted files before permanent removal ✓
- Permanently deletes files instantly
- Stores backup copies of the operating system
- Compresses files to save space
74. What does 'Ctrl+A' typically do?
- Select all content in the document ✓
- Save the file
- Print the file
- Open a new file
75. What is a 'client' in the client-server model of networking?
- A computer or device that requests services or resources from a server ✓
- The main server itself
- A type of computer virus
- A type of printer
76. In Microsoft PowerPoint, what feature is used to control how a slide transitions to the next one?
- Slide Transition ✓
- Slide Master
- Slide Layout
- Slide Notes
77. What is 'phishing'?
- A fraudulent attempt to obtain sensitive information by pretending to be a trustworthy source ✓
- A type of antivirus software
- A method of speeding up a computer
- A type of file compression
78. Which key on the keyboard is used to move the cursor to a new line or confirm an entry?
- Enter ✓
- Shift
- Tab
- Caps Lock
79. What is the file extension commonly used for compressed/archived files?
- .zip ✓
- .doc
- .exe
- .mp3
80. What is a 'tablet' computer generally characterized by?
- A portable, flat touchscreen device without a physical, attached keyboard ✓
- A large stationary desktop computer
- A type of printer
- A type of hard disk
81. Which operating system is widely used on smartphones and is developed by Google?
- iOS
- Android ✓
- Windows
- macOS
82. Which key is commonly used to cancel or exit an operation or dialog box?
- Escape (Esc) ✓
- Enter
- Tab
- Shift
83. What is 'formatting' a storage device?
- Preparing it to store data by setting up a file system, which erases existing data ✓
- Compressing files on the device
- Connecting the device to the internet
- Printing files from the device
84. What does 'IoT' stand for?
- Internet of Things ✓
- Internet of Technology
- Input Output Technology
- Internal Operating Technology
85. In Microsoft Excel, what is a single box in a spreadsheet, formed by the intersection of a row and a column, called?
- Cell ✓
- Sheet
- Tab
- Field
86. What is 'information' in the context of computing, as distinct from raw data?
- Processed data that has been organized to be meaningful and useful ✓
- Unprocessed raw facts
- A type of hardware component
- A type of computer virus
87. What is the standard layout of most English computer keyboards called, based on the first six letters of the top row?
- QWERTY ✓
- AZERTY
- ABCDEF
- DVORAK
88. What does pressing the 'Print Screen' (PrtSc) key typically do?
- Captures an image of the current screen ✓
- Prints the current document
- Saves the current file
- Opens a new browser tab
89. What is a web browser?
- A software application used to access and view websites ✓
- A hardware device for connecting to the internet
- A type of computer virus
- A programming language
90. What is an ISP?
- Internet Service Provider ✓
- Internal System Program
- Internet System Protocol
- Internal Service Provider
91. What is the main purpose of a VPN?
- To create a secure, encrypted connection over a public network ✓
- To increase internet speed only
- To print documents remotely
- To store files in the cloud
92. What are the basic operations typically performed by a computer, in general terms?
- Input, Processing, Output, and Storage ✓
- Only Input and Output
- Only Processing
- Only Storage
93. Which of these is a commonly used web browser?
- Mozilla Firefox ✓
- Notepad
- Paint
- Calculator
94. What does 'PC' commonly stand for?
- Personal Computer ✓
- Program Control
- Processing Center
- Public Computer
95. What does IP address stand for?
- Internet Protocol address ✓
- Internal Program address
- Internet Provider address
- Individual Program address
96. In Microsoft Excel, what symbol must you type first to begin writing a formula in a cell?
- = (equal sign) ✓
- + (plus sign)
- # (hash sign)
- @ (at sign)
97. Which device is used to permanently store large amounts of data in a computer?
- RAM
- Hard disk ✓
- Cache
- Register
98. Which type of printer forms characters by striking an inked ribbon against paper?
- Inkjet printer
- Laser printer
- Dot matrix printer ✓
- 3D printer
99. What is the file extension typically used for a Microsoft PowerPoint presentation (modern format)?
- .docx
- .xlsx
- .pptx ✓
- .txt
100. Which of the following is considered a peripheral device?
- Printer ✓
- CPU
- Motherboard
- RAM
101. What is virtual memory?
- A portion of a hard disk used as an extension of RAM when physical memory is full ✓
- A type of cloud storage
- A backup copy of the operating system
- A type of cache memory only
102. What is the base (radix) of the binary number system?
- 2 ✓
- 8
- 10
- 16
103. What is 'multitasking' in the context of computer operating systems?
- The ability to run multiple programs or tasks simultaneously ✓
- Running only one program at a time
- A type of computer virus
- A type of hardware upgrade
104. What does 'Ctrl+U' typically do to selected text?
- Underline the text ✓
- Make the text bold
- Make the text italic
- Delete the text
105. Which operating system is developed by Apple for its desktop and laptop computers?
- Windows
- macOS ✓
- Android
- Linux
106. Which number system is the standard system humans use in everyday counting, based on 10 digits (0-9)?
- Binary
- Decimal ✓
- Octal
- Hexadecimal
107. What is a 'strong password' generally characterized by?
- A mix of uppercase, lowercase letters, numbers, and symbols that is hard to guess ✓
- Only using your name
- Using the same password everywhere
- Using only numbers
108. What does HTTP stand for?
- HyperText Transfer Protocol ✓
- HighText Transfer Protocol
- HyperText Transmission Process
- HyperText Technical Protocol
109. What is a 'template' in word processing or presentation software?
- A pre-formatted document used as a starting point for creating new documents ✓
- A type of computer virus
- A hardware component
- A type of file compression
110. What is a 'software update' or 'patch' generally intended to do?
- Fix bugs, improve security, or add new features to existing software ✓
- Permanently delete the software
- Slow down the computer intentionally
- Remove all user data
111. What does 'FTP' stand for?
- File Transfer Protocol ✓
- Fast Transfer Protocol
- File Transmission Program
- Fast Transmission Protocol
112. In Microsoft Excel, which function is used to add up a range of numbers?
- SUM ✓
- TOTAL
- ADD
- PLUS
113. What is system software?
- Software that manages computer hardware and provides a platform for application software ✓
- A game installed on the computer
- A word processing program
- A type of hardware
114. Which type of network typically covers a small geographic area, such as a single building or office?
- WAN
- LAN ✓
- MAN
- PAN (in the wide-area sense)
115. What is a common health recommendation regarding screen time and posture when using a computer for long periods?
- Take regular breaks and maintain proper posture to reduce eye strain and discomfort ✓
- Sit as close to the screen as possible
- Avoid blinking to save time
- Use the smallest font size possible
116. What does 'resolution' refer to in the context of a computer screen or image?
- The number of pixels displayed, which determines image clarity and detail ✓
- The physical size of the screen
- The brightness of the screen
- The color of the screen bezel
117. What is a 'computer virus'?
- A malicious program that can replicate itself and spread to other files or computers ✓
- A type of hardware upgrade
- A helpful system utility
- A type of internet connection
118. Which number system uses only the digits 0 and 1?
- Binary ✓
- Decimal
- Octal
- Hexadecimal
119. What is a 'microphone' used for on a computer?
- To capture audio input, such as voice ✓
- To play audio output
- To display images
- To store files
120. What is the function of DNS?
- To translate domain names into IP addresses ✓
- To store website content
- To create web pages
- To send emails
121. What does 'peripheral device' refer to?
- An external device connected to a computer to add functionality, such as a printer or scanner ✓
- The main processor of the computer
- The operating system
- The internal memory chip
122. What is the file extension typically used for a Microsoft Word document (modern format)?
- .docx ✓
- .xlsx
- .pptx
- .txt
123. What is the correct order of storage units from smallest to largest?
- Byte, Kilobyte, Megabyte, Gigabyte ✓
- Kilobyte, Byte, Gigabyte, Megabyte
- Gigabyte, Megabyte, Kilobyte, Byte
- Megabyte, Gigabyte, Byte, Kilobyte
124. What is a 'server' in computer networking?
- A computer or system that provides resources, data, or services to other computers ✓
- A device used only for printing
- A type of computer virus
- A type of keyboard
125. Which part of the computer is known as the 'brain' of the computer?
- Monitor
- CPU ✓
- Keyboard
- Hard disk
126. What is the process of starting or restarting a computer called?
- Booting ✓
- Formatting
- Compiling
- Debugging
127. What is a motherboard's chipset responsible for?
- Managing communication between the CPU, memory, and peripherals ✓
- Displaying video output only
- Storing user files
- Cooling the system
128. Which device converts digital signals into analog signals and vice versa for internet connectivity over telephone lines?
- Modem ✓
- Router
- Switch
- Hub
129. What is 'artificial intelligence' (AI) in the context of computing?
- The simulation of human intelligence processes by computer systems ✓
- A type of hardware component
- A type of file format
- A type of network cable
130. What does 'GHz' commonly refer to when describing a processor?
- Gigahertz, a measure of processor clock speed ✓
- Gigabytes of storage
- Graphics processing speed
- Gigabits of RAM
131. What is the purpose of an 'uninterruptible power supply' (UPS)?
- To provide backup power to a computer during a power outage ✓
- To increase internet speed
- To cool the CPU
- To store data permanently
132. In Microsoft PowerPoint, what is a single page of a presentation called?
- Slide ✓
- Sheet
- Page
- Frame
133. What does 'SQL' stand for?
- Structured Query Language ✓
- System Query Language
- Standard Question Language
- Structured Question Logic
134. What is a command-line interface (CLI)?
- A text-based interface where users type commands to interact with the computer ✓
- A graphical desktop environment
- A type of printer
- A type of monitor
135. What does 'ergonomics' refer to in the context of computer workstations?
- Designing equipment and workspace for comfort and to reduce strain on the user ✓
- The speed of the computer's processor
- The color scheme of the software
- The brand of the computer
136. What is the purpose of an IP address?
- To uniquely identify a device on a network ✓
- To display graphics on screen
- To store files permanently
- To print documents
137. In Microsoft Word, what is the term for the blinking vertical line that shows where text will be entered?
- Cursor ✓
- Pointer
- Marker
- Highlighter
138. What is the 'taskbar' in Windows typically used for?
- To display the Start menu, open applications, and system notifications ✓
- To store files permanently
- To browse the internet
- To scan documents
139. What is the purpose of a 'Task Manager' in Windows?
- To monitor and manage running programs and processes ✓
- To create new documents
- To browse the internet
- To format the hard disk
140. Which file extension is commonly used for audio files?
- .mp3 ✓
- .jpg
- .exe
- .zip
141. In Microsoft Word, what does the 'Mail Merge' feature allow you to do?
- Create personalized documents (like letters) for multiple recipients using a data source ✓
- Merge two PDF files
- Send emails automatically without a data source
- Combine multiple images into one
142. What is the function of an ISP?
- To provide users with access to the internet ✓
- To manufacture computer hardware
- To design websites
- To create operating systems
143. What is 'social media'?
- Websites and applications that enable users to create and share content and network socially ✓
- A type of computer virus
- A type of hardware device
- A type of programming language
144. In Microsoft Excel, what do you call a group of related worksheets saved together?
- Workbook ✓
- Worksheet
- Cell range
- Table
145. Which device is used to connect multiple computers within a network and direct data to its correct destination?
- Modem
- Router ✓
- Scanner
- Printer
146. Which number system uses digits from 0 to 7?
- Binary
- Decimal
- Octal ✓
- Hexadecimal
147. What is 'AutoSave' or 'AutoRecover' designed to do?
- Automatically save copies of a document periodically to prevent data loss ✓
- Automatically print documents
- Automatically send emails
- Automatically delete old files
148. In a word processor, what does 'Copy' do to selected text?
- Duplicates the text onto the clipboard while keeping the original in place ✓
- Removes the text entirely
- Deletes the text permanently
- Changes the font of the text
149. What symbol is used to separate the username and domain name in an email address?
- @ (at symbol) ✓
- # (hash symbol)
- & (ampersand)
- % (percent)
150. What does 'touchscreen' technology allow a user to do?
- Interact directly with the display by touching it, without needing a separate mouse ✓
- Only view content without any interaction
- Print documents directly from the screen
- Scan documents directly from the screen
151. What is 'Control Panel' (or Settings) in Windows used for?
- To configure system settings such as hardware, software, and user accounts ✓
- To create documents
- To browse the internet
- To send emails
152. What is a 'speaker' on a computer used for?
- To produce audio output ✓
- To capture audio input
- To display video
- To connect to the internet
153. What does 'Ctrl+O' typically do?
- Open an existing file ✓
- Save the current file
- Print the current file
- Close the current file
154. Which key deletes the character to the left of the cursor?
- Backspace ✓
- Delete
- Escape
- Tab
155. How many megabytes (MB) are there in 1 gigabyte (GB), using the common binary convention?
- 1000 MB
- 1024 MB ✓
- 512 MB
- 2048 MB
156. Which of the following best describes 'firmware'?
- Software permanently programmed into a hardware device ✓
- A type of virus
- An external storage device
- A web browser
157. What is the function of the operating system's "file explorer" (or "file manager")?
- To browse, organize, and manage files and folders on a computer ✓
- To browse the internet
- To edit photos
- To send emails
158. Which of the following is an input device?
- Monitor
- Printer
- Keyboard ✓
- Speaker
159. What does WAN stand for?
- Wide Area Network ✓
- World Area Network
- Wireless Area Network
- Web Area Network
160. What does 'defragmentation' of a hard disk do?
- Reorganizes fragmented data to improve access speed ✓
- Deletes all files on the disk
- Compresses all files on the disk
- Formats the disk
161. What is commonly the function of the F1 key in many Windows applications?
- Open the Help menu ✓
- Save the file
- Print the document
- Close the application
162. What is the purpose of a 'user manual' or 'help guide' for software?
- To provide instructions on how to use the software ✓
- To physically repair the computer
- To increase internet speed
- To format the hard disk
163. Which of the following is an example of an operating system?
- Microsoft Word
- Windows ✓
- Google Chrome
- Adobe Photoshop
164. What does WWW stand for?
- World Wide Web ✓
- World Wide Wire
- Web Wide World
- World Web Wire
165. What does 'Ctrl+N' typically do?
- Open a new document or window ✓
- Save the file with a new name
- Close the document
- Print the document
166. What is the difference between a laptop and a desktop computer?
- A laptop is portable and integrates its components, while a desktop is stationary with separate components ✓
- A laptop cannot connect to the internet
- A desktop has no monitor
- There is no difference
167. What does 'DBMS' stand for?
- Database Management System ✓
- Data Backup Management System
- Digital Base Management Software
- Data Business Management Software
168. What is a 'shortcut' (icon) on a desktop generally used for?
- To provide quick access to a file, folder, or program without moving the original ✓
- To permanently store data
- To increase computer speed
- To connect to the internet
169. What does 'email' stand for?
- Electronic mail ✓
- Express mail
- Enclosed mail
- Extra mail
170. Why do computers fundamentally use the binary number system?
- Because digital circuits operate using two states, such as on/off or high/low voltage ✓
- Because binary numbers are easier for humans to read
- Because binary uses fewer digits than decimal for the same value
- Because early computers were made by mathematicians who preferred it
171. What is a 'computer network'?
- A group of interconnected computers that can share data and resources ✓
- A single standalone computer
- A type of computer virus
- A type of storage device
172. Which of the following is an example of a web browser?
- Microsoft Word
- Google Chrome ✓
- Windows Media Player
- Adobe Photoshop
173. What is a 'field' in the context of a database table?
- A single column representing a specific category of data ✓
- A single row of data
- The entire database itself
- A type of query language
174. Why is it generally recommended to regularly back up important computer data?
- To prevent permanent data loss in case of hardware failure or accidental deletion ✓
- To make the computer run faster
- To reduce electricity consumption
- To increase screen resolution
175. Which key deletes the character to the right of the cursor?
- Delete ✓
- Backspace
- Escape
- Tab
176. What is the purpose of antivirus software?
- To detect, prevent, and remove malicious software ✓
- To speed up internet browsing
- To create documents
- To manage email accounts
177. What does 'Ctrl+Z' typically do in most applications?
- Undo the last action ✓
- Redo the last action
- Save the file
- Print the file
178. Which device is used to input handwritten or printed text into a computer by scanning?
- Scanner ✓
- Printer
- Plotter
- Projector
179. What is the function of a webcam?
- To capture live video, often for video calls ✓
- To print documents
- To scan physical documents
- To store data
180. What is 'e-governance'?
- The use of information technology to provide government services and information to citizens ✓
- A type of computer virus
- A type of hardware device
- A type of programming language
181. What is the purpose of FTP?
- To transfer files between computers over a network ✓
- To browse websites
- To send emails
- To print documents
182. What is the purpose of the 'Redo' command found in most applications?
- To reapply an action that was undone ✓
- To delete the current file
- To open a new file
- To rename a file
183. What is 'streaming' in the context of internet media?
- Playing audio or video content in real-time without downloading the entire file first ✓
- Downloading a file completely before playing it
- Deleting media files
- Compressing media files
184. What is a 'programming language' used for?
- To write instructions that a computer can execute to perform tasks ✓
- To physically repair computer hardware
- To increase internet speed
- To cool the CPU
185. What does URL stand for?
- Uniform Resource Locator ✓
- Universal Resource Link
- Uniform Reference Link
- Universal Reference Locator
186. Which of the following is an example of application software?
- Windows 11
- Linux
- Microsoft Excel ✓
- Ubuntu
187. What does 'Ctrl+V' typically do?
- Paste copied or cut content ✓
- Copy selected content
- Save the file
- Close the file
188. What does 'Bluetooth' technology allow?
- Short-range wireless data exchange between devices ✓
- Long-distance satellite communication
- Wired data transfer only
- Data storage on a hard disk
189. How many gigabytes (GB) are there in 1 terabyte (TB), using the common binary convention?
- 1000 GB
- 1024 GB ✓
- 512 GB
- 2048 GB
190. What is 'data' in the context of computing?
- Raw facts and figures that can be processed by a computer ✓
- A finished, processed report
- A type of hardware
- A type of software license
191. What does 'Ctrl+P' typically do?
- Open the print dialog box ✓
- Save the file
- Paste content
- Open a new file
192. What is the function of a printer?
- To display output on screen
- To produce a hard copy of output ✓
- To store data
- To input data
193. What does 'downloading' mean?
- Transferring data from the internet or a server to your computer ✓
- Transferring data from your computer to the internet
- Deleting files from your computer
- Formatting a storage device
194. What is the purpose of a 'user account' on a computer?
- To allow individual access with personalized settings, files, and permissions ✓
- To physically power on the computer
- To connect hardware components
- To cool the CPU
195. Which of these is a volatile form of memory used to temporarily hold data and instructions the CPU is currently using?
- Hard disk
- RAM ✓
- ROM
- CD-ROM
196. What is the full form of GPU?
- Graphics Processing Unit ✓
- General Processing Unit
- Graphic Program Unit
- Global Processing Unit
197. What is the main circuit board of a computer called?
- Motherboard ✓
- Daughterboard
- Circuit card
- Backboard
198. What does 'Ctrl+B' typically do to selected text?
- Make the text bold ✓
- Make the text italic
- Underline the text
- Change the text color
199. Which file extension is commonly used for image files?
- .jpg ✓
- .exe
- .zip
- .bat
200. What does 'BIOS' stand for?
- Basic Input Output System ✓
- Binary Input Output System
- Basic Internal Operating System
- Basic Input Operating Software
201. What is the term for a collection of related data organized and stored together, such as a document or image, on a computer?
- Folder
- File ✓
- Directory
- Icon
202. What is a device driver?
- Software that allows the operating system to communicate with hardware devices ✓
- A person who drives to deliver hardware
- A type of storage device
- A type of virus
203. In a word processor, what does 'Cut' do to selected text?
- Removes the text and places it on the clipboard ✓
- Copies the text without removing it
- Deletes the text permanently
- Highlights the text in a different color
204. Which component of a computer generates heat and typically requires a fan or heat sink for cooling?
- Monitor
- CPU ✓
- Keyboard
- Mouse
205. What does 'Ctrl+F' typically do?
- Open a search (Find) function within a document ✓
- Format the text
- Save the file
- Close the application
206. What is an 'administrator account' on a computer typically able to do that a standard account cannot?
- Install software and change system-wide settings ✓
- Only browse the internet
- Only create documents
- Only send emails
207. In Microsoft PowerPoint, which view allows you to see all slides as small thumbnails at once?
- Slide Sorter view ✓
- Normal view
- Reading view
- Outline view
208. What does 'Wi-Fi' commonly refer to?
- A technology for wireless local area networking ✓
- A type of computer virus
- A wired network cable
- A type of hard disk
209. What is a 'domain name' (e.g., google.com)?
- A human-readable address used to identify a website on the internet ✓
- A type of computer hardware
- A type of virus
- A file extension
210. What does 'FAQ' stand for?
- Frequently Asked Questions ✓
- Fast Access Query
- Frequently Answered Queries
- File Access Query
211. Which key is used to type capital letters temporarily by holding it down with another key?
- Shift ✓
- Tab
- Ctrl
- Alt
212. What is the general purpose of ASCII code?
- To represent text characters as numeric codes that computers can process ✓
- To compress image files
- To connect to the internet
- To cool computer hardware
213. What is a 'database'?
- An organized collection of structured data stored electronically ✓
- A type of computer virus
- A type of hardware component
- A type of web browser
214. What does 'PDF' stand for?
- Portable Document Format ✓
- Personal Document File
- Printed Document Format
- Public Document File
215. Who is widely credited as a co-founder of Apple Inc.?
- Steve Jobs ✓
- Bill Gates
- Larry Page
- Elon Musk
216. Which component performs arithmetic and logical operations in a computer?
- ALU (Arithmetic Logic Unit) ✓
- Control Unit
- RAM
- Hard disk
217. Which operating system is open-source and freely available for anyone to use and modify?
- Windows
- macOS
- Linux ✓
- iOS
218. What is the base (radix) of the hexadecimal number system?
- 2
- 8
- 10
- 16 ✓
219. What is the term for a small program that adds specific features to an existing program?
- Plugin ✓
- Driver
- Compiler
- Firmware
220. What does 'ASCII' stand for?
- American Standard Code for Information Interchange ✓
- Advanced System Code for Information Interchange
- American System Code for Internal Interchange
- Automated Standard Code for Information Interchange
221. How many bits make up a nibble?
- 2
- 4 ✓
- 8
- 16
222. In Microsoft Word, which feature checks a document for spelling and grammar errors?
- Spell check / Grammar check ✓
- AutoSave
- Mail Merge
- Track Changes
223. What is the 'clipboard' in the context of computer applications?
- A temporary storage area for data that has been cut or copied ✓
- A physical hardware device
- A type of printer
- A type of file extension
224. Which unit of the CPU directs and coordinates the operations of the computer?
- ALU
- Control Unit ✓
- Cache
- Register
225. What does 'Ctrl+I' typically do to selected text?
- Make the text italic ✓
- Make the text bold
- Underline the text
- Center the text
226. Which device converts alternating current (AC) to direct current (DC) to power computer components?
- SMPS (Power Supply Unit) ✓
- Motherboard
- CPU
- RAM
227. What does 'VPN' stand for?
- Virtual Private Network ✓
- Virtual Public Network
- Verified Private Network
- Virtual Personal Network
228. What is 'e-commerce'?
- The buying and selling of goods and services over the internet ✓
- A type of computer hardware
- A type of operating system
- A type of computer virus
229. What does 'DPI' stand for in the context of printers and scanners?
- Dots Per Inch ✓
- Data Per Instruction
- Digital Print Index
- Device Processing Interval
230. What is a folder (or directory) used for in a computer's file system?
- To organize and store multiple files together ✓
- To process data
- To connect to a network
- To display graphics
231. What is the base (radix) of the decimal number system?
- 2
- 8
- 10 ✓
- 16
232. Which device is primarily responsible for rendering images, video, and animations on the screen?
- CPU
- GPU ✓
- RAM
- Hard disk
233. Which storage device is generally faster than a traditional hard disk drive (HDD)?
- SSD ✓
- Floppy disk
- CD-ROM
- Magnetic tape
234. What does USB stand for?
- Universal Serial Bus ✓
- United Serial Bus
- Universal System Bus
- Unified Serial Bus
235. What is 'bandwidth' in networking?
- The maximum rate of data transfer across a network connection ✓
- The physical width of a network cable
- The number of computers on a network
- The color of network cables
236. Which of the following is an example of a search engine?
- Google ✓
- Microsoft Word
- Adobe Reader
- VLC Media Player
237. What is the smallest unit of data in a computer?
- Byte
- Bit ✓
- Nibble
- Word
238. What is the file extension for a plain text file?
- .txt ✓
- .exe
- .zip
- .jpg
239. What does 'Ctrl+Y' (or Ctrl+Shift+Z in some apps) typically do?
- Redo the last undone action ✓
- Undo the last action
- Copy selected text
- Paste text
240. What is a 'search engine'?
- A tool that helps users find information on the internet ✓
- A type of computer hardware
- A programming language
- A type of email service
241. What does 'uploading' mean?
- Transferring data from your computer to the internet or a server ✓
- Transferring data from the internet to your computer
- Deleting files from a server
- Compressing files
242. What does CPU stand for?
- Central Processing Unit ✓
- Central Program Unit
- Computer Processing Unit
- Central Processor Utility
243. What is the purpose of the 'Undo' command found in most applications?
- To reverse the last action performed ✓
- To save the current file
- To close the application
- To print the document
244. What is application software?
- Software designed to perform specific tasks for the user ✓
- The operating system itself
- A hardware component
- A type of computer virus
245. What is 'voice recognition' software generally used for?
- To convert spoken words into text or commands that a computer can process ✓
- To increase the volume of speakers
- To compress audio files
- To connect to the internet
246. Which Microsoft Office application is primarily used for creating slide presentations?
- Microsoft Word
- Microsoft Excel
- Microsoft PowerPoint ✓
- Microsoft Access
247. What is the 'desktop' in the context of an operating system's graphical interface?
- The main screen area displayed after logging in, containing icons and a taskbar ✓
- A type of physical computer table
- A type of storage device
- A type of printer
248. Which key is commonly used to move the cursor a fixed number of spaces or between fields in a form?
- Tab ✓
- Shift
- Enter
- Backspace
249. Which device is used to point, click, and select items on the screen?
- Keyboard
- Mouse ✓
- Printer
- Scanner
250. What does 'WYSIWYG' stand for in word processing software?
- What You See Is What You Get ✓
- What You Save Is What You Get
- What You Search Is What You Gain
- What You Show Is What You Give