Here are 100 most repeated Computer MCQs for SPSC, STS, IBA, Sindh University, and other competitive exams — all in simple English, useful for test preparation. --- ✅ 100 Repeated Computer MCQs for SPSC / STS / IBA 1–20: Basics of Computer 1. The brain of the computer is called? 👉 CPU 2. What does CPU stand for? 👉 Central Processing Unit 3. Which part stores data permanently? 👉 Hard Disk 4. RAM stands for? 👉 Random Access Memory 5. ROM stands for? 👉 Read Only Memory 6. What is the full form of USB? 👉 Universal Serial Bus 7. What is the full form of WWW? 👉 World Wide Web 8. Which key is used to delete characters to the left? 👉 Backspace 9. Which part of the computer displays output? 👉 Monitor 10. Which device is used to print? 👉 Printer 11. Operating system is? 👉 System software 12. Windows is an example of? 👉 Operating System 13. Which device is used to input data? 👉 Keyboard 14. Which key is used to enter data? 👉 Enter key 15. Which device is used to control pointer? 👉 Mouse 16. The smallest unit of data in a computer? 👉 Bit 17. 1 byte = ? 👉 8 bits 18. Shortcut for copy? 👉 Ctrl + C 19. Shortcut for paste? 👉 Ctrl + V 20. Shortcut for cut? 👉 Ctrl + X --- 21–40: Software & File Types 21. MS Word is a? 👉 Word Processor 22. MS Excel is used for? 👉 Spreadsheet 23. MS PowerPoint is used for? 👉 Presentation 24. The extension of MS Word file? 👉 .docx 25. The extension of Excel file? 👉 .xlsx 26. The extension of PowerPoint file? 👉 .pptx 27. PDF stands for? 👉 Portable Document Format 28. Which software is used to browse the internet? 👉 Web Browser 29. Google Chrome is a? 👉 Browser 30. Mozilla Firefox is a? 👉 Browser 31. Software that controls hardware? 👉 Operating System 32. What is file extension for pictures? 👉 .jpg or .png 33. The term “bit” stands for? 👉 Binary digit 34. Antivirus is a type of? 👉 Utility Software 35. Excel rows are labeled as? 👉 Numbers (1, 2, 3...) 36. Excel columns are labeled as? 👉 Letters (A, B, C...) 37. Internet was first called? 👉 ARPANET 38. Which company developed Windows OS? 👉 Microsoft 39. What is used to connect to the internet? 👉 Modem 40. To save a file in MS Word, shortcut is? 👉 Ctrl + S --- 41–60: Internet & Email 41. Full form of ISP? 👉 Internet Service Provider 42. Example of an email address? 👉 [email protected] 43. What does URL stand for? 👉 Uniform Resource Locator 44. Gmail is a service of which company? 👉 Google 45. The part of email after “@” is called? 👉 Domain 46. FTP stands for? 👉 File Transfer Protocol 47. HTTP stands for? 👉 Hyper Text Transfer Protocol 48. HTML stands for? 👉 Hyper Text Markup Language 49. Which language is used for website designing? 👉 HTML 50. The first page of website is called? 👉 Homepage 51. Cloud computing means? 👉 Online data storage 52. Which website is used for video sharing? 👉 YouTube 53. What is the best search engine? 👉 Google 54. Social networking site? 👉 Facebook 55. Ctrl + P is used for? 👉 Print 56. What is spam? 👉 Unwanted email 57. What is captcha used for? 👉 Human verification 58. Which software is used for video meetings? 👉 Zoom 59. Ctrl + Z is used for? 👉 Undo 60. Ctrl + Y is used for? 👉 Redo --- 61–80: Networking 61. LAN stands for? 👉 Local Area Network 62. WAN stands for? 👉 Wide Area Network 63. Wi-Fi stands for? 👉 Wireless Fidelity 64. Bluetooth is used for? 👉 Short-range wireless communication 65. IP address is used to? 👉 Identify devices on network 66. What is a router? 👉 Connects networks 67. What is bandwidth? 👉 Data transfer rate 68. Network cables are called? 👉 Ethernet cables 69. Network without wires is called? 👉 Wireless network 70. Intranet is? 👉 Private network 71. VPN stands for? 👉 Virtual Private Network 72. Email is an example of? 👉 Communication tool 73. Which device provides internet via mobile data? 👉 Hotspot 74. Network made in school is called? 👉 LAN 75. 4G is used for? 👉 Mobile internet 76. Google Drive is a? 👉 Cloud storage service 77. Example of cloud service? 👉 Dropbox 78. SMS stands for? 👉 Short Message Service 79. Video calling app? 👉 Skype 80. WhatsApp is owned by? 👉 Meta (Facebook) --- 81–100: Hardware + Misc 81. Input devices: 👉 Mouse, Keyboard, Scanner 82. Output devices: 👉 Monitor, Printer, Speakers 83. Storage devices: 👉 USB, Hard disk, SSD 84. Ctrl + A is used for? 👉 Select All 85. Which key refreshes the page? 👉 F5 86. Which key opens start menu? 👉 Windows key 87. The operating system used in mobiles? 👉 Android / iOS 88. Laptop is a type of? 👉 Portable computer 89. What is GUI? 👉 Graphical User Interface 90. BIOS stands for? 👉 Basic Input Output System 91. First computer virus? 👉 Creeper 92. First programmer? 👉 Ada Lovelace 93. Excel formula starts with? 👉 = 94. To search in browser use shortcut? 👉 Ctrl + F 95. Zoom In shortcut in browser? 👉 Ctrl + + 96. Default font in MS Word? 👉 Calibri 97. What is backup? 👉 Copy of data 98. Shortcut to open a new tab in browser? 👉 Ctrl + T 99. Shortcut to close a window? 👉 Alt + F4 100. Shortcut to shut down PC? 👉 Alt + F4 -