Sunday, March 30, 2025

Computer science mcqs with answers-pkmcqs

Computer Science MCQs with answers on PKMCQs and MCQs forum. Useful for FPSC, NTS, PPSC, ETEA, EST, PST, CT, DM, PET, AT, TT, and past paper MCQs.

Computer Science MCQs with Answers – PKMCQs, MCQs Forum:

1. What does CPU stand for?  

   a) Central Processing Unit ✅  

   b) Central Process Unit  

   c) Computer Personal Unit  

   d) Central Processor Utility  


2. Which of the following is an example of system software?  

   a) Microsoft Word  

   b) Windows OS ✅  

   c) Google Chrome  

   d) Adobe Photoshop  


3. Which key is used to refresh a webpage?  

   a) F1  

   b) F5 ✅  

   c) Ctrl + R  

   d) Shift + R  


4. What is the brain of the computer?  

   a) Monitor  

   b) CPU ✅  

   c) RAM  

   d) Hard Drive  


5. Which of the following is a programming language?  

   a) HTML  

   b) Python ✅  

   c) Windows  

   d) Excel  


6. What does RAM stand for?  

   a) Random Access Memory ✅  

   b) Readable Access Memory  

   c) Random Application Memory  

   d) Real-time Access Memory  


7. Which storage device has the highest capacity?  

   a) CD  

   b) DVD  

   c) Hard Disk ✅  

   d) Floppy Disk  


8. What does HTTP stand for?  

   a) HyperText Transfer Protocol ✅  

   b) High Tech Transfer Protocol  

   c) HyperText Transmission Process  

   d) High Transmission Transfer Program  


9. Which one is NOT an output device?  

   a) Monitor  

   b) Printer  

   c) Keyboard ✅  

   d) Speaker  


10. Which programming language is primarily used for web development?  

   a) Python  

   b) Java  

   c) HTML ✅  

   d) C++  


11. Which of the following is an open-source operating system?  

   a) Windows  

   b) macOS  

   c) Linux ✅  

   d) DOS  


12. Which protocol is used to send emails?  

   a) FTP  

   b) SMTP ✅  

   c) HTTP  

   d) POP  


13. Which of the following is a search engine?  

   a) Google ✅  

   b) WhatsApp  

   c) Excel  

   d) Linux  


14. Which one is NOT a database management system?  

   a) MySQL  

   b) Oracle  

   c) MS Access  

   d) Photoshop ✅  


15. Which programming language is used for AI and Machine Learning?  

   a) Java  

   b) Python ✅  

   c) C++  

   d) HTML  


16. What does IP stand for?  

   a) Internet Provider  

   b) Internet Protocol ✅  

   c) Internal Process  

   d) Intelligent Program  


17. Which of the following is a cloud storage service?  

   a) Google Drive ✅  

   b) Notepad  

   c) Task Manager  

   d) Calculator  


18. What is the full form of USB?  

   a) Universal Serial Bus ✅  

   b) United Serial Bus  

   c) Universal Service Bus  

   d) Unique System Bus  


19. Which of the following is NOT a web browser?  

   a) Firefox  

   b) Chrome  

   c) Safari  

   d) Windows Explorer ✅  


20. Which company developed Windows OS?  

   a) Apple  

   b) IBM  

   c) Microsoft ✅  

   d) Google  


21. Which one is a mobile operating system?  

   a) Windows 10  

   b) macOS  

   c) Android ✅  

   d) Ubuntu  


22. Which memory is used to store BIOS settings?  

   a) RAM  

   b) ROM ✅  

   c) Hard Disk  

   d) Cache  


23. Which of the following is a primary storage device?  

   a) SSD ✅  

   b) USB Drive  

   c) External Hard Disk  

   d) DVD  


24. Which of the following is NOT a programming language?  

   a) Python  

   b) Java  

   c) HTML  

   d) Google Docs ✅  


25. What does VPN stand for?  

   a) Virtual Private Network ✅  

   b) Very Personal Network  

   c) Virtual Process Node  

   d) Variable Public Network  


26. What is the most common input device?  

   a) Monitor  

   b) Printer  

   c) Keyboard ✅  

   d) Speaker  


27. Which one is an example of a spreadsheet software?  

   a) MS Word  

   b) MS Excel ✅  

   c) MS PowerPoint  

   d) Google Chrome  


28. What does GUI stand for?  

   a) General User Interaction  

   b) Graphical User Interface ✅  

   c) General Usage Information  

   d) Global User Internet  


29. Which network topology connects all devices in a circular format?  

   a) Star  

   b) Ring ✅  

   c) Bus  

   d) Mesh  


30. What is the full form of SQL?  

   a) Structured Query Language ✅  

   b) System Query Logic  

   c) Sequential Query Language  

   d) Standard Query Log  


31. Which one is an example of system software?  

   a) MS Word  

   b) MS Paint  

   c) Linux ✅  

   d) Photoshop  


32. Which of the following is a volatile memory?  

   a) Hard Disk  

   b) RAM ✅  

   c) ROM  

   d) SSD  


33. What is the function of an operating system?  

   a) Managing hardware and software resources ✅  

   b) Designing software  

   c) Running only games  

   d) Browsing the internet  


34. Which device is used to connect a computer to a network?  

   a) Router ✅  

   b) Printer  

   c) Speaker  

   d) Scanner  


35. Which of the following is NOT an internet browser?  

   a) Opera  

   b) Chrome  

   c) Mozilla  

   d) Linux ✅  


36. Which software is used for presentations?  

   a) MS Word  

   b) MS Excel  

   c) MS PowerPoint ✅  

   d) Photoshop  


37. What does PDF stand for?  

   a) Portable Document Format ✅  

   b) Printable Document File  

   c) Private Data File  

   d) Programmed Document Folder  


38. Which of the following is an example of an open-source software?  

   a) Windows  

   b) Linux ✅  

   c) macOS  

   d) MS Office  


39. What is a computer virus?  

   a) A hardware issue  

   b) A software bug  

   c) A malicious program that damages files ✅  

   d) A network problem  


40. Which of the following is NOT a type of computer network?  

   a) LAN  

   b) WAN  

   c) MAN  

   d) PANIC ✅  


41. Which of the following is a primary input device?  

   a) Printer  

   b) Mouse ✅  

   c) Monitor  

   d) Speaker  


42. What does IP address stand for?  

   a) Internet Protocol address ✅  

   b) Internal Process  

   c) Interconnected Path  

   d) Intelligent Program  


43. Which one is an example of secondary storage?  

   a) RAM  

   b) SSD ✅  

   c) Cache memory  

   d) Registers  


44. Which protocol is used for secure communication over the internet?  

   a) HTTP  

   b) HTTPS ✅  

   c) FTP  

   d) SMTP  


45. Which of the following is an example of an email service provider?  

   a) Google Drive  

   b) Gmail ✅  

   c) YouTube  

   d) Google Maps  


46. Which one is NOT a programming language?  

   a) Python  

   b) C++  

   c) Java  

   d) Google Chrome ✅  


47. What does BIOS stand for?  

   a) Basic Input Output System ✅  

   b) Binary Integrated Operating System  

   c) Basic Internet Operating Software  

   d) Biometric Identification Operating System  


48. Which of the following is a function of RAM?  

   a) Long-term storage  

   b) Temporary data storage for quick access ✅  

   c) Processing graphics  

   d) Running the operating system  


49. Which key is used to delete a file permanently?  

   a) Delete  

   b) Shift + Delete ✅  

   c) Ctrl + X  

   d) Backspace  


50. What is the full form of HTML?  

   a) Hyper Text Markup Language ✅  

   b) High Tech Modern Language  

   c) Hyperlink Transfer Markup Language  

   d) Hyper Tool Markup Language  

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