Computer MCQs – Set 7: 50 Questions for UPSC, PSC, SSC CGL & Govt Exams

  1. Which file system is used by default in Windows OS?
    (A) FAT32
    (B) NTFS
    (C) ext4
    (D) HFS+
    Answer: (B)
  2. Which of the following manages computer peripherals?
    (A) Compiler
    (B) Device Driver
    (C) Word Processor
    (D) Browser
    Answer: (B)
  3. Which of these is not a programming language?
    (A) Python
    (B) Java
    (C) Linux
    (D) C++
    Answer: (C)
  4. What is the default file extension for a Notepad file?
    (A) .doc
    (B) .txt
    (C) .xls
    (D) .pdf
    Answer: (B)
  5. Which key is used to cancel a dialog box or operation?
    (A) Ctrl
    (B) Esc
    (C) Alt
    (D) Shift
    Answer: (B)
  6. Which key combination is used to open Task Manager directly?
    (A) Ctrl + Shift + Esc
    (B) Ctrl + Alt + Del
    (C) Alt + Esc
    (D) Ctrl + T
    Answer: (A)
  7. Which software allows you to browse the internet?
    (A) WordPad
    (B) Google Chrome
    (C) Windows Media Player
    (D) Notepad
    Answer: (B)
  8. Which of the following is a secure version of HTTP?
    (A) FTP
    (B) SMTP
    (C) HTTPS
    (D) SNMP
    Answer: (C)
  9. Which file format is used to store Excel spreadsheets?
    (A) .xlsx
    (B) .docx
    (C) .pptx
    (D) .pdf
    Answer: (A)
  10. Which of the following is a video conferencing platform?
    (A) Zoom
    (B) MS Paint
    (C) WinRAR
    (D) Notepad
    Answer: (A)
  11. Which key is used to rename a file or folder?
    (A) F2
    (B) F5
    (C) Ctrl + R
    (D) Alt + R
    Answer: (A)
  12. Which type of memory is typically the fastest?
    (A) SSD
    (B) HDD
    (C) Cache
    (D) RAM
    Answer: (C)
  13. What does ‘Mbps’ stand for?
    (A) Mega binary system
    (B) Mega bandwidth speed
    (C) Megabytes per second
    (D) Megabits per second
    Answer: (D)
  14. Which of the following is used to create and manage databases?
    (A) Oracle
    (B) PowerPoint
    (C) Excel
    (D) Tally
    Answer: (A)
  15. Which protocol is used to transfer files between computers?
    (A) SMTP
    (B) FTP
    (C) IP
    (D) SNMP
    Answer: (B)
  16. Which Windows utility is used to manage disk partitions?
    (A) Disk Cleanup
    (B) Device Manager
    (C) Disk Management
    (D) Control Panel
    Answer: (C)
  17. Which shortcut is used to select all items?
    (A) Ctrl + A
    (B) Ctrl + S
    (C) Ctrl + X
    (D) Ctrl + V
    Answer: (A)
  18. What is the primary function of DNS?
    (A) Encrypt data
    (B) Assign IP address
    (C) Translate domain names into IPs
    (D) Manage firewalls
    Answer: (C)
  19. Which of the following is used to store backup data externally?
    (A) RAM
    (B) SSD
    (C) Pen Drive
    (D) Motherboard
    Answer: (C)
  20. Which one is not a Microsoft Office application?
    (A) Access
    (B) Excel
    (C) WordPad
    (D) Outlook
    Answer: (C)
  21. What does URL stand for?
    (A) Uniform Record Locator
    (B) Universal Resource Locator
    (C) Uniform Resource Locator
    (D) User Resource Log
    Answer: (C)
  22. Which of the following uses IP addresses?
    (A) MAC Address
    (B) Router
    (C) Monitor
    (D) Keyboard
    Answer: (B)
  23. Which command is used to change directories in CMD?
    (A) cd
    (B) dir
    (C) md
    (D) rd
    Answer: (A)
  24. Which programming language is best known for statistical data analysis?
    (A) Java
    (B) Python
    (C) R
    (D) Ruby
    Answer: (C)
  25. Which one is a high-level programming language?
    (A) Assembly
    (B) Binary
    (C) C++
    (D) Machine Language
    Answer: (C)
  26. Which of these is not a communication medium?
    (A) Optical fiber
    (B) Coaxial cable
    (C) USB cable
    (D) Wireless radio
    Answer: (C)
  27. Which of these is a cloud computing platform by Amazon?
    (A) Azure
    (B) Google Cloud
    (C) AWS
    (D) IBM Watson
    Answer: (C)
  28. Which key is commonly used to access system boot options?
    (A) F12
    (B) F1
    (C) F8
    (D) Esc
    Answer: (A)
  29. Which part of the computer executes instructions?
    (A) RAM
    (B) CPU
    (C) ROM
    (D) HDD
    Answer: (B)
  30. Which of these is not a Microsoft product?
    (A) OneNote
    (B) Visual Studio
    (C) Pages
    (D) Outlook
    Answer: (C)
  31. Which memory retains its contents even when power is turned off?
    (A) RAM
    (B) ROM
    (C) Cache
    (D) Register
    Answer: (B)
  32. Which key combination is used to minimize all windows?
    (A) Windows + D
    (B) Ctrl + M
    (C) Windows + M
    (D) Both A and C
    Answer: (D)
  33. Which company developed the Python programming language?
    (A) Microsoft
    (B) Google
    (C) Python Software Foundation
    (D) Apple
    Answer: (C)
  34. Which shortcut opens ‘Find’ in a document?
    (A) Ctrl + S
    (B) Ctrl + F
    (C) Ctrl + G
    (D) Ctrl + R
    Answer: (B)
  35. Which of the following is used for computer-aided design?
    (A) Photoshop
    (B) AutoCAD
    (C) Excel
    (D) PowerPoint
    Answer: (B)
  36. Which application is used for note-taking in MS Office?
    (A) OneDrive
    (B) OneNote
    (C) Outlook
    (D) Access
    Answer: (B)
  37. Which of the following is the latest version of USB (as of 2024)?
    (A) USB 2.0
    (B) USB 3.1
    (C) USB 3.2
    (D) USB 4
    Answer: (D)
  38. What does SSD stand for?
    (A) Solid State Device
    (B) Solid Storage Disk
    (C) Solid State Drive
    (D) Small Storage Device
    Answer: (C)
  39. Which one of these allows video output?
    (A) HDMI
    (B) USB
    (C) Ethernet
    (D) Audio Jack
    Answer: (A)
  40. Which key opens the Run dialog box?
    (A) Ctrl + R
    (B) Alt + R
    (C) Windows + R
    (D) Shift + R
    Answer: (C)
  41. Which of these is an example of an interpreted language?
    (A) C++
    (B) Java
    (C) Python
    (D) Assembly
    Answer: (C)
  42. What is the full form of IoT?
    (A) Information of Technology
    (B) Internet of Things
    (C) Interface of Technology
    (D) Internet of Transmission
    Answer: (B)
  43. Which of the following is a secure protocol for file transfer?
    (A) FTP
    (B) SFTP
    (C) SMTP
    (D) POP
    Answer: (B)
  44. Which of the following is an example of AI-based software?
    (A) VLC
    (B) Microsoft Excel
    (C) ChatGPT
    (D) Notepad++
    Answer: (C)
  45. Which is a Linux command-line utility to display files?
    (A) open
    (B) cat
    (C) view
    (D) print
    Answer: (B)
  46. Which command is used to shut down a PC via CMD?
    (A) shutdown /s
    (B) exit
    (C) quit
    (D) logout
    Answer: (A)
  47. Which is not a database query language?
    (A) SQL
    (B) PL/SQL
    (C) NoSQL
    (D) HTML
    Answer: (D)
  48. What is CAPTCHA used for?
    (A) Encrypt data
    (B) Prevent spam bots
    (C) Speed up networks
    (D) Scan files
    Answer: (B)
  49. Which of the following is not a valid domain extension?
    (A) .com
    (B) .org
    (C) .gov
    (D) .webz
    Answer: (D)
  50. Which of these is not a common web development stack?
    (A) LAMP
    (B) MEAN
    (C) WIMP
    (D) LOOM
    Answer: (D)

Leave a Reply