Computer MCQs – Set 5: 50 Questions for UPSC, PSC, SSC CGL & Govt Exams

  1. What does GUI stand for in computer terminology?
    (A) Graphical User Interface
    (B) General Utility Interface
    (C) Global User Internet
    (D) Graphic Utility Input
    Answer: (A)
  2. Which one is a non-impact printer?
    (A) Dot Matrix
    (B) Daisy Wheel
    (C) Laser Printer
    (D) Line Printer
    Answer: (C)
  3. Which shortcut key is used to redo an action in MS Word?
    (A) Ctrl + Y
    (B) Ctrl + Z
    (C) Ctrl + A
    (D) Ctrl + S
    Answer: (A)
  4. Which type of memory is used in Pendrives?
    (A) Flash
    (B) SRAM
    (C) ROM
    (D) EEPROM
    Answer: (A)
  5. Which input device uses optical recognition to read codes?
    (A) OCR
    (B) Barcode Reader
    (C) Light Pen
    (D) Touchscreen
    Answer: (B)
  6. The physical parts of a computer are called –
    (A) Software
    (B) Hardware
    (C) Firmware
    (D) Malware
    Answer: (B)
  7. Which of the following is NOT an open-source software?
    (A) Ubuntu
    (B) LibreOffice
    (C) Windows
    (D) Mozilla Firefox
    Answer: (C)
  8. What is the function of a device driver?
    (A) Manages memory
    (B) Manages hardware communication
    (C) Stores data
    (D) Transmits viruses
    Answer: (B)
  9. What is used to connect two different networks?
    (A) Switch
    (B) Repeater
    (C) Bridge
    (D) Router
    Answer: (D)
  10. Which of the following is a real-time operating system?
    (A) Linux
    (B) Windows
    (C) RTOS
    (D) DOS
    Answer: (C)
  11. Which company manufactures the Ryzen processor?
    (A) Intel
    (B) Microsoft
    (C) AMD
    (D) Qualcomm
    Answer: (C)
  12. Which of the following is a search algorithm used by web browsers?
    (A) Bubble Sort
    (B) PageRank
    (C) Quick Sort
    (D) Binary Search
    Answer: (B)
  13. What is the full form of PDF?
    (A) Printable Document File
    (B) Portable Document Format
    (C) Page Data Format
    (D) Public Document File
    Answer: (B)
  14. Which one is an example of a primary memory device?
    (A) CD
    (B) RAM
    (C) Pendrive
    (D) DVD
    Answer: (B)
  15. Which protocol is used for receiving emails?
    (A) SMTP
    (B) FTP
    (C) POP3
    (D) HTTP
    Answer: (C)
  16. Which company developed the MS Office Suite?
    (A) Google
    (B) IBM
    (C) Apple
    (D) Microsoft
    Answer: (D)
  17. Which menu contains ‘Save As’ in MS Word?
    (A) Edit
    (B) View
    (C) File
    (D) Insert
    Answer: (C)
  18. What does the ‘print screen’ key do?
    (A) Prints the document
    (B) Takes a screenshot
    (C) Opens printer settings
    (D) Refreshes the screen
    Answer: (B)
  19. Which of the following is used to store BIOS settings?
    (A) CMOS
    (B) SSD
    (C) HDD
    (D) RAM
    Answer: (A)
  20. Which storage type uses magnetic properties?
    (A) SSD
    (B) Flash Drive
    (C) Hard Disk
    (D) Optical Disk
    Answer: (C)
  21. Which key is used to delete characters to the right of the cursor?
    (A) Backspace
    (B) Delete
    (C) Ctrl
    (D) Esc
    Answer: (B)
  22. Which computer virus attaches itself to executable files?
    (A) Worm
    (B) Trojan
    (C) File Infector
    (D) Ransomware
    Answer: (C)
  23. Which of the following is NOT an antivirus software?
    (A) Avast
    (B) Kaspersky
    (C) Quick Heal
    (D) PowerPoint
    Answer: (D)
  24. Which device is used to display output visually?
    (A) Printer
    (B) Monitor
    (C) Speaker
    (D) Mouse
    Answer: (B)
  25. Which tool is used to write computer programs?
    (A) Compiler
    (B) IDE
    (C) Debugger
    (D) Browser
    Answer: (B)
  26. Which shortcut is used to close a window?
    (A) Ctrl + Q
    (B) Alt + F4
    (C) Ctrl + F4
    (D) Esc
    Answer: (B)
  27. Which of the following is a secondary storage device?
    (A) RAM
    (B) ROM
    (C) Hard Drive
    (D) Cache
    Answer: (C)
  28. What is the base of the binary number system?
    (A) 4
    (B) 2
    (C) 8
    (D) 10
    Answer: (B)
  29. Which Microsoft application is used for slide presentations?
    (A) Word
    (B) Excel
    (C) PowerPoint
    (D) Access
    Answer: (C)
  30. Which shortcut key is used to bold text in MS Word?
    (A) Ctrl + B
    (B) Ctrl + I
    (C) Ctrl + U
    (D) Ctrl + M
    Answer: (A)
  31. Which of the following is used to store temporary data?
    (A) ROM
    (B) HDD
    (C) RAM
    (D) SSD
    Answer: (C)
  32. Which key is used to open the Start menu in Windows?
    (A) Ctrl
    (B) Shift
    (C) Windows
    (D) Tab
    Answer: (C)
  33. Which of the following allows a computer to connect to a network?
    (A) NIC
    (B) USB
    (C) CD-ROM
    (D) VGA
    Answer: (A)
  34. Which of these is a communication software?
    (A) Skype
    (B) Tally
    (C) Excel
    (D) Acrobat
    Answer: (A)
  35. Which of the following is a function of the operating system?
    (A) Word Processing
    (B) Managing Memory
    (C) Creating Presentations
    (D) Editing Videos
    Answer: (B)
  36. Which key is used to open Task Manager with Ctrl and Shift?
    (A) Esc
    (B) Alt
    (C) F4
    (D) Tab
    Answer: (A)
  37. Which of these is NOT a video file extension?
    (A) .avi
    (B) .mp4
    (C) .mov
    (D) .mp3
    Answer: (D)
  38. Which shortcut is used to italicize text?
    (A) Ctrl + I
    (B) Ctrl + B
    (C) Ctrl + U
    (D) Ctrl + T
    Answer: (A)
  39. Which company developed C programming language?
    (A) Microsoft
    (B) IBM
    (C) Bell Labs
    (D) Sun Microsystems
    Answer: (C)
  40. Which device allows only input?
    (A) Scanner
    (B) Printer
    (C) Monitor
    (D) Projector
    Answer: (A)
  41. Which of these is not a function key?
    (A) F13
    (B) F1
    (C) F5
    (D) F12
    Answer: (A)
  42. Which key is used to enter BIOS during boot?
    (A) F2
    (B) Esc
    (C) Del
    (D) Any of the above depending on the system
    Answer: (D)
  43. Which file format is used for audio files?
    (A) .mp3
    (B) .doc
    (C) .xls
    (D) .png
    Answer: (A)
  44. What is the main role of a compiler?
    (A) Convert machine code to high-level
    (B) Convert high-level code to machine code
    (C) Run programs
    (D) Debug code
    Answer: (B)
  45. What is an IP address used for?
    (A) Identifying a device on a network
    (B) Formatting hard drives
    (C) Creating email accounts
    (D) Monitoring CPU usage
    Answer: (A)
  46. Which function key is used to open Help in most software?
    (A) F1
    (B) F5
    (C) F11
    (D) F2
    Answer: (A)
  47. Which of the following is a type of operating system?
    (A) Compiler
    (B) Linux
    (C) USB
    (D) Excel
    Answer: (B)
  48. What does LAN stand for?
    (A) Local Area Network
    (B) Large Area Network
    (C) Light Access Network
    (D) Logical Address Node
    Answer: (A)
  49. What type of device is a joystick?
    (A) Input
    (B) Output
    (C) Storage
    (D) Network
    Answer: (A)
  50. Which tool is used to troubleshoot hardware problems in Windows?
    (A) Device Manager
    (B) Disk Cleanup
    (C) Registry Editor
    (D) Event Viewer
    Answer: (A)

Leave a Reply