Introduction to Computer and Types MCQs

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  1. Which device converts digital signals to analog?
    A) Modem
    B) Printer
    C) Scanner
    D) Keyboard
    Answer: A
  2. GUI stands for:
    A) General User Interface
    B) Graphical User Interface
    C) Global User Interface
    D) Graphic Universal Interface
    Answer: B
  3. CLI stands for:
    A) Command Line Interface
    B) Computer Line Interface
    C) Central Line Interface
    D) Control Line Interface
    Answer: A
  4. Which is an example of application software?
    A) Windows
    B) Linux
    C) MS Word
    D) BIOS
    Answer: C
  5. BIOS is stored in:
    A) RAM
    B) ROM
    C) Cache
    D) Hard disk
    Answer: B
  6. Which memory loses data when power is off?
    A) ROM
    B) RAM
    C) Hard disk
    D) CD
    Answer: B
  7. Which is a portable storage device?
    A) Hard disk
    B) USB drive
    C) RAM
    D) Cache
    Answer: B
  8. Which is not storage media?
    A) CD
    B) DVD
    C) RAM
    D) Monitor
    Answer: D
  9. Which device scans images?
    A) Printer
    B) Scanner
    C) Speaker
    D) Monitor
    Answer: B
  10. A computer program is:
    A) Hardware
    B) Software
    C) Device
    D) Machine
    Answer: B
  11. Which is an example of digital computer?
    A) Thermometer
    B) Speedometer
    C) Laptop
    D) Analog clock
    Answer: C
  12. Minicomputers are:
    A) Small personal computers
    B) Medium-sized computers
    C) Largest computers
    D) Portable devices
    Answer: B
  13. Which is used for large scientific calculations?
    A) Laptop
    B) Tablet
    C) Supercomputer
    D) Desktop
    Answer: C
  14. Which is used for typing and document work?
    A) Supercomputer
    B) Microcomputer
    C) Mainframe
    D) Hybrid computer
    Answer: B
  15. Which is not an example of microcomputer?
    A) Desktop
    B) Laptop
    C) Smartphone
    D) Supercomputer
    Answer: D
  16. Cloud computing refers to:
    A) Storage in sky
    B) Internet-based computing
    C) Weather system
    D) Hardware system
    Answer: B
  17. Which is not an operating system?
    A) Windows
    B) Linux
    C) Android
    D) Excel
    Answer: D
  18. Which part stores instructions?
    A) CPU
    B) Memory
    C) Monitor
    D) Keyboard
    Answer: B
  19. Which is input + output device?
    A) Monitor
    B) Touchscreen
    C) Printer
    D) Speaker
    Answer: B
  20. Which is used for gaming and graphics?
    A) GPU
    B) CPU
    C) RAM
    D) ROM
    Answer: A
  21. Which computer is embedded in cars?
    A) Desktop
    B) Supercomputer
    C) Embedded system
    D) Mainframe
    Answer: C
  22. Which type of computer works on both analog and digital data?
    A) Hybrid
    B) Analog
    C) Digital
    D) Micro
    Answer: A
  23. Which device produces sound?
    A) Monitor
    B) Speaker
    C) Keyboard
    D) Scanner
    Answer: B
  24. Which is not input unit?
    A) Mouse
    B) Keyboard
    C) Speaker
    D) Scanner
    Answer: C
  25. The first electronic computer was:
    A) ENIAC
    B) UNIVAC
    C) IBM PC
    D) Apple I
    Answer: A
  26. Which generation used vacuum tubes?
    A) First
    B) Second
    C) Third
    D) Fourth
    Answer: A
  27. Which generation used transistors?
    A) First
    B) Second
    C) Third
    D) Fourth
    Answer: B
  28. Which generation uses microprocessors?
    A) First
    B) Second
    C) Third
    D) Fourth
    Answer: D
  29. Which is fastest processing unit?
    A) CPU
    B) GPU
    C) ALU
    D) Cache
    Answer: A
  30. Which memory is closest to CPU?
    A) Hard disk
    B) RAM
    C) Cache
    D) CD
    Answer: C
  31. Which stores OS permanently?
    A) RAM
    B) Hard disk
    C) Cache
    D) Register
    Answer: B
  32. Which is temporary memory?
    A) Hard disk
    B) ROM
    C) RAM
    D) DVD
    Answer: C
  33. Which device prints on paper?
    A) Monitor
    B) Printer
    C) Speaker
    D) Mouse
    Answer: B
  34. Which computer is used for personal work?
    A) Mainframe
    B) Supercomputer
    C) Microcomputer
    D) Hybrid
    Answer: C
  35. Which is example of wearable tech?
    A) Laptop
    B) Desktop
    C) Smartwatch
    D) Server
    Answer: C
  36. Which is an example of server?
    A) Personal PC
    B) Gaming PC
    C) Network computer
    D) Tablet
    Answer: C
  37. Which computer type is largest in size?
    A) Microcomputer
    B) Minicomputer
    C) Mainframe
    D) Supercomputer
    Answer: D
  38. Which is not a feature of computer?
    A) Speed
    B) Accuracy
    C) Intelligence
    D) Storage
    Answer: C
  39. Which performs logical operations?
    A) ALU
    B) RAM
    C) Hard disk
    D) Monitor
    Answer: A
  40. Which device inputs voice?
    A) Microphone
    B) Speaker
    C) Printer
    D) Monitor
    Answer: A
  41. Which is example of output?
    A) Typing
    B) Printing
    C) Clicking
    D) Scanning
    Answer: B
  42. Which stores large data?
    A) Cache
    B) RAM
    C) Hard disk
    D) Register
    Answer: C
  43. Which is fastest storage?
    A) Register
    B) Hard disk
    C) CD
    D) USB
    Answer: A
  44. Which is not a computer category?
    A) Analog
    B) Digital
    C) Hybrid
    D) Manual
    Answer: D
  45. Which is portable computing device?
    A) Laptop
    B) Mainframe
    C) Server
    D) Supercomputer
    Answer: A
  46. Which is used in hospitals for monitoring?
    A) Analog computer
    B) Digital computer
    C) Hybrid computer
    D) Supercomputer
    Answer: C
  47. Which is system unit part?
    A) CPU
    B) Monitor
    C) Keyboard
    D) Mouse
    Answer: A
  48. Which stores instructions permanently?
    A) RAM
    B) ROM
    C) Cache
    D) Register
    Answer: B
  49. Which is main function of computer?
    A) Cooking
    B) Processing data
    C) Driving
    D) Painting
    Answer: B
  50. Which device helps navigation on screen?
    A) Mouse
    B) Printer
    C) Speaker
    D) Scanner
    Answer: A

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