Computer Hardware and Software Questions and Answers

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Showing 10 of 37 questions
Q21
Which of the following is not hardware
  • A Mouse
  • B Monitor
  • C Explanation: An operating system is software, not hardware.
  • D Printer
Answer: Option C
Explanation: An operating system is software, not hardware.
Q22
Which device is used to store data permanently
  • A RAM
  • B Cache
  • C Explanation: Hard disks store data permanently.
  • D Register
Answer: Option C
Explanation: Hard disks store data permanently.
Q23
Which software helps in virus detection and removal
  • A Compiler
  • B Explanation: Antivirus software protects the system from malware.
  • C Word Processor
  • D Browser
Answer: Option B
Explanation: Antivirus software protects the system from malware.
Q24
Which part of the CPU performs arithmetic operations
  • A Control Unit
  • B Explanation: ALU performs arithmetic and logical operations.
  • C Register
  • D Cache
Answer: Option B
Explanation: ALU performs arithmetic and logical operations.
Q25
Which memory is fastest among the following
  • A Hard Disk
  • B RAM
  • C Explanation: Cache memory is the fastest type of memory.
  • D CD
Answer: Option C
Explanation: Cache memory is the fastest type of memory.
Q26
Which of the following is application software
  • A Linux
  • B Windows
  • C Explanation: MS Word is used for document creation.
  • D BIOS
Answer: Option C
Explanation: MS Word is used for document creation.
Q27
Which device converts digital signals into audio output
  • A Microphone
  • B Explanation: Speakers convert digital signals into sound.
  • C Scanner
  • D Webcam
Answer: Option B
Explanation: Speakers convert digital signals into sound.
Q28
Which key is used to delete characters to the left of the cursor
  • A Delete
  • B Shift
  • C Enter
  • D Explanation: Backspace removes characters to the left of the cursor.
Answer: Option D
Explanation: Backspace removes characters to the left of the cursor.
Q29
Which software translates high-level language into machine language
  • A Editor
  • B Explanation: A compiler converts high-level code into machine code.
  • C Loader
  • D Linker
Answer: Option B
Explanation: A compiler converts high-level code into machine code.
Q30
Which device is used to point and select items on the screen
  • A Keyboard
  • B Monitor
  • C Explanation: A mouse is a pointing device.
  • D Printer
Answer: Option C
Explanation: A mouse is a pointing device.

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