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MCQ Practice

Computer & IT MCQs

ACL stands for ____.

  • A. Access Control List
  • B. Access Central List
  • C. Access Check List
  • D. Adoptive Control List
Explanation:
ACL means Access Control List, used in networking and security.

Abacus was the first ____.

  • A. Electronic computer
  • B. mechanical computer
  • C. electronic calculator
  • D. mechanical calculator
Explanation:
The abacus is considered the earliest mechanical calculating device.

4K resolution is ____.

  • A. 4496×2460
  • B. 4296×2260
  • C. 4196×2060
  • D. 4096×2160
Explanation:
Standard 4K UHD resolution is 4096 × 2160 pixels.

What is MS Word?

  • A. Word Processing Software
  • B. Spreadsheet
  • C. Operating system
  • D. None of these
Explanation:
Microsoft Word is a popular word processing application.

Virus is the word of which language?

  • A. English
  • B. Latin
  • C. Greek
  • D. None of these
Explanation:
The term "virus" originates from Latin, meaning "poison" or "slimy liquid."

Microsoft was founded in ____.

  • A. 1970
  • B. 1972
  • C. 1975
  • D. 1981
Explanation:
Microsoft was founded by Bill Gates and Paul Allen on April 4, 1975.

ALU stands for ____.

  • A. Arithmetic Longest Unit
  • B. Arithmetic Logic Unit
  • C. Arithmetic Longest United
  • D. None of these
Explanation:
The ALU (Arithmetic Logic Unit) performs arithmetic and logical operations in the CPU.

8 Bits make up a ____.

  • A. Byte
  • B. Megabyte
  • C. Kilobyte
  • D. None
Explanation:
8 bits constitute 1 byte.

4 nibbles equal to ____.

  • A. 2 bits
  • B. 4 bits
  • C. 2 bytes
  • D. 4 bytes
Explanation:
4 nibbles = 16 bits = 2 bytes.

1GB is equal to ___ bytes.

  • A. 1 million bytes
  • B. 1 trillion bytes
  • C. 1 billion bytes
  • D. None
Explanation:
1 GB = 1,073,741,824 bytes (approximately 1 billion bytes in decimal, exactly 2³⁰ bytes).