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Computer & IT MCQs

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How many characters in the ASCII 8-bit code can be represented?

  • A. 1000 characters
  • B. 256 characters
  • C. 390 characters
  • D. 256 characters
Explanation:
8-bit ASCII can represent 256 different characters.

Which of the following is the second largest measurement of RAM?

  • A. Megabyte
  • B. Gigabyte
  • C. Terabyte
  • D. Byte
Explanation:
After Terabyte, Gigabyte is the next largest common RAM measurement.

Which of the following is the largest unit of storage?

  • A. Byte
  • B. Gigabyte
  • C. Terabyte
  • D. Byte
Explanation:
A terabyte is currently one of the largest commonly used storage units.

A Terabyte represents about ____.

  • A. 1 quadrillion bytes
  • B. 1 trillion bytes
  • C. 1 billion bytes
  • D. 1 million bytes
Explanation:
1 TB = 1 trillion bytes (approximately 1024 GB).

1000 million bytes is equal to ____.

  • A. Giga Byte
  • B. Tera Byte
  • C. Mega Byte
  • D. None of these
Explanation:
1000 million bytes = 1 Giga Byte.

1 Giga Byte is equal to ____.

  • A. 1000 MB
  • B. 1024 MB
  • C. 100 MB
  • D. 512 MB
Explanation:
1 GB = 1024 MB.

One Mega Byte is equal to ____.

  • A. 1024 Bytes
  • B. 1024 Kilobytes
  • C. 1024 Gigabytes
  • D. Kilobyte
Explanation:
1 MB = 1024 KB.

In computing, MB stands for ____.

  • A. More Bytes
  • B. Megabyte
  • C. Maximum Byte
  • D. Minimum Byte
Explanation:
MB is the standard abbreviation for Megabyte.

Which is a valid statement?

  • A. 1 MB = 1024 bytes
  • B. 1 KB = 1024 bytes
  • C. 1 KB = 8 bytes
  • D. None of these
Explanation:
1 Kilobyte equals 1024 bytes.

One kilobyte (KB) is equal to how many bytes:

  • A. 1000
  • B. 1024
  • C. 256
  • D. 32
Explanation:
1 KB = 1024 bytes.

Computer & IT MCQs for CSS Preparation

Practice Important Questions

This section provides important MCQs with answers and explanations to help candidates prepare effectively for CSS, PMS, and other competitive exams.

Improve Conceptual Understanding

Each MCQ is designed to strengthen your understanding of key concepts and improve analytical thinking required in exams.

Exam-Oriented Preparation

These MCQs follow actual exam patterns, helping aspirants practice relevant questions and improve performance.

Useful for CSS and PMS Exams

This collection is highly beneficial for CSS, PMS, and other competitive exams, improving accuracy and confidence.