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Computer & IT MCQs

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.