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MCQ Practice

Computer & IT MCQs

A combination of 16 bits is called ____.

  • A. Bit
  • B. Word
  • C. Nibble
  • D. 1024 Bits
Explanation:
16 bits together form one word.

Sequence of 4 bits is called ____.

  • A. Nibble
  • B. Byte
  • C. Kilobyte
  • D. Megabyte
Explanation:
Four bits together are known as ____—a nibble.

In computer science, Half-byte is also known as ____.

  • A. Word
  • B. Four bits
  • C. Nibble
  • D. None of these
Explanation:
A group of four bits is called a nibble (half-byte).

Eight bits are equal to one byte.

  • A. Word
  • B. Four bits
  • C. Nibble
  • D. None of these
Explanation:
Eight bits form one byte; four bits form a nibble.

How many bits are equal to one byte?

  • A. 2
  • B. 4
  • C. 8
  • D. 5
Explanation:
One byte consists of exactly 8 bits.

A bit can be:

  • A. 1 and 0
  • B. 1 or 0
  • C. 1 only
  • D. Memory
Explanation:
A bit is the smallest unit of data and can only be 0 or 1.

The binary system is composed of the values 1 & 0 and means:

  • A. On
  • B. Off
  • C. Start
  • D. Low
Explanation:
In binary, 0 represents off, and 1 represents on.

Binary coded is in the form of ____.

  • A. 0, 1
  • B. 1, 2
  • C. 1, 2
  • D. None of these
Explanation:
Binary code is represented only by the digits 0 and 1.

Q – Q

  • A. Two Binary Digits
  • B. Three Binary Digits
  • C. Four Binary Digits
  • D. None of these
Explanation:
Binary Coded Decimal (BCD) uses four binary digits to represent one decimal digit.

Which of the following is a combination of binary coded decimal is ____.

  • A. Two Binary Digits
  • B. Three Binary Digits
  • C. Four Binary Digits
  • D. None of these
Explanation:
Binary Coded Decimal (BCD) uses 4 binary digits to represent each decimal digit.