How many bits are required to store one BCD digit

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Electrical Engineering XYZ MCQs

How many bits are required to store one BCD digit:

  1. 2
  2. 3
  3. 1
  4. 4

Correct answer: 4. 4

Explanation: BCD (Binary-Coded Decimal) is a binary representation of decimal numbers. In BCD, each decimal digit is represented by a 4-bit binary code. This is because a 4-bit binary code can represent values from 0 to 15, which is sufficient for encoding decimal digits (0 to 9). Therefore, each BCD digit requires 4 bits for storage.

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