Multiple choice

Which of the following is a weighted code in which each decimal digit 0 through 9 is represented by a 4 bit code?

  1. Bar code

  2. Gray code

  3. Assembler Code

  4. 8421 Code
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The 8421 code is the standard Binary Coded Decimal (BCD) system where each decimal digit is represented by four bits with weights 8, 4, 2, and 1.

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