Multiple choice

Which of the following statements is true about BCD code?

  1. Conversation to and from the decimal system can be done easily.

  2. It is a 8-4-2-1 weighted code.

  3. (12345678)base 10 need 4 bytes in BCD representation.

  4. Compliment of a number can be found efficiently.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

BCD (Binary Coded Decimal) uses 4 bits to represent each decimal digit (0-9), making it an 8-4-2-1 weighted code. However, finding complements in BCD is NOT efficient compared to pure binary systems because BCD doesn't leverage binary arithmetic properties naturally.