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Question 82Asked in BPSC TRE 3.0 (2024) Computer Science Class 11-12

When performing BCD addition, what is the maximum value that can be represented in a single BCD digit?

  1. A2
  2. B10
  3. C15
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (E) None of the above

Explanation

A BCD digit uses 4 bits but only codes 0 to 9, so its maximum value is 9. That is not among the options; any sum above 9 needs +6 correction.

From BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper

This is question 82 of BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.