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  • GATE Practice - Computer Networks & Communications
  • Find the 2’s complement of the value 85H.
Multiple choice

Find the 2’s complement of the value 85H.

  1. 8BH

  2. 7BH

  3. 7AH

  4. BH

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

MOV A,# 85HCPL A ;ADD ,#85 H = 1000 0101 1’s = 0111 1010 2’s = + 10111 1011 = > 7BH

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