Computer System Architecture - Data Representation

11. If (12A7C )16 = (X)8 then value of X is

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14. The weight which makes the complement operation easier in BCD form is

  • Option : C
  • Explanation : In BCD 8421 we simply find out the code from 0 to 9 then we can find complement but in 2421 we find out the 9's complement of a number in code already so it is easy to find any complement by 2421 rater than 8421. So answer is (C)
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