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Pick out the 'TRUE' from the following?
  • a)
    Binary coded decimal (BCD) = Binary for any decimal
  • b)
    2’s complement of + (17)10 in 8-bits 11101110
  • c)
    Gray code equivalent of (10010111)BCD is 11011100
  • d)
    16’s compliment of any hex number = 2's complement of it
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Pick out the 'TRUE' from the following?a)Binary coded decimal (BCD) =...
16’s complement of a Hex number = 2's complement of it
Ex: 7BH:- 15c => subtract each digit/symbol from F
16th complement of 7BH
FF -78 = 84+1 = 85H
78 H in 16th complement = 85 H
2's complement of 7B H
7BH = (01111011)2
2’s Complement 7B H = (10000101) = 85 H
So Option (A) is False because BCD = Binary only for ≤ 9
Option (B) is False because compliment of positive number is its magnitude only.
Option (C) is False because Gray code depends on binary but not on BCD.
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Pick out the 'TRUE' from the following?a)Binary coded decimal (BCD) = Binary for any decimalb)2’s complement of + (17)10 in 8-bits 11101110c)Gray code equivalent of (10010111)BCD is 11011100d)16’s compliment of any hex number = 2's complement of itCorrect answer is option 'D'. Can you explain this answer?
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