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Digital Electronics

Q1:

In 2's complement representation the number 11100101 represents the decimal number

A +37

B -31

C +27

D -27

ANS:D - -27

A = 11100101. Therefore A = 00011010 and A' = A + 1 = 00011011 = 16 + 8 + 2 + 1 = 27. Therefore A = -27.



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