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Digital Electronics

Q1:

4 bit 2's complement representation of a decimal number is 1000. The number is

A + 8

B 0

C - 7

D - 8

ANS:D - - 8

(a) and (d) both are option, But there is meaning to represent a positive number in 2's complement form, we take complement representation for negative number only. Therefore most appropriate number is "-8".



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