Digital Logic

1: A circuit produces 1's complement of the input word, one application is binary subtraction. It is called
A. Logic gate
B. Register
C. Multiplexer
D. BCD convertor
 

Answer : B

Explanation :

Ravi said: (11:13pm on Monday 5th October 2015)
I think the answer is A, as 1's complement is same as NOT logic gate (which does inversion of bits).

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Option: A

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