Digital Computer Electronics - Section 1 :: Discussion


2. In which of the following gates, the output is 1, if and only if at least one input is 1?
A.NOR
B.AND
C.OR
D.NAND
Answer:  Option  C
Explanation:

In OR gate we need at least one bit to be equal to 1 to generate the output as 1 because OR means any of the condition out of two is equal to 1  which means if at least one input is 1 then it shows the output as 1. The number of 1's in input may be more than one but the output will always be 1 in OR gate. So the answer is 'C'.

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Published by:Kiran Manzoor

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