Digital Electronics - Logic Gates - Discussion

52. 

Which of the following equations would accurately describe a four-input OR gate when A = 1, B = 1, C = 0, and D = 0?

[A]. 1 + 1 + 0 + 0 = 01
[B]. 1 + 1 + 0 + 0 = 1
[C]. 1 + 1 + 0 + 0 = 0
[D]. 1 + 1 + 0 + 0 = 00

Answer: Option B

Explanation:

No answer description available for this question.

Shivani said: (Feb 20, 2014)  
We can use + because OR use + symbol.

1+1=1, 1+0=1, 1+0=1.

So Answer is 1.

Nandhini said: (May 4, 2015)  
I didn't get the answer any one can explain me clearly?

Barani said: (Dec 8, 2016)  
The output of the OR gate would be 1, when anyone of the input 1.

So, the given combination will be 1100.

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