Digital Electronics - Logic Gates - Discussion

Discussion Forum : Logic Gates - General Questions (Q.No. 3)
3.
If a signal passing through a gate is inhibited by sending a LOW into one of the inputs, and the output is HIGH, the gate is a(n):
AND
NAND
NOR
OR
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
29 comments Page 3 of 3.

Kuldeep nagar said:   1 decade ago
But in OR gate if we use 0 and 1 as input then output is also high. Why B is correct answer? D can be answer.

BINODINI DAS said:   9 years ago
Expression:- y = A. B.

0 0 = 1 (high).
0 1 = 1 (high).
1 0 = 1 (high).
1 1 = 0 (low).

R s dayal said:   1 decade ago
Here second input is not given, then we can take any i/p. 0 or 1.

Ethan said:   9 years ago
According to me, Both Nand and OR gates are correct.
(4)

MAYPHICS said:   1 decade ago
Ok, then can anyone explain how its not NOR.

Kalai said:   1 decade ago
A B O/P
0 0 1
0 1 1
1 0 1
1 1 0

Vinashi jindal said:   1 decade ago
Why it is NAND gate not NOR gate?

Krishna said:   1 decade ago
Can any one say why it is not OR?

Abhijeet Neog said:   8 years ago
Why can't it be ex-or?
(2)


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