Published by:
CGP EDU Academic Team
Published on: September 12, 2026
For the logic circuit shown, the output waveform at Y is

Text Solution
Verified by ExpertsThe correct answer is:
A
All the gates used in the diagram represent NAND gates.
Thus, the output Y can be calculated as follows


= A + B
The above equation suggests that the output of the given combination yields the same result as an OR gate.
The truth table can be written as follows
A | B | |||
0 | 0 | 1 | 1 | 0 |
0 | 1 | 1 | 0 | 1 |
1 | 0 | 0 | 1 | 1 |
1 | 1 | 0 | 0 | 1 |
Hence, this is the correct output.
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