| a | b | c | d | X |
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 1 | 1 |
When any input is one, output is one, hence the gate is 'OR' gate.
JEE Main 2016 — Physics Modern Physics
If a, b, c, d are inputs to a gate and x is its output, then, as per the following time graph, the gate is:
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Held on 3 Apr 2016 · Verified 6 Jul 2026.
OR
NAND
NOT
AND
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