Question 26

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:

Solution

The analysis shows that the output $$x$$ is $$1$$ whenever any one of the inputs is $$1$$. The output was $$0$$ only when all inputs were simultaneously $$0$$. This behavior perfectly matches the truth table of an OR gate.

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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:

Solution

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