Question 173: Semiconductors and Logic Gates

Question

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 :

Accepted Answer

In case of an $$'OR'$$  gate the input is zero when all inputs are zero. If any one input is $$'1',$$ then the output is $$'1'.$$

Answer

$$OR$$

Answer

$$NAND$$

Answer

$$NOT$$

Answer

$$AND$$

Semiconductors and Logic Gates