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 :

• A. NOT
• B. AND
• C. OR
• D. NAND

Answer 1

Answer: (C)

$x$ is $1$ when at least one of the inputs is $1$. Hence $x$ is an $OR$-Gate