Question:
If $\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d}$ are inputs to a gate and $\mathrm{x}$ is its output, then as per the following time graph, the gate is
Correct Option: , 4
Solution:
Output of OR gate is 0 when all inputs are 0 \& output is 1 when atleast one of the input is 1 . Observing output $x$ :- It is 0 when all inputs are $0 \&$ it is 1 when atleast one of the inputs is $1 .$ $\therefore$ OR gate
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