engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Digital Logic Combinational Circuits Multiplexer
Consider the two cascaded 2-to-1 multiplexers as shown in the figure:
The minimal sum of products form of the output X is
1
\(Q'R + P'Q + PQR \)
2
\(P + Q'R'\)
3
\(Q'R + P'Q\)
4
\(Q'R + PQR'\)