railway RRB Technician Grade 1 Mock Test 2024 Digital Electronics Combinational Circuits Multiplexer
The output f of and 4 ∶ 1 MUX shown in figure is
(x = S1, y = S0)
1
\(\rm \overline {xy} +x\)
2
x + y
3
\(\rm \overline x + \overline y\)
4
\(\rm xy + \overline x\)