How many select lines are required for an
8-to-1 multiplexer?
Asked In:
BPSC TRE 3.0
Options
A.
2
B.
3
C.
4
D.
More than one of the above
E.
None of the above
Correct Answer (Detailed Explanation is Below)
B.
3
Detailed Explanation
Correct Answer: (B) 3 The number of select lines required for a multiplexer is given by n = log₂(N), where N is the number of input lines. For an 8-to-1 MUX, log₂(8) = 3 select lines.