Question

What are disadvantages of multiplexer

Answer 1

Disadvantages:

.Added delays in switching ports.

.Added delays in I/O signals propagating through the multiplexer.

.Limitations on which ports can be used simultaneously.

.Added firmware complexity to handle switching ports.

.Extra I/O ports required to control the multiplexer.

.None too severe, but definitely a tradeoff.

.May it helps you.