Question

30. What is a multiplexer?
O A. It is a type of decoder which decodes several inputs and gives one output
O B. A multiplexer is a device which converts many signals into one signal
O C. It takes one input
and results into many
output
O D. It is a type of encoder which decodes several inputs and gives one output​

Answer 1

Answer:

In electronics, a multiplexer (or mux; spelled sometimes as multiplexor), also known as a data selector, is a device that selects between several analog or digital input signals and forwards the selected input to a single output line. The selection is directed a separate set of digital inputs known as select lines.