The Multiplexer

https://www.electronics-lab.com/article/the-multiplexer/

The Multiplexer The Multiplexer or MUX is a combinational logic circuit that connects one of the several input lines to a single output line. It is a combinational logic circuit and, as such, it is memoryless, without storage, and feedback involved. The multiplexer’s output is solely dependent on the information present on its input lines. […]