- Is a device that allows information from several sources to be routed onto a single line for transmission.
- Also known as DATA SELECTOR
- It has several data-input lines and a single output line.
- It has data-select inputs
Multiplexer is very useful in application of the computer-controlled system design.
For example: Data Acquisition System (DAS)
Advantages of multiplexer
- Multiplexer reduces the circuit complexity
- Multiplexer eliminates duplication of circuitry
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