Question: Which of the following is NOT a type of multiplexer?

Options:

1. 2-to-1 multiplexer
2. 4-to-1 multiplexer
3. 8-to-1 multiplexer
4. 1-to-4 multiplexer

Correct Answer: 1-to-4 multiplexer

Solution:

A 1-to-4 multiplexer is not a standard type; multiplexers typically have more inputs than outputs.