A multiplexer with a 4-bit data select input is a

1998

A multiplexer with a 4-bit data select input is a

  1. A.

    4:1 multiplexor

  2. B.

    2:1 multiplexor

  3. C.

    16:1 multiplexor

  4. D.

    8:1 multiplexor

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Correct answer: C

A multiplexer uses n select lines to choose from 2^n data inputs. With a 4-bit select input, the calculation is 2^4 = 16 data inputs. Therefore, this configuration creates a 16:1 multiplexer.

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