Which type of multiplexer has 5 selection lines?

2022

Which type of multiplexer has 5 selection lines?

  1. A.

    5 × 1 MUX

  2. B.

    32 × 1 MUX

  3. C.

    32 × 5 MUX

  4. D.

    1 × 5 MUX

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Correct answer: B

A multiplexer with n selection lines supports 2^n input channels. With 5 selection lines, the calculation is 2^5, which equals 32 total inputs. This configuration corresponds to a standard 32 × 1 MUX.

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