In order to implement a \(n\) variable switching function, a MUX must have :

2009

In order to implement a \(n\) variable switching function, a MUX must have :

  1. A.

    \(2^n\) inputs

  2. B.

    \(2^n+1\) inputs

  3. C.

    \(2^{n-1}\) inputs

  4. D.

    \(2^n-1\) inputs

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Correct answer: A

An n-variable switching function is implemented using a MUX with 2^(n-1) data inputs and n-1 select lines. This standard configuration minimizes hardware while covering all variable combinations.

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