Multiple choice

The minimum number of 2- to -1 multiplexers required to realize a 4- to -1 multiplexers is

  1. 1

  2. 2

  3. 3

  4. 4
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C Correct answer
Explanation

Number of MUX is $\dfrac{4}{3}$= 2 and $\dfrac{2}{2}$= 1 Thus, the total number 3 multiplexers is required.

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