Multiple choice

A four variable logic expression can be realized using which multiplexer?

  1. 16:1

  2. 8:1

  3. 4:1

  4. 32:1
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A Correct answer
Explanation

A four-variable logic expression has 2^4 = 16 possible combinations (minterms). A 16:1 multiplexer can realize any 4-variable function by connecting each minterm to the corresponding input line and using the 4 variables as select lines.

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