Computer Science Ques 351

Question: The number of input lines required for a 8 to 1 multiplexes is

Options:

A) 1

B) 8

C) 3

D) 256

E) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

  • If there are ’n’ selection lines, then the number of maximum possible input lines is 2n and the multiplexer is referred to as 2n - to ? 1 multiplexor. So, for 8 to 1 multiplier or 2 3 - to -1 multiplexer. There will be 3 selection lines and 23 = 8 input lines.
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