3-3 Combinatorial Circuits

Question 1

I have a circuit that validates whether the bits in two words are equal. What gate is most efficient at comparing if two inputs are equal?

Answer 1

XOR

Question 2

The combinatorial circuit shown is a…

Answer 2

multiplexer

Question 3

I have a decoder with 4 input lines i0 through i3 and outputs o0 through o15. What will be the value of output o4 if I pass in input 0111 as the input number?

Answer 3

0

Question 4

A decoder circuit uses control lines to select a single output from a multiple inputs, such as a parallel to serial converter.

Answer 4

False