Top 350+ Solved Digital Logic Circuits (DLC) MCQ Questions Answer
Q. A variable on its own or in its complemented form is known as a
a. product term
b. literal
c. sum term
d. word
Q. Why is a demultiplexer called a data distributor?
a. the input will be distributed to one of the outputs
b. one of the inputs will be selected for the output
c. the output will be distributed to one of the inputs
d. single input gives single output
Q. Most demultiplexers facilitate which type of conversion?
a. decimal-to-hexadecimal
b. single input, multiple outputs
c. ac to dc
d. odd parity to even parity
Q. In a multiplexer the output depends on its
a. data inputs
b. select inputs
c. select outputs
d. enable pin
Q. Which IC is used for the implementation of 1-to-16 DEMUX?
a. ic 74154
b. ic 74155
c. ic 74139
d. ic 74138
Q. The word demultiplex means
a. one into many
b. many into one
c. distributor
d. one into many as well as distributor
Q. Why is a demultiplexer called a data distributor?
a. the input will be distributed to one of the outputs
b. one of the inputs will be selected for the output
c. the output will be distributed to one of the inputs
d. single input to single output
Q. In a multiplexer the output depends on its
a. data inputs
b. select inputs
c. select outputs
d. enable pin