Top 350+ Solved Digital Electronics and Logic Design MCQ Questions Answer
Q. Karnaugh map is used for the purpose of
a. reducing the electronic circuits used.
b. to map the given boolean logic function.
c. to minimize the terms in a boolean expression.
d. to maximize the terms of a given a boolean expression.
Q. How many two input AND gates and two input OR gates are required to realize Y = BD+CE+AB
a. 11
b. 42
c. 32
d. 23
Q. The dynamic hazard problem occurs in
a. combinational circuit alone
b. sequential circuit only
c. both (a) and (b)
d. none of these
Q. The clock signals are used in sequential logic circuits to
a. tell the time of the day
b. tell how much time has elapsed since the system was turned on
c. carry parllel data signals
d. synchroniz e events in various parts of system
Q. A shift register can be used for
a. digital delay line
b. serial to parallel conversion
c. parallel to serial conversion
d. all of these
Q. Popular application of flip-flop are
a. transfer register
b. shift registers
c. counters
d. all of these
Q. For which of the following flip-flops, the output is clearly defined for all combinations of two inputs ?
a. q type flip-flop
b. r-s flip-lop
c. j-k flip-lop
d. d flip-flop