Top 350+ Solved Digital Logic Circuits (DLC) MCQ Questions Answer
Q. A modulus-10 counter must have _
a. 10 flip-flops
b. 4 flip-flops
c. 2 flip-flops
d. synchronous clocking
Q. The designation means that the
a. up count is active-high, the down count is active-low
b. up count is active-low, the down count is active-high
c. up and down counts are both active-low
d. up and down counts are both active-high
Q. The full form of SIPO is
a. serial-in parallel-out
b. parallel-in serial-out
c. serial-in serial-out
d. serial-in peripheral-out
Q. How can parallel data be taken out of a shift register simultaneously?
a. use the q output of the first ff
b. use the q output of the last ff
c. tie all of the q outputs together
d. use the q output of each ff
Q. What is meant by parallel load of a shift register?
a. all ffs are preset with data
b. each ff is loaded with data, one at a time
c. parallel shifting of data
d. all ffs are set with data
Q. What will be the 4-bit pattern after the second clock pulse? (Right-most bit first)
a. 1100
b. 0011
c. 0000
d. 1111
Q. In digital logic, a counter is a device which
a. counts the number of outputs
b. stores the number of times a particular event or process has occurred
c. stores the number of times a clock pulse rises and falls
d. counts the number of inputs
Q. A counter circuit is usually constructed of
a. a number of latches connected in cascade form
b. a number of nand gates connected in cascade form
c. a number of flip-flops connected in cascade
d. a number of nor gates connected in cascade form
Q. Ripple counters are also called
a. ssi counters
b. asynchronous counters
c. synchronous counters
d. vlsi counters
Q. Synchronous counter is a type of
a. ssi counters
b. lsi counters
c. msi counters
d. vlsi counters