Top 550+ Solved Digital Principles and System Design MCQ Questions Answer
Q. How many NOT gates are required for the construction of a 4-to-1 multiplexer?
a. 3
b. 4
c. 2
d. 5
Q. In the given 4-to-1 multiplexer, if c1 = 0 and c0 = 1 then the output M is
a. x0
b. x1
c. x2
d. x3
Q. The full form of HDL is
a. higher descriptive language
b. higher definition language
c. hardware description language
d. high descriptive language
Q. The full form of VHDL is
a. very high descriptive language
b. verilog hardware description language
c. variable definition language
d. none of the mentioned
Q. VHSIC stands for
a. very high speed integrated circuits
b. very higher speed integration circuits
c. variable high speed integrated circuits
d. variable higher speed integration circuits
Q. VHDL is being used for
a. documentation
b. verification
c. synthesis of large digital design
d. all of the mentioned
Q. At high frequencies when the sampling interval is too long in a frequency counter
a. the counter works fine
b. the counter undercounts the frequency
c. the measurement is less precise
d. the counter overflows
Q. The output frequency related to the sampling interval of a frequency counter as
a. directly with the sampling interval
b. inversely with the sampling interval
c. more precision with longer sampling interval
d. less precision with longer sampling interval
Q. In an HDL application of a stepper motor, what is done next after an up/down counter is built?
a. build the sequencer
b. test it on a simulator
c. test the decoder
d. design an intermediate integer variable
Q. In a digital clock application, the basic frequency must be divided down as
a. 1 hz
b. 60 hz
c. 100 hz
d. 1000 hz
Q. What does the data signal do in the keypad application?
a. the row and column encoded data
b. the ring encoded data
c. the freeze locator data
d. the ring counter data
Q. When a key is pressed, what does the ring counter in the HDL keypad application do?
a. count to find the row
b. freeze
c. count to find the column
d. start the d flip-flop
Q. A step which should be followed in project management is known as
a. overall definition
b. system documentation
c. synthesis and testing
d. system integration