Top 550+ Solved Digital Principles and System Design MCQ Questions Answer
Q. The decimal equivalent of the excess-3 number 110010100011.01110101 is
a. 970.42
b. 1253.75
c. 861.75
d. 1132.87
Q. In boolean algebra, the OR operation is performed by which properties?
a. associative properties
b. commutative properties
c. distributive properties
d. all of the mentioned
Q. The expression for Absorption law is given by
a. a + ab = a
b. a + ab = b
c. ab + aa’ = a
d. a + b = b + a
Q. DeMorgan’s theorem states that
a. (ab)’ = a’ + b’
b. (a + b)’ = a’ * b
c. a’ + b’ = a’b’
d. (ab)’ = a’ + b
Q. expressions can be implemented using either (1) 2-level AND-OR logic circuits or (2) 2-level NAND logic circuits.
a. pos
b. literals
c. sop
d. pos
Q. The K-map based Boolean reduction is based on the following Unifying Theorem: A + A’ = 1.
a. impact
b. non impact
c. force
d. complementarity
Q. Each product term of a group, w’.x.y’ and w.y, represents the in that group.
a. input
b. pos
c. sum-of-minterms
d. sum of maxterms
Q. The prime implicant which has at least one element that is not present in any other implicant is known as
a. essential prime implicant
b. implicant
c. complement
d. prime complement
Q. Product-of-Sums expressions can be implemented using
a. 2-level or-and logic circuits
b. 2-level nor logic circuits
c. 2-level xor logic circuits
d. both 2-level or-and and nor logic circuits
Q. Each group of adjacent Minterms (group size in powers of twos) corresponds to a possible product term of the given
a. function
b. value
c. set
d. word
Q. Don’t care conditions can be used for simplifying Boolean expressions in
a. registers
b. terms
c. k-maps
d. latches