Digital Principles and System Design MCQs | Page - 2

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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
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Q. DeMorgan’s theorem states that                    

(A) (ab)’ = a’ + b’
(B) (a + b)’ = a’ * b
(C) a’ + b’ = a’b’
(D) (ab)’ = a’ + b
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Mr. Dubey • 53.08K Points
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Q. Maxterm is the sum of                      of the corresponding Minterm with its literal complemented.

(A) terms
(B) words
(C) numbers
(D) nibble
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Mr. Dubey • 53.08K Points
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Q. There are                            Minterms for 3 variables (a, b, c).

(A) 0
(B) 2
(C) 8
(D) 1
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Mr. Dubey • 53.08K Points
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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
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Mr. Dubey • 53.08K Points
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Q. There are              cells in a 4-variable K-map.

(A) 12
(B) 16
(C) 18
(D) 8
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Mr. Dubey • 53.08K Points
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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
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Mr. Dubey • 53.08K Points
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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
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Mr. Dubey • 53.08K Points
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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
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Mr. Dubey • 53.08K Points
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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
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