CS302 MID TERM SOLVED MCQs || PAST PAPERS || GROUP-1 || DIGITAL LOGIC DESIGN || VuTech
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CS302
Digital Logic Design
Solved Mid Term Past Papers
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MCQs
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Group-1
Question No: 1
(A + B).(A + C) = ________
a) B + C
b) A + BC
c) AB + C
d) AC + B
Correct Answer:
The correct answer is 'b'.
Question No: 2
Excess-8 code assigns ________ to "-8".
a) 1110
b) 1100
c) 1000
d) 0000
Correct Answer:
The correct answer is 'd'.
Question No: 3
The output of the expression F = A.B.C will be Logic ________ when A = 1, B = 0, C = 1.
a) Undefined
b) One
c) Zero
d) No Output as input is invalid
Correct Answer:
The correct answer is 'c'.
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Question No: 4
The cell marked 6 in 4-variable K-Map represent minterm 6 or the maxterm 6 having the following binary value of variables A, B, C and D.
a) A = 1, B = 1, C = 0, D = 0
b) A = 0, B = 1, C = 1, D = 0
c) A = 0, B = 0, C = 1, D = 1
d) A = 1, B = 0, C = 0, D = 1
Correct Answer:
The correct answer is 'b'.
Question No: 5
A comparator circuit has multiple inputs and _______ outputs.
a) 2
b) 3
c) 4
d) 7
Correct Answer:
The correct answer is 'b'.
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Question No: 6
The output A < B is set to 1 when the input combinations is ___________ .
a) A = 10, B = 01
b) A = 11, B = 01
c) A = 01, B = 01
d) A = 01, B = 10
Correct Answer:
The correct answer is 'd'.
Question No: 7
The _________ Encoder is used as a keypad encoder.
a) 2-to-8 encoder
b) 4-to-16 encoder
c) BCD-to-Decimal
d) Decimal-to-BCD Priority
Correct Answer:
The correct answer is 'd'.
Question No: 8
Using multiplexer as parallel to serial converter requires _______ connected to the multiplexer.
a) A parallel to serial converter circuit
b) A counter circuit
c) A BCD to Decimal decoder
d) A 2-to-8 bit decoder
Correct Answer:
The correct answer is 'a'.
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Question No: 9
The four outputs of two 4-input multiplexers, connected to form a 16-input multiplexer, are connected together through a 4-input ______ gate.
a) AND
b) OR
c) NAND
d) XOR
Correct Answer:
The correct answer is 'b'.
Question No: 10
GAL is an acronym for ________ .
a) Generic Analysis Logic
b) Giant Array Logic
c) General Array Logic
d) Generic Array Logic
Correct Answer: