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Digital Electronics MCQ Questions & Answers | ECE

Learn Digital Electronics MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Digital Electronics MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-10 section-1

Each section contains 100 MCQs on Digital Electronics .
91
For CMOS implementation of 2 input XOR logic gate, how many nMOS and pMOS transistors are required?
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Answer & Solution
Answer: Option C
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92
The 9's complement of the decimal number 4567.86 is:
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Answer & Solution
Answer: Option D
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93
What is output 'Z' of an EX-OR gate, where all inputs are set at $$\overline {\text{A}} $$
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Answer & Solution
Answer: Option D
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94
The dual of A + B + C is
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Answer & Solution
Answer: Option A
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95
The counter that has a modulus of 64 should use a minimum of
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Answer & Solution
Answer: Option A
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96
Consider a multiplexer with X and Y as data inputs and Z as control input. Z = 0 selects input X and Z = 1 selects input Y. What are the connections required to realize the 2-variable Boolean function f = T + R, without using any additional hardware?
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Answer & Solution
Answer: Option A
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97
The size of PROM needed to implement a dual 8-to-1 multiplexer with common selection inputs would be
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Answer: Option B
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98
What are the counting states (Q1, Q2) for the counter shown in the figure below?
Digital Electronics mcq question image
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Answer: Option A
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99
Given below are three types of converters:
1. Successive approximation type
2. Weighted resistor type
3. R-2R ladder type
Which of these type are D to A converters?
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Answer & Solution
Answer: Option B
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100
Find the equivalent binary value of (36.75)10
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Answer: Option C
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