Test: Combinational Circuit- 1 - Computer Science Engineering (CSE) MCQ

# Test: Combinational Circuit- 1 - Computer Science Engineering (CSE) MCQ

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## 10 Questions MCQ Test GATE Computer Science Engineering(CSE) 2025 Mock Test Series - Test: Combinational Circuit- 1

Test: Combinational Circuit- 1 for Computer Science Engineering (CSE) 2024 is part of GATE Computer Science Engineering(CSE) 2025 Mock Test Series preparation. The Test: Combinational Circuit- 1 questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: Combinational Circuit- 1 MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Combinational Circuit- 1 below.
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Test: Combinational Circuit- 1 - Question 1

### The term Product-of-sum in Boolean algebra means

Detailed Solution for Test: Combinational Circuit- 1 - Question 1

The Product of Sum (POS) expression comes from the fact that two or more sums (OR's) are added (AND'ed) together. That is the outputs from two or more OR gates are connected to the input of an AND gate so that they are effectively AND'ed together to create the final (OR AND) output.

Test: Combinational Circuit- 1 - Question 2

### Which expression is computed by the following NAND-gate circuit diagram:

Detailed Solution for Test: Combinational Circuit- 1 - Question 2

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Test: Combinational Circuit- 1 - Question 3

### What is the Boolean expression for the following circuit:

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Test: Combinational Circuit- 1 - Question 4

A multiplexer is also known as

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In electronics, a multiplexer (or mux; spelled sometimes as multiplexor), also known as a data selector, is a device that selects between several analog or digital input signals and forwards the selected input to a single output line.

Test: Combinational Circuit- 1 - Question 5

The quantity 837 in excess-3 BCD code would be represented as

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The quantity 837 is first converted to BCD representation then it is incremented by 3 bit by bit.

Test: Combinational Circuit- 1 - Question 6

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A half adder is also known as XOR gate because XOR is applied to both inputs to produce sum.

Test: Combinational Circuit- 1 - Question 7

A comparison between serial and parallel adder reveals that serial order

Detailed Solution for Test: Combinational Circuit- 1 - Question 7

Comparison between serial and parallel adder reveals that serial adder is serial adder is a sequential circuit. A parallel adder is a combinational circuit. In serial adder, propagation delay is less. In parallel adder, propagation delay is present from input carry to output carry.

Test: Combinational Circuit- 1 - Question 8

How many full adders are needed to construct an m-bit parallel adder ;

Detailed Solution for Test: Combinational Circuit- 1 - Question 8

We can construct a m-bit parallel adder by,
iii) (2m - 1 ) full adders and (n - 1) OR GATES

Test: Combinational Circuit- 1 - Question 9

Identify the logic function performed by the circuit shown in the given figure:

Detailed Solution for Test: Combinational Circuit- 1 - Question 9

Therefore the above circuit performed exclusive NOR gate.

Test: Combinational Circuit- 1 - Question 10

The logic expression for the output of the circuit shown in the figure below is:

Detailed Solution for Test: Combinational Circuit- 1 - Question 10

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## GATE Computer Science Engineering(CSE) 2025 Mock Test Series

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