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Welcome to the Combinational Logics MCQs Page

Dive deep into the fascinating world of Combinational Logics with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Combinational Logics, a crucial aspect of Digital Logic Design. In this section, you will encounter a diverse range of MCQs that cover various aspects of Combinational Logics, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Digital Logic Design.

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Check out the MCQs below to embark on an enriching journey through Combinational Logics. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Digital Logic Design.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Combinational Logics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Combinational Logics MCQs | Page 1 of 5

Explore more Topics under Digital Logic Design

Q1.
Code conversion circuits mostly uses

a.

AND-OR gates

b.

AND gates

c.

OR gates

d.

XOR gates

Discuss
Answer: (a).AND-OR gates
Q2.
Full Adder combinational circuits has 3 inputs and

a.

2 outputs

b.

1 output

c.

3 outputs

d.

None

Discuss
Answer: (d).None
Q3.
The NOR function is the dual of

a.

AND function

b.

OR function

c.

XOR function

d.

NAND function

Discuss
Answer: (d).NAND function
Q4.
Designing combinational circuit involves

a.

4 steps

b.

5 steps

c.

6 steps

d.

8 steps

Discuss
Answer: (c).6 steps
Q5.
Half adder circuits requires two binary

a.

Inputs

b.

Outputs

c.

Digits

d.

Both a and b

Discuss
Answer: (d).Both a and b
Q6.
The subtraction of two binary numbers is accomplished by taking complement of Subtrahend and adding into

a.

output

b.

subtract or

c.

Minuend

d.

remainder

Discuss
Answer: (c).Minuend
Q7.
Circuits that employs memory elements in addition to gates is called

a.

combinational circuit

b.

sequential circuit

c.

combinational sequence

d.

series

Discuss
Answer: (b).sequential circuit
Q8.
When both inputs are 1, the output of XOR is

a.

1

b.

0

c.

x

d.

10

Discuss
Answer: (b).0
Q9.
The simplified expression of full adder carry is

a.

c=xy+xz+yz

b.

c=xy+xz

c.

c=xy+yz

d.

c=x+y+z

Discuss
Answer: (a).c=xy+xz+yz
Q10.
Practical design procedure have some

a.

gates

b.

circuits

c.

constraints

d.

protocols

Discuss
Answer: (c).constraints
Page 1 of 5

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