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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 2 of 5

Explore more Topics under Digital Logic Design

Q11.
Half subtractor have an output to specify that 1 has been?

a.

complemented

b.

borrowed

c.

carried

d.

primed

Discuss
Answer: (b).borrowed
Q12.
Logic gates takes input signals and generates signals to

a.

within gate

b.

input

c.

output

d.

both a and b

Discuss
Answer: (c).output
Q13.
For code conversion how many bits are required for BCD input and Excess-3 outputs?

a.

3 inputs and 2 outputs

b.

4 inputs and 4 outputs

c.

4 inputs and 3 outputs

d.

None

Discuss
Answer: (b).4 inputs and 4 outputs
Q14.
Two bit subtraction is done by

a.

Demultiplexer

b.

Multiplexer

c.

full subtract or

d.

half subtract or

Discuss
Answer: (d).half subtract or
Q15.
Dual of the NAND function is

a.

AND function

b.

OR function

c.

NOR function

d.

NAND function

Discuss
Answer: (c).NOR function
Q16.
Besides NAND gate universal gate is

a.

AND gate

b.

OR gate

c.

NOR gate

d.

XOR gates

Discuss
Answer: (c).NOR gate
Q17.
The most basic arithmetic function is

a.

addition

b.

subtraction

c.

multiplication

d.

division

Discuss
Answer: (a).addition
Q18.
Variable in Boolean expressions can be expressed as

a.

primed

b.

unprimed

c.

even

d.

both a and b

Discuss
Answer: (d).both a and b
Q19.
Circuit that is said to be universal gate is

a.

AND

b.

OR

c.

NAND

d.

XOR

Discuss
Answer: (c).NAND
Q20.
The connection from output to one of input gate is

a.

undefined

b.

shifted

c.

feedback

d.

wire

Discuss
Answer: (c).feedback
Page 2 of 5

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