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Welcome to the Digital Components MCQs Page

Dive deep into the fascinating world of Digital Components with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Digital Components, a crucial aspect of Computer Architecture. In this section, you will encounter a diverse range of MCQs that cover various aspects of Digital Components, 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 Computer Architecture.

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Check out the MCQs below to embark on an enriching journey through Digital Components. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Architecture.

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

Digital Components MCQs | Page 2 of 12

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Q11.
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

a.

words, high

b.

bytes, low

c.

bytes, high

d.

character, low

Discuss
Answer: (a).words, high
Q12.
The functional difference between SR flip-flop and JK flip-flop is that

a.

JK flip-flop is faster than SR flip-flop

b.

JK flip-flop has a feed back path

c.

JK flip-flop accepts both inputs 1

d.

JK flip-flop does not require external clock

Discuss
Answer: (c).JK flip-flop accepts both inputs 1
Q13.
With an RS latch a high S and low R sets the output to _____ ; a low S and a high R _____ the output to low.

a.

No change, set

b.

Race, high

c.

high, reset

d.

set, reset

Discuss
Answer: (c).high, reset
Q14.
Flip-flop outputs are always

a.

complimentary

b.

the same

c.

independent of each other

d.

same as inputs

Discuss
Answer: (a).complimentary
Q15.
A NOR gate has two or more input signals. All input must be _____ to get a high output.

a.

low

b.

high

c.

some low some high

d.

1's

Discuss
Answer: (a).low
Q16.
An inverter is also called a _____ gate.

a.

NOT

b.

OR

c.

AND

d.

NAND

Discuss
Answer: (a).NOT
Q17.
With a NAND latch a low R and a low S produce a _____ condition.

a.

race

b.

set

c.

reset

d.

no change

Discuss
Answer: (a).race
Q18.
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

a.

X + Y + Z

b.

XY + YZ

c.

X + YZ

d.

XZ + Y

Discuss
Answer: (c).X + YZ
Q19.
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

a.

AND

b.

XAND

c.

XOR

d.

NOR

Discuss
Answer: (a).AND
Q20.
A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as

a.

encoder

b.

decoder

c.

multiplexer

d.

demultiplexer

Discuss
Answer: (c).multiplexer
Page 2 of 12

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