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Welcome to the Computer Arithmetic MCQs Page

Dive deep into the fascinating world of Computer Arithmetic with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Computer Arithmetic, a crucial aspect of Computer Architecture. In this section, you will encounter a diverse range of MCQs that cover various aspects of Computer Arithmetic, 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 Computer Arithmetic. 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 Computer Arithmetic. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Computer Arithmetic MCQs | Page 6 of 16

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Q51.
Karnaugh map is used for the purpose of

a.

Reducing the electronic circuits used

b.

To map the given Boolean logic function

c.

To minimize the terms in a Boolean expression

d.

To maximize the terms of a given a Boolean expression

Discuss
Answer: (c).To minimize the terms in a Boolean expression
Q52.
The 2’s complement of the number 1101110 is

a.

0010001

b.

0010001

c.

0010010

d.

None of the above

Discuss
Answer: (c).0010010
Q53.
The decimal equivalent of Binary number 10101 is

a.

21

b.

31

c.

26

d.

28

Discuss
Answer: (a).21
Q54.
Divide overflow is generated when

a.

Sign of the dividend is different from that of divisor.

b.

Sign of the dividend is same as that of divisor.

c.

The first part of the dividend is smaller than the divisor.

d.

The first part of the dividend is greater than the divisor.

Discuss
Answer: (b). Sign of the dividend is same as that of divisor.
Q55.
Arithmetic shift left operation

a.

Produces the same result as obtained with logical shift left operation.

b.

Causes the sign bit to remain always unchanged.

c.

Needs additional hardware to preserve the sign bit.

d.

Is not applicable for signed 2's complement representation.

Discuss
Answer: (a).Produces the same result as obtained with logical shift left operation.
Q56.
The content of a 4-bit register is initially 1101. The register is shifted 2 times to the right with the serial input being 1011101.
What is the content of the register after each shift?

a.

1110, 0111

b.

0001, 1000

c.

1101, 1011

d.

1001, 1001

Discuss
Answer: (a).1110, 0111
Q57.
If a register containing data (11001100)2 is subjected to arithmetic shift left operation, then the content of the register after 'ashl' shall be

a.

(11001100)2

b.

(1101100)2

c.

(10011001)2

d.

(10011000)2

Discuss
Answer: (d).(10011000)2
Q58.
In addition of two signed numbers, represented in 2' s complement form generates an overflow if

a.

A. B = 0

b.

A = 0

c.

A ⊕ B = 1

d.

A + B = 1

Discuss
Answer: (c).A ⊕ B = 1
Q59.
Addition of (1111)2 to a 4 bit binary number 'a' results:-

a.

Incrementing A

b.

Addition of (F)H

c.

No change

d.

Decrementing A

Discuss
Answer: (c).No change
Q60.
Negative numbers cannot be represented in

a.

Signed magnitude form

b.

1's complement form

c.

2's complement form

d.

8-4-2-1 code

Discuss
Answer: (c).2's complement form
Page 6 of 16

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