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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 10 of 16

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Q91.
What will be the result in BCD form if two binary numbers 599 and 984 are added?

a.

1583

b.

8513

c.

8421

d.

None of the above

Discuss
Answer: (a).1583
Q92.
To convert _____________, write the number to be converted, placing each digit under the proper position.

a.

Any base to decimal base

b.

Hexadecimal number to decimal base

c.

Decimal base to octal base

d.

Octal base to decimal base

Discuss
Answer: (d).Octal base to decimal base
Q93.
In which type of conversion, binary numbers can be converted into equivalent octal numbers by making groups of three bits starting from the LSB, moving towards the MSB of the number and then replacing each group of three bits by its octal representation.

a.

Conversion of decimal fraction to any base

b.

Conversion from decimal base to any base

c.

Direct conversion from binary to hexadecimal

d.

Direct conversion from binary to octal

Discuss
Answer: (d).Direct conversion from binary to octal
Q94.
In subtraction of binary numbers, if the subtrahend digit is greater than the minuend, then borrow from a __________ significant bit.

a.

Lower

b.

Higher

c.

First

d.

None of the above

Discuss
Answer: (b).Higher
Q95.
Which of the following cases leads to the overflow condition in addition using 2’s complement?

a.

Addition of two positive numbers, which results in sum ≥ 2^(n-1)

b.

Addition of two positive numbers, which results in sum < 2^(n–1)

c.

Addition of two negative numbers, |sum| ≤ 2^(n–1)

d.

Addition of two negative numbers, |sum| > 2^(n–1)

Discuss
Answer: (a).Addition of two positive numbers, which results in sum ≥ 2^(n-1)
Q96.
Which of the following case is known as end-around carry addition?

a.

Addition of two positive numbers, which results in sum ≥ 2^(n-1)

b.

Addition of two positive numbers, which results in sum < 2^(n–1)

c.

Addition of positive and negative numbers (–ve number largest magnitude)

d.

Addition of positive and negative numbers (+ve number largest magnitude)

Discuss
Answer: (d).Addition of positive and negative numbers (+ve number largest magnitude)
Q97.
In, subtraction of positive numbers using radix complement representation (M – N), If number of digits are not same in M and N how can you make them equal?

a.

By appending 1 at the end

b.

By appending 1 at the beginning

c.

By appending 0 at the beginning

d.

By appending 0 at the end

Discuss
Answer: (c).By appending 0 at the beginning
Q98.
Which sign bit is used for representing the positive sign in floating point representation?

a.

0

b.

1

c.

Either a or b

d.

None of the above

Discuss
Answer: (a).0
Q99.
For every x, y in B,
n x + y = y + x
n x. y = y. x

a.

Commutative Law

b.

Complement

c.

Closure

d.

None of the above

Discuss
Answer: (a).Commutative Law
Q100.
Every valid Boolean expression (equality) remains valid if the operators and identity elements are interchanged.

a.

Distributive Law

b.

Complement

c.

Duality Principle

d.

None of the above

Discuss
Answer: (c).Duality Principle
Page 10 of 16

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