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Welcome to the Number System MCQs Page

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

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Check out the MCQs below to embark on an enriching journey through Number System. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of IT Fundamentals.

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

Number System MCQs | Page 3 of 32

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Q21.
Which of the following is not a decimal number?

a.

114

b.

43.47

c.

99.9A

d.

10101

Discuss
Answer: (c).99.9A
Q22.
Select the incorrect option :

a.

(101)10 = (1100101)2

b.

G is valid in hexadecimal system.

c.

C represents 12

d.

The base of a decimal number system is 10.

Discuss
Answer: (b).G is valid in hexadecimal system.
Q23.
Which of the following is not a positional number system?

a.

Roman Number System

b.

Octal Number System

c.

Binary Number System

d.

Hexadecimal Number System

Discuss
Answer: (a).Roman Number System
Q24.
The value of radix in binary number system is _____________

a.

2

b.

8

c.

10

d.

1

Discuss
Answer: (a).2
Q25.
The binary equivalent of the decimal number 10 is __________

a.

0010

b.

10

c.

1010

d.

010

Discuss
Answer: (c).1010
Q26.
A computer language that is written in binary codes only is _____

a.

machine language

b.

C

c.

C#

d.

pascal

Discuss
Answer: (a).machine language
Q27.
The octal equivalent of 1100101.001010 is ______

a.

624.12

b.

145.12

c.

154.12

d.

145.21

Discuss
Answer: (b).145.12
Q28.
The input hexadecimal representation of 1110 is _______________

a.

0111

b.

E

c.

15

d.

14

Discuss
Answer: (b).E
Q29.
A bit in a computer terminology means either 0 or 1.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q30.
Convert the binary equivalent 10101 to its decimal equivalent.

a.

21

b.

12

c.

22

d.

31

Discuss
Answer: (a).21
Page 3 of 32

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