# Number System MCQs with Answers for Online Test Preparation

In this section of Computer Science MCQs, you will find Number System MCQs Multiple Choice Questions with Answers. All these Number System MCQs cover basics and advanced topics like the Decimal Numbers System, Binary Number System, Hexadecimal Number System, Octal Number System. These MCQs also include Conversion from one Number System to another.

All these Computer Science MCQs are helpful and important for computer science online test preparation like CSS, PMS, NTS, FPSC, KPPSC, SPSC, BPSC, ATS, and Computer Science Test.

## Number System MCQs for Online Test Preparation

1: A Number system having base 16 and 16 characters digits or symbols is known as __________.

• a) Decimal Number System
• b) Binary Number System
• d) Octal Number System

2: In Decimal Number System _________is the heighest value.

• a) 0
• b) 100
• c) 9
• d) 100

c) 9

3: The base of the Octal Number System is___________.

• a) 7
• b) 8
• c) 1
• d) 0

b) 8

4: (14)10 =(________)2

• a) (1010)2
• b) (1110)2
• c) (1111)2
• d) (0011)2

b) (1110)2

5:The Decimal Number System is also known as __________

• a) Natural Number System
• c) Integers
• d) None of these

a) Natural Number System

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6: Which of the following Number System is natural to electronic machines or devices?

• a) Binary Number System
• c) Octal Number System
• d) None of these

a) Binary Number System

7: Convert (125)10=(________)8

• a) (178)8
• b) (190)8
• c) (125)8
• d) (175)8

d) (175)8

8: If we convert the Hexadecimal Number (D2763)16to Decimal Number the result will be:

• a) (862051)10
• b) (855120)10
• c) (518520)10
• d) (152085)10

a) (862051)10

• a) (101100)2
• b) (100010)2
• c) (101010)2
• d) (110011)2

b) (100010)2

10: Convert the Octal Number (33.1)8 to Hexadecimal (_____)16

• a) (1A2)16
• b) (1D2)16
• c) (1E2)16
• d) (1B2)16

d) (1B2)16