Number System and Conversion

Number System and Conversion

A number system is a method to represent numbers. There are 4 types of  number systems. They are:

1. Decimal Number System 

This number system is used in our day to day lives. 

The Decimal Number system contains digits from 0 to 9 . So the base of the decimal number system is 10.

Examples:

• (1234) ₁₀

• (89.10) ₁₀  

2. Binary Number System

The Binary Number system contains two digits 0 and 1 . So the base of the binary number system is 2.

Examples:

• (1010) ₂
• (111.101) ₂

3. Octal Number System 

The Octal Number system can contain digits from 0 to 7 . So the base of the octal number system is 8.

Examples:

• (561) ₈
• (12.167) ₈  

4. Hexadecimal Number System

The Hexadecimal Number system can contain digits from 0 to 9 and alphabets from A to F . So the base of the hexadecimal number system is 16.

Examples:

• (A89) ₁₆
• (CD.117) ₁₆