# Number System in Digital Logic

**Number System**is used to represent information in quantitative form,.

**Some Important type of Number System:-**

Binary Number System

Decimal Number System

octal Number System

Hexadecimal Number System

**Binary Number System:-**

In binary number system we have two digits 0 and 1.Computer represents all kinds of data and information in binary numbers.It includes audio , graphics , video , text and numbers.The base of binary number number system is 2.

Ex:- ( 101010 )2 Here, 2 is a base

**Decimal Number System:-**

Decimal number system has ten-digits represented by 0,1,2,3,4,5,6,7,8,9.Any decimal number can be represent by these digits and since there are ten-digits,therefore the base or radix of this number system is 10.

Ex:- (255)10

**Octal Number System:-**

An octal number system has eight-digits represented as 0,1,2,3,4,5,6,7. The base of octal number system is 8.

Ex:-(256)8

**Hexadecimal Number System:-**

The hexadecimal system has 16-digits , which are represented as 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F.The base of hexadecimal number system is 16.

Ex:-(9C2)16

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