# Number System

The number system is a method to count or calculate something.In our daily life, we are using the different type of number system.The most common number system is decimal number system.Some number systems are the octal number system, Hexadecimal number system, and binary number system.If u don’t have any information about number system, then u need to visit my post Number system Introduction.

Decimal and binary number system are very important to understand the IP Network and Basic Networking concepts.To understand the basic IP concept and its subnetting related concept, you need to get a good understanding of this conversion.

## Octal system

In octal number system, there are 08 members or digits: 0,1,2,3,4,5,6,7.

All calculation in this number system is done by these digits or their combinations.

## Hexadecimal system

In octal number system, there are 16 members or digits: 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F.

All calculation in this number system is done by these digits or their combinations.

## Binary System:

It has only two members or digits 1 and 0. All information in this system is a group or combination of these two members.

## Decimal System:

It has 10 members or digits 1,2,3,4,5,6,7,8,9,0.All information in this system is a group or combination of these members.