Number system and its types

Number system
It is an organized and systematic way of representing number.
Types of Number System
1. Binary system
It is a number system with base digits 0 or 1.It can be written as subscripted B or 2.For example:(1001)B or (1001)2
2. Octal number system
It is a number system with base 8 and uses digits 0 to 7.It can be written as subscripted 0 or 8.For example:(205)0 or (205)8.
3. Decimal number system
It is number system with base 10 and use digits 0 to 9.It can be written as subscripted D or 10.For example:(158)10 or (268)D.
4. Idexa Decimal Number system
It is a number system with base 16 and use digits 0 to 9 and symbols A to F.It can be written as subscripted 16 or H.For example:(2AB)H or (ABC)16.