System Of Number

1.Binary Number System:
It uses two different Symbol 0 and 1 here0 represents off,no,negative,false etc and 1 represent on,yes,positive,true etc.It constant base is 2.The positional weight increase into power of 2 The positional weight increase into power of 2 by unity.for example (0110)2 0,1,10,11,100 etc.

2.Decimal Number System:
It uses 10 different digits.They are 0-9.Its constant base is 10.The positional weight increase into the power of 10 by Unity.

3.Octal Number System:
It uses 8 different digits they are 0 to 7.Its constant base is 8 and the positional weight increase into the power of 8 by unity.For example (2,3,4)8,(421)etc.

4.Hexa Decimal Number System:
It uses 16 different digits.They are 0-9.A-F,Here A means 10,B=11,C=12,D=13,E=14 and F=15.Its constant base is 16 and the positional weight increase into power of 16 by unity.