Number system

• Number system. --  Number system is a system in which different number can be represented by different ways. For example, in early days people used to count with the help of stones, fingers, etc. But in nowadays, numbers are represented depending upon the position of digit.
• Types of number systems                            1.) Decimal number system.                       2.) Binary number system.                          3.) octal number system.                           4.) hexadecimal  number system.