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Digital Electronics

Number System 


What is the number system?
  • It can be defined as the language of a number.
  • In digital electronics, the number system is used for representing the information.
Basically no system are two types
  1. Positional number system 
  2. Non-Positional number system 
Positional number system: Positional number system also known as "weighted number ".
It is the number system in which each position have some weight.
              
The weighted number system are:
  • Binary Number System.
  • Decimal Number System.
  • Octal Number System.
  • Hexa Decimal Number System.
The Weighted number are classified based on Radix or Base value.
If the number is 'x' and the radix or base is 'r' then the number is represented as (x)r

NOTE: Depending upon the value of "r" we decide the type of number system of "x" 




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