Computer Number System

Number System

 The number system is something we use every day to complete our tasks and routine activities. For this, we have a system in place with unique symbols and specific values. This system becomes what we call a number system helping us calculate everything.

The basic features of a number system are – unique symbols, consistency, comparable value results and are easy to reproduce. The Decimal system remains the most basic system used by humans with a base power of 10 but the same things can’t go for machines as well. 

There are four number systems that a computer supports. They are – 

  1. Binary
  2. Octal
  3. Decimal
  4. Hexadecimal

S.No.Number SystemDescriptionExample
1Binary Number System
  • Base 2. 
  • Digits used: 0, 1
11010
2Octal Number System
  • Base 8. 
  • Digits used: 0 to 7
125708 
3Hexadecimal Number System
  • Base 16. 
  • Digits used: 0 to 9
  • Letters used: A- F
27FB
4Decimal Number System
  • Base 10.
  • Digits used: 0 to 9
1234

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