Computer Number System

We know and use Decimal Number System in our day to day life.  Though daily we use computers, we may not think much about how computers understand numbers and their internals.  Looks like school day topics. But it's always good to refresh few basics.


We know Binary, Octal, Hexa Decimal etc.  Let's get into more details....


http://en.wikipedia.org/wiki/Computer_numbering_formats  


It covers 
00010111101010
01237635265376
3637ABCDEF8738


Happy Numbering...Number represents God?

• 1 Bits, bytes, nibbles, and unsigned integers
  • 1.1 Bits
  • 1.2 Bytes
  • 1.3 Nibbles
  • 1.4 Why binary?
• 2 Octal and hex number display
  • 2.1 Converting between bases
• 3 Representing signed integers in binary
  • 3.1 Sign-magnitude
  • 3.2 Ones' complement
  • 3.3 Two's complement
• 4 Representing fractions in binary
  • 4.1 Fixed-point numbers
  • 4.2 Floating-point numbers
• 5 Numbers in programming languages
• 6 See also
• 7 Notes and references
• 8 External links