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Tuesday, October 5, 2010

Measurement of Hard disk

Binary language.

The Computer works with binary numbers. Binary means two. Binary numbers consists of only two digits. These 0 and 1. Each number is represent  a pulse inside computer. 1 is represent by a pulse of electricity and 0 by an absence of a pulse. Each binary digit is called a bit. A bit is short for binary integer.
A combination of 4 bits is called nibble.

According to Sir Faheem Abbas:

A bit is consist on two nibs.

2 nibs                                 =1 bit
    8 bits                                  = 1 byte
            1024 bytes                         = 1 kilo bytes
             1024 kilo bytes                   = 1 mega byte
            1024 mega bytes                = 1 gaga byte
           1024 gaga byte                    =1 Tera byte
           1024 tera byte                     = 1 peta byte
           1024 peta byte                   = 1 Exa byte




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