Friday, April 27, 2012

Bits and Bytes

Bit; a single value either consisting of  "0" or "1" within the binary numeral system, these values symbolizing state  of electrical conductivity of a pin on a IC ether being pulled up to the power supply ( 1 )or pulled down to the ground ( 0 ).

Byte; This is a sequence of bits that can represent something like a letter on a keyboard. When you press any letter on a computer keyboard the computer recognizes it as specific sequence of binary values.

 This example says test; 01110100 01100101 01110011 01110100
                                            t                 e               s             t

16=65536
-32767
 32767
32= 4294967296
-2147483647
2147483647

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