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Byte

Byte

In computing a byte is the basic unit of storage. A byte is a logical collection of 8 binary bits. A byte can therefore store a single integer value from 0 to 255. Collections of bytes can store larger number ranges or be used to represent other forms of data.

Half a byte is a nibble, other common names given to collections of bytes are:

Name	Number of bytes
nibble	2-1	0.5
byte	20	1
word	21 or 22	2 or 4
dword	22	4
kilobyte	210	1024
megabyte	220	1,048,576
gigabyte	230	1,073,741,824
terabyte	240	1,099,511,627,776
petabyte	250	1,125,899,906,842,624
exabyte	260	1,152,921,504,606,846,976
zettabyte	270	1,180,591,620,717,411,303,424
yottabyte	280	1,208,925,819,614,629,174,706,176

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