How Big is a Byte?
And other larger standards of measurement
A
Bit
is the smallest unit of
storage, storing just a 0
or 1.
A
[Kb]
A
Kilobyte
Byte
[Mb]
is 1024 bytes
– 2 or 3 pages
of text
A
[Gb]
A
Gigabyte
is 1024 megabytes - 341 digital pictures (with
3MB average file size) or 256 MP3 audio files
(with 4MB average file size)
Megabyte
is 1024 kilobytes – roughly 873 pages of text
A
[Tb]
is a sequence of 8 bits processed as a
single unit of information - 1 alphanumeric character. eg. an
‘A’ or a ‘1’
Terabyte
is 1024 gigabytes - 916 259 689 pages of text, 349
525 digital pictures, 262 144 MP3 audio files, 233
DVDs, 40 Blu-ray disks
A
Petabyte
[Pb]
is 1024 terabytes – equivalent to the memories of 800 human
beings (@1.25Tb ea), 2000 years of continuous music, the DNA of
the entire US population, 20 million four-drawer filing cabinets
filled with text
Sources:
http://www.computerhope.com/issues/chspace.htm
http://www.ft.com/intl/cms/s/2/bc7350a6-8fe7-11e2-ae9e-00144feabdc0.html#axzz3Df31L8zz
http://www.makeuseof.com/tag/memory-sizes-gigabytes-terabytes-petabytes/
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