petabyte

1,024 terabytes.

Petabyte

One million megabytes, details ...
Found on http://www.cryer.co.uk/glossary/p/index.htm

petabyte

noun a unit of information equal to 1,024 terabytes
Found on https://www.encyclo.co.uk/local/20974

petabyte

petabyte (Pb) 1. A unit of computer memory or data storage capacity equal to 1 024 terabytes. 2. One quadrillion bytes. A typewritten page is said to have about 2 000 bytes of data per side; therefore, a megabyte represents a 500 text page per side and a petabyte would be 500 billion pages.
Found on http://www.wordinfo.info/words/index/info/view_unit/1616/

Petabyte

The petabyte (symbol PB) is 1015 bytes of digital information. A related unit, the pebibyte (PiB), using a binary prefix, is 10245 = 250 = {gaps|1|125|899|906|842|624|bytes}, more than 12% larger. The prefix peta indicates the fifth power of 1000 and means 1015 in the International System of Units (SI), and therefore 1 petabyte is one quadrillion ...
Found on http://en.wikipedia.org/wiki/Petabyte
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