Peta
From Wikipedia, the free encyclopedia.
For the bread, see: pita.
Peta (symbol: P) is a prefix in the SI system of units denoting 1015, or 1 000 000 000 000 000.
In computer science peta can mean 1 125 899 906 842 624 (10245 or 250), instead of 1 000 000 000 000 000, especially when used to prefix the byte, giving a petabyte.
PETA is an organization: People for the Ethical Treatment of Animals
