Sector
In mathematics (geometry), a
sector is the "pie shaped" area of part of a circle enclosed by two radii and an arc.
In the context of computer hardware, a sector is a sub-division of a track of a magnetic
hard disk or optical disc.
A sector stores a fixed amount of data. The typical formatting of sectors allows holding 512 bytes of data.
See also
Sector can also be used metaphorically, referring to a generic piece or portion of something.
For example, in economics, analysis can divide the totality of economic
activity into sectors. See for example private sector, public sector, service
sector. A traditional breakdown identifies:
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