Sector

From Wikipedia, the free encyclopedia

A sector is a part of a whole. As a well the specific usages below, it can also be used metaphorically, referring to a generic piece or portion of something.

• sector can refer to a geographic subdivision, zone, region, area, especially one that is assigned to a military control. For example, Allied Occupation Zones in Germany.
• In Code Lyoko, a sector is any of the five places that one can go to in the virtual world of Lyoko.
• In Euclidean plane geometry, a sector is a "pie-shaped" part of a disk enclosed by two radii and an arc. In the special case of the circle being divided into 2 equal sectors, they are called halves; divided into 4 equal sectors, they are called quadrants; divided into 8 equal sectors, they are called octants.
• In computing, a disk sector is a subdivision of disk space.
• In economics, economic activity is often categorised into sectors, in a variety of schemes. For example private sector vs public sector; service sector vs manufacturing sector; primary sector/ secondary sector/ tertiary sector.
• In Formula 1, a sector is a section of the track defined for timing purposes. There are usually 2 or 3 sectors on a track.
• In a mobile phone network, a sector is a small part of the network's radio coverage area, served by a set of antennas and equipment at a cell site.
• A Sector is a mathematical instrument consisting of two hinged arms with various scales
• Sector is an unincorporated community in West Virginia, in the United States.
• Sector (Star Trek)