Sector
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sector".

Look up sector in Wiktionary, the free dictionary.

Sector may refer to:

• Sector, Devon, a location in the county of Devon in south-western England
• Sector, West Virginia, an unincorporated community in Hampshire County, West Virginia, United States of America
• Sector (economic): one of several subdivisions in an economic system (used for analysis and classification)
• Sector (instrument), also known as a "proportional compass" or "military compass", a calculating instrument consisting of two rulers (of equal length) joined by a hinge
• Sector (navigation): one of three areas relative to a shallow-water navigational channel
• Circular sector, also known as a "pie piece", the portion of a circle enclosed by two radii and an arc
• United States Coast Guard Sectors, a shore-based operational unit of the United States Coast Guard
• "SECTOR", a United States nationwide radio network operated by the U.S. Immigration and Customs Enforcement
• a subdivision of a mobile phone network cell illuminated by a single directional antenna

in computing:

• Cylinder-head-sector (or "CHS"), an early method for giving addresses to each physical block of data on a hard drive
• Disk sector, a physical subdivision of space on a computer disk-storage medium, specifically a subdivision of a "track"
• in portal rendering, a convex polygonal segment of map-space used to facilitate calculation of the visibility of objects in a computer display

geographic subdivisions generally referred to as "sectors":

• Guinea-Bissau: Sectors of Guinea-Bissau

fictional uses:

• Sector (Star Trek), a fictional area of space-designation used in the Star Trek universe for interstellar navigation

See also

• Zone
• Region
• Area

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