# sector

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## sector

1. Geometry either portion of a circle included between two radii and an arc. Area: ½r2θ, where r is the radius and θ is the central angle subtended by the arc (in radians)
2. a measuring instrument consisting of two graduated arms hinged at one end
3. Computing the smallest addressable portion of the track on a magnetic tape, disk, or drum store

## Sector

(1) A sector in the plane is a region bounded by two rays issuing from an interior point of a figure and by an arc of its boundary cut off by these rays. In particular, a sector of a circle is bounded by two radii and an arc cut off by the radii. The area of a sector of a circle is equal to lr/2 or πr2α /360, where l is the length of the arc, α is the central angle (in degrees) subtended by the arc, and r is the radius of the circle.

(2) A sector in space is the part of a solid bounded by a conical surface whose vertex is in the solid and by the part of the solid’s surface cut off by the conical surface. A spherical sector is an example of a sector in space.

## sector

[′sek·tər]
(computer science)
A portion of a track on a magnetic disk or a band on a magnetic drum.
A unit of data stored in such a portion.
(civil engineering)
A clearly defined area or airspace designated for a particular purpose.
(electromagnetism)
Coverage of a radar as measured in azimuth.
(mathematics)
A portion of a circle bounded by two radii and an arc joining their end points.
(meteorology)
Something resembling the sector of a circle, as a warm sector between the warm and cold fronts of a cyclone.

## sector

The smallest unit of data that is written to and read from a storage drive. The initial hard disk sector sizes were 128 and 256 bytes long but were later increased to 512. Eventually, sectors were enlarged to the "Advanced Format" size of 4,096 bytes. See cluster, sector interleave and magnetic disk.
References in periodicals archive ?
DE AYACUCHO Fortalecimiento de la cadena Productiva del Palto MINAG Fortalecimiento de la cadena productiva del Palto SIERRA EXPORTADORA Fortalecimiento de la cadena productiva del Palto GESTION PRODUCE Practicas modernas de gestion empresarial en las MYPEs MINAG Gestion para el desarrollo del agro PESCA Apoyo al desarrollo de la gestion empresarial GGRR Fortalecimiento de las capacidades de gestion Empresarial Fuente: Plan Agrario Sectorial Multianual 2012-2016, Plan Estrategico Sectorial de Energia y Minas Multianual 2008-2011 y Plan Estrategico Sectorial de Produccion Multianual 2011-2015.
Por ultimo, la Autoridad recomienda al gobierno clarificar el alcance juridico del codigo de la red--code du reseau-, que podria tomar la forma de una carta de compromiso voluntario entre los diferentes actores, sin alcance normativo, y con el fin de garantizar la independencia de la SNCF Red y la transparencia general de la regulacion sectorial.
2) y que dedica el Capitulo II a las Competencias de Rectoria Sectorial del Ministerio de Salud; y la Ley No 29158, Ley Organica del Poder Ejecutivo (7), que senala que los "Ministerios asumen la rectoria" y disenan, establecen, ejecutan y supervisan las politicas nacionales y sectoriales (LOPE, Art.
Con este fin, se presentan y discuten las cifras estadisticas que dan cuenta de las caracteristicas y tendencias de la inversion sectorial, y a partir de estas cifras se estiman los indicadores respetivos de servicios del capital.
La quinta parte enuncia el programa federal relativo a la desgravacion comercial sectorial. En la sexta se simulan los impactos dinamicos del programa oficial.
Under Construction III - Supporting Active Ageing & Attracting Young Workers in Construction SMEs follows in the steps of two projects: Under Construction I, whose aim was to improve the role of construction SMEs in sectorial social dialogue; and Under Construction II, whose aim is to improve health and safety in the workplace, through coordinated actions from European social partners.
Subsequent research focused on the adaptability, governance, and the multiple kinds of "embeddedness" (regional, sectorial, organizational) of these systems (Culpeper 2003; Melendez, McCormick, and Hawley 2008).
TAM (BM&FBOVESPA:TAMM4) (NYSE:TAM), a Brazilian carrier, on Monday announced that it's vice president of sales and alliances, Paulo Castello Branco, was appointed as a member of the IATA (International Air Transport Association) Sectorial Affairs Committee.
Problems in the diary sector from a political point of view: actors and sectorial forms of representation in the last period.
The meeting was attended by Additional Deputy Commissioner, District and Sectorial officers of the district.
The publication provides a more in-depth analysis and sectorial approach, complementing our must-read 20-page weekly Wednesday business supplement - which will continue to bring you the latest Welsh business news.

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