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Main Finance Terms sector

sector



See alsoindustrial sectors
Dictionary of Computer and Internet Terms
sector

part of a track on a disk. For example, the original IBM PC diskette system partitions the diskette into 40 circular tracks with each track having 8 sectors.

See alsodisk,track
Dictionary of Business Terms
sector

particular group of stocks, usually found in one industry.securities analystsoften follow a particular sector of the stock market, such as airline or chemical stocks. part of the economy, as in private sector or public sector. division of a computerfloppy disk.


Related Terms:
Dictionary of Finance and Investment Terms
industrial sectors

groupings of companies that react similarly to given economic conditions. sectors can be as broadly defined as producer stocks and consumer stocks or specifically defined as sub-sectors. Twelve sectors that have the size, individuality, and representational value to be useful for investment purposes are cyclicals, noncyclicals, basic materials, energy, financial, technology, media and entertainment, utilities, health care, real estate, transportation, and retailers/wholesalers. These have been broken down into one hundred or more subsectors representing types of business, such as airlines and chemicals.


Dictionary of Computer and Internet Terms
disk

computer device that stores data that can be retrieved in a random order. It is a magnetic platter similar in appearance to a phonograph record. A disk is coated with material that can be magnetized. It stores biton tracks (circles) on one or both sides. Usually, each disk has two hundred or more tracks. Each track is divided intosectors, referring to the amount of data the computer reads into memory in a single step. The directory of a disk is a specified area where the computer records the names and locations of the files on it.


Dictionary of Computer and Internet Terms
track

reference or supporting computation for a particular item, such as an account balance or entry. Tracking an item will reveal how it was obtained. concentric circle on a computer disk where data are recorded.



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sector