من طرف Nahla الإثنين أبريل 21, 2008 5:23 pmChip |
 A small piece of semiconductor material (usually silicon) on which an integrated circuit is embedded. A typical chip is less than ¼-square inches and can contain millions of electronic components (transistors). Computers consist of many chips placed on electronic boards called printed circuit boards. There are different types of chips. For example, CPU chips (also called microprocessors) contain an entire processing unit, whereas memory chips contain blank memory. Chips come in a variety of packages. The three most common are: DIPs : Dual in-line packages are the traditional bug like chips that have anywhere from 8 to 40 legs, evenly divided in two rows. PGAs : Pin-grid arrays are square chips in which the pins are arranged in concentric squares. SIPs : Single in-line packages are chips that have just one row of legs in a straight line like a comb. In addition to these types of chips, there are also single in-line memory modules (SIMMs), which consist of up to nine chips packaged as a single unit. Another name for a chip, an integrated circuit (IC) is a small electronic device made out of a semiconductor material. The first integrated circuit was developed in the 1950s by Jack Kilby of Texas Instruments and Robert Noyce of Fairchild Semiconductor. Integrated circuits are used for a variety of devices, including microprocessors, audio and video equipment, and automobiles. Integrated circuits are often classified by the number of transistors and other electronic components they contain: SSI (small-scale integration): Up to 100 electronic components per chip MSI (medium-scale integration): From 100 to 3,000 electronic components per chip LSI (large-scale integration): From 3,000 to 100,000 electronic components per chip VLSI (very large-scale integration): From 100,000 to 1,000,000 electronic components per chip ULSI (ultra large-scale integration): More than 1 million electronic components per chip |
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What is a Chip?
Nahla- عرفاني نشيط
عدد الرسائل : 61
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تاريخ التسجيل : 01/04/2008
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