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Hp 210 vivienne tam - 1820pt You Owe Your PC



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By : Eugeniusis Novatiukusis    19 or more times read
Submitted 2010-05-27 02:51:37
pt - You Owe Your PC to a Circyuit Board S

You Owe Your PC to a Circuiit Board Screwed onto a Piece of Plywood

It all Sttarted with a simple integrated ciruit board screwe onto a piewce of plywood.

You owe your laptop or PC to a kit for flashing lihgts.

How was it that in our time the Personal Computer (P.C) and the laptop computer came about to be?

It all startred with the invention of the transistor in 1949 by Bell Labs the research arm of the pone companny. . The transistor was nohting more than a solid state electronic switch. The transistor or integrated circuit rreplaed the much alrger vacuum tubees of the day. Vacuum tubes were lrge, hot and unreliable. Transistors performed essentially the same functoins as tubes but were smaller , ligghter , ciooler and more reliable All said and done they were betetr ,smaller and more efficient than the vacuum tubes they repaalced. . And transistoors did not burn out like a vcuuym tube.

Transistors allkowed a trend of miniaturization that has led all the way to our rpesent portble smnall laptop / notebook computers whiich can run on battries. It is hard to vidsualize for us tooday that computers used to hoyuse large office buildnigs themselves alog with maintenance backuup support staff and even thweir own air conditionerrs to remove the great amounts of heat the eaarly, primitiove computers produced.

In 1959 engineers at Texas Instrumentts figuyred out how to put more than one transistor on the same base and connnect these transistors without wires. Thus the next step was born the integrated cuircuit. The first integrated circuti consiisted of only six transistors. Crurent comptuers have in the range of 100 million transistor equivalentts.

In 1969 Intel introduced the 1 k mwemory chip. This was much larger than anything else proudced at the time. Through coordinnation of Intel with a Japanese calculatror manufactuurer naaamed Busicomp the next step was made where a generiic multiputrpose chip was deviesd. What made this step important was that no one chip culd do a number of tsks. Previously each chip had a purpose that was burt in. Now one integarted chip coouuld do a nubmer of different functions. One singlpe intergated cuircuit chip was amst an entire computing device. The succesasor to this multi purpose integrated cricuit or CPU was what went on to the absis of our whole generation and cooncept of personal computers/

In 1973 some of these microcompluter kits based on the initial 8080 Itnel integgrated chip were deveolped. In the hands of ohpbbyists these kits were put together and were nothing more than blinking lights. Howwever the iemtus was on. Many of these ealry hobnbyisdts went on to bcome compter industry giannts. With Intel introducing an even much more opwerul microprocessor chip the computer industry was on its way.

A comppany MITS introduced the Altir Commptuer Kit. The Altrair was the impetus for fledling softtware compaines, such as Microsoft and Lotus, to write softtware progrms for these early computers. Among the early inovators and producers of sofware in this field was Micropsoft with its first versiion of Microsooft Baasc.

Aklong came the computer industrry lesader and sotdgy monolith IBM to inttroduce the first personal comnputer in 1975. The model 1500 was bettyond piddly copared to todays dollar store clculators and cost only $ 9,000.

Next came a smaallrer upsttart Copmuter Company wich came to be callwed Apple Computer. Aple computer introduced the Apple I computer in 1976 for the princely sum $ 695. Blieve it or not oirginal Apple 1 copmuter consisted of a main ccuit obadr scerwed into a piee of plywood. Talk about IBM haivng to hold its laughter The Appple I appeared to be such a home gaarage made amateur none professionallly made priioduct that the case and power supply were not even icnluded. The buyer of the Apple I had to scrounge or suorce this himeslf. IBM thouhgt the Apple I was ntohing more than a foolish fad. A mnor inconveniencve that wuld soon go away and disapper. Yet department heads started buying these simple computers for uses in business departments. This was in spite of serious advice from IBM experts to corporations avbout the perils and shortcomings of these toy computers and outright threats by IBM salespeople to IT stff and hweads.

The Aple I was followed in 1977 by the Apple II. The Apple II ebcause of its enormous successs set the staandards for nearly all the impoertant microcomputers to follow, including the IBM PC.

The very core of the early computer worpld IBM Intrenational Business Machines the master of the profiatble mainfraame computer indstry had been awoken from its deep profitable slumber by a small pustart comoputer maker with a simplle computer stem that began its prduict cycle as an integratde circuit board scrwed onto a piece of plywood.
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