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pc
it helps you send email and play game can't play on other devises -
first computer
the ENIAC was invented by J. Presper Eckert and john mauchly at the university of Pennsylvania and began construction in 1943 and was not completed until 1946 . it occupied about 1,800 sqare feet and used about 18,000 vacuum tubes weighing 50 -
second computer
the world would see transistors replace vacuum, tubes in the second generation of computers. the transistors was invented at Bell Lab in 1947 but did not widespread use in computer until the late 1950 -
third computer
the period of the third generation was form 1965 1971 the computer of the third generation used integrated circuits transistor. a single IC has many transistors resistors and a capacitors along with the associated circuitry the IC was invented be jack kilby -
forth computer
the first microprocessor was first introduced in 1971 by intel invented by their employee ted hoff they named it the intel 4004 the first computer on a chip these chip made it possible for computers to fit on a desktop -
fifth computer
James Maddox the inventor of the company's US patent 6,000,024 created unique and novel parallel computing system in 1993 in the middle of a distinguished career serving as director of engineering for the company from December 1993 through December 1999
