Ca l3 - history
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Transcript of Ca l3 - history
Third Generation
Transistors were miniaturized and placed on
silicon chips, called semiconductors
First computers to facilitate user interaction
Made machines cheaper and smaller
3
Significant Events
1970: Development of UNIX operating system begun.
1972: Programming language C developed at The Bell
Laboratories in the USA .
1972: The first international connections to ARPANET are
established.
5
Significant Events
1971: The Intel 4004, the first commercially available
microprocessor, is released.
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Significant Events
1973: Programming language Prolog developed
1973: Ethernet developed
1975: USA Formation of Microsoft
1976: First laser printer introduced by IBM – the IBM 3800
1983: Compaq introduced first clone
1984: Apple Macintosh17
Significant Events
1984: IBM AT (286 chip, $4,000)
1985: Intel 386 chip (16 MHz)
1989: Intel 486 chip
1993: Intel Pentium
2006: Dual Core Processing
2007: Quad Core Processing18