The Fourth Generation (1971-Present)

  • 1975: Ed Roberts, the "father of the microcomputer" designed the first microcomputer, the Altair 8800, which was produced by Micro Instrumentation and Telemetry Systems (MITS). The same year, two young hackers, William Gates and Paul Allen approached MITS and promised to deliver a BASIC compiler. So they did and from the sale, Microsoft was born.
  • 1976: Cray developed the Cray-I supercomputer (G). Apple Computer, Inc was founded by Steven Jobs and Stephen Wozniak.
  • 1977: Jobs and Wozniak designed and built the first Apple II microcomputer.
  • 1980: IBM offers Bill Gates the opportunity to develop the operating system for its new IBM personal computer. Microsoft has achieved tremendous growth and success today due to the development of MS-DOS. Apple III was also released.
  • 1981: The IBM PC was introduced with a 16-bit microprocessor.
  • 1982: Time magazine chooses the computer instead of a person for its "Machine of the Year."
  • 1984: Apple introduced the Macintosh computer, which incorporated a unique graphical interface, making it easy to use. The same year, IBM released the 286-AT.
  • 1986: Compaq released the DeskPro 386 computer, the first to use the 80036 microprocessor.
  • 1987: IBM announced the OS/2 operating-system technology.
  • 1988: A nondestructive worm was introduced into the Internet network bringing thousands of computers to a halt.
  • 1989: The Intel 486 became the world's first 1,000,000 transistor microprocessor.
  • 1993: The Energy Star program, endorsed by the Environmental Protection Agency (EPA), encouraged manufacturers to build computer equipment that met power consumpton guidelines. When guidelines are met, equipment displays the Energy Star logo. The same year, Several companies introduced computer systems using the Pentium microprocessor from Intel that contains 3.1 million transistors and is able to perform 112 million instructions per second (MIPS).

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