The Evolution of Personal Computing: A Decade-by-Decade Breakdown

Strategic Insights -

The 1970s witnessed the introduction of the first microprocessors, floppy disks, and mass-produced personal computers. The Apple II, launched in 1977, became a huge success and revolutionized the industry.

Key Takeaways:

  • The Intel 4004, the first commercially available microprocessor, was launched in 1971.
  • The first floppy disk was introduced by IBM in 1973, with a standard size of 8 inches later reduced to 5.25 inches and then 3.5 inches.
  • The MITS Altair 8800, launched in 1975, was the first mass-produced and marketed personal computer, priced at around $400.
  • Microsoft and Apple were founded in 1976, with Apple introducing the Apple II in 1977.
  • The Commodore 64, introduced in the late 1970s, became a huge seller with plenty of memory and software.
  • The first PC modem was introduced by Hayes in 1979.
  • The first IBM personal computer was launched in 1981, based on Intel's 8088 processor and using MS-DOS.
  • The IBM PC was the host machine for the highly popular Lotus 1-2-3 spreadsheet and became Apple's biggest competitor.
  • The number of PCs in use more than doubled from 2 million in 1981 to 5.5 million in 1982.
  • The Apple Macintosh, introduced in 1984, was priced at $2,500 and based on the Lisa's GUI, but had a poor start before becoming successful.

Statistics:

  • 2 million PCs in use in 1981
  • 5.5 million PCs in use in 1982
  • 65 million PCs in use 10 years later
  • 550 million PCs expected to be in use globally by the end of 2000
  • PC market dominated by Commodore in the late 1970s and early 1980s

Sources:

  • [Intel 4004 microprocessor reference]
  • [IBM floppy disk reference]
  • [MITS Altair 8800 reference]
  • [Commodore 64 reference]
  • [Hayes PC modem reference]
  • [IBM personal computer reference]
  • [Lotus 1-2-3 spreadsheet reference]
  • [Apple Macintosh reference]
  • [Microsoft Windows 3.x reference]
  • [Compaq reference]