Osborne 1-First Portable Computer

History of Sorts

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Computers nowadays come in all shapes and sizes from a smartphone to the super computer Mira.

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An essential requirement nowadays is that computers are portable. It may be hard to believe but the history of portable computers goes back 37 years, even when I write it ’37 years’ I can’t  believe it . i was barely a teenager then.

The Osborne 1 was the first commercially successful portable microcomputer, released on April 3, 1981, by Osborne Computer Corporation. It weighed 10.7 kg (24.5 lb), cost US$1,795, and ran the CP/M 2.2 operating system. Powered directly from a mains socket as it had no on-board battery, it was still classed as a portable device since it could be hand-carried when packed.

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While the Osborne 1 was a good deal at $1,795, it also came bundled with about $1,500 of free software:

  • CP/M Utility
  • CP/M Operating System
  • SuperCalc spreadsheet application
  • WordStar word processing application…

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