Personal Business Computer

The Osborne 1 was essentially first commercially successful portable microcomputer, which its public debut on April 3, 1981. Weighing in at 23.5-pounds, this “Personal Business Computer” cost $1,795 USD, used the CP/M 2.2 operating system, and was powered directly from a mains socket as it had no on-board battery. The computer shipped with a large bundle of software that was almost equivalent in value to the machine itself, a practice adopted by other CP/M computer vendors. Continue reading for more cool vintage computer ads. Click here to view the bonus ads.

18. Sony Hit-Bit

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17. Ohio Scientific

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16. Sharp Laptop

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15. Atari

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14. CompuServe Internet Service

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13. Equinox 100

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12. ProcessorTechnology Sol

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11. C-64

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10. Tandy Computers

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9. Corvus Systems TRS-80

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8. Packard Bell

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7. PowerBook

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6. Opus Floppy Disk

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5. Telex Operator

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4. WordStar

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3. Univac File-Computer

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2. Atari Home Computers

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1. PowerPad

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