Ohio Scientific
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Ohio Scientific, Inc., was a privately owned American computer company based in Ohio that built and marketed computer systems, expansions, and software from 1975 to 1986. Their best-known products wer
Co-founders Mike and Charity Cheiky pictured in 1978 with a Challenger 2P
Challenger IIP, with optional dual floppy drive unit
Superboard II residing inside a homemade wooden case
Challenger 4P
Microsoft BASIC
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Microsoft BASIC is the foundation software product of the Microsoft company and evolved into a line of BASIC interpreters and compiler adapted for many different microcomputers. It first appeared in 1
Ohio Scientific
…up to 8 KB worth of chips. The four 2-KB ROM chips included with the stock Model 500 were manufactured by Signetics and contain Microsoft's official BASIC interpreter, occupying all 8 KB of ROM. The Model 500 also has a buffered expansion bus and an Motorola 6850 UART for RS-232 and current-loop serial…
A kit-build Altair 8800 computer with the popular Model 33 ASR (Automatic Send and Receive) Teletype as terminal, paper tape reader, and paper tape punch