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Computing (FOLDOC) dictionary
ZX-80
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computer Sinclair's cheap personal computer with
built-in BASIC, launched at the end of January 1980 at a
computer fair in Wembley, UK. The processor was an NEC780-C running at 3.25 MHz. It had 1KB of RAM, externally
expandable to 16KB, and 4KB of ROM. It had RF video output to
a TV, displaying 24 lines by 32 characters of monochrome text.
An audio cassette recorder was used to save programs.