Free On-line Dictionary of Computing:
zx-80
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
NEC 780-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.
The ZX-80 was sold in kit form for
