ZX Spectrum was created on 1982-04-23.
Sophie Gibb!
Sir Clive Sinclair. His first attempt at a mass produced computer was the SInclair ZX80. This was followed by the Sinclair ZX81, and subsequently the ZX Spectrum.
ZX80 - 1980 ZX81 - 1981 ZX Spectrum - 1982
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How much is it worth
Zx-14. But not by much
Daniel Haywood has written: 'Creative arcade games on your ZX Spectrum'
A new spectrum guitar is worth between 900 and 1,010.56 US dollars.
From 3$to100$
Spencer Bateson has written: 'Advanced Programming With the Memotech Mtx' 'The Penguin Spectrum compendium' -- subject(s): BASIC (Computer program language), Programming, Sinclair ZX Spectrum (Computer)
How much Kawasaki Zx. 1400 pound