Sinclair ZX81In 1980, British company Sinclair released their ZX80 computer for $199.95.One year later, they released the new and improved ZX81. Compared to the ZX80, the ZX81 was much cheaper, at only $99.95, the first computer for under $100. The ZX81 has the same microprocessor and runs at the same speed as the ZX80, but it has a better BASIC programming language and is cheaper to produce, due to having fewer chips and a simpler design.
Reprinted with permission from Oldcomputers.net
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