The Sinclair ZX81 was introduced in March of 1981 by British entrepreneur Clive Sinclair. Also known as the Timex-Sinclair TS1000, it was the first personal computer to sell for under $100. Word length: 8 bit. CPU: Z80A. Primary memory: RAM 2K, ROM 8K. Quantity produced: two million.. Object comprises ZX81 computer on plastic stand attached with double-sided foam tape, also ZX 16K RAM expansion module and box for expansion module
