Sinclair ZX81

Description

The Sinclair ZX81, released in 1981, was an affordable and popular home computer. Its simple design and low cost made it accessible to a wide audience.

Specifications

• Processor: Zilog Z80 @ 3.25 MHz
• Memory: 1 KB RAM, expandable to 16 KB
• Storage: Cassette tape
• Graphics: 32×24 text, 64×48 semi-graphics
• OS: Sinclair BASIC

Timeline

Introduced: March 1981
Discontinued: 1984

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