ZX81

Title image

Released in 1981, the Sinclair ZX81 is often seen as the machine that started the UK home computer boom.

Manufacturer
Sinclair
Processor
Z80
Speed (MHz)
1
RAM (KB)
1
RAM expandable to (KB)
16
ROM (KB)
8
Sound
NONE
Keyboard type
Pressure sensitive
Number of keys
40
Dimensions (mm)
175x168x43
Weight (g)
300
Interfaces
  • Expansion port (edge connector)
  • Cassette port

Related Images

ZX81 US advert 1
ZX81 US advert 1