March 5, 1981: Timex Sinclair ZX81 launched
1981 – The successor to the Sinclair ZX80, Britain’s most popular home computer – the Sinclair ZX81 was launched by Sinclair Research – a Timex Corporation. It was a popular computer mostly because of the price – £69.95 ($99) or £49.95 in kit form.
The cheap computer had only a fraction of components that an Apple II did. Yet the Apple II was around £699. The Sinclair ZX81 only had 1 kB RAM with option to upgrade to 16 kB. The graphics were only in monochrome and the Z80 CPU ran at 3.25 MHz – 8-bit. This was actually faster than the Apple II processor (1.08 MHz) and only outbested by the IBM PC (4.77 MHz at 16-bit). The TI99/4A procesor was a 3Mhz 16-bit chip.
You could get a tape drive and printer, bringing the system up to about £160 ($250). The computer was succeeded by the ZX Spectrum.
Wikazine – Full show notes for March 5
Subcribe to Day In Tech History:
RSS Feed - iTunes - Google Play - Spotify
Twitter - Facebook
- RSS Bandwidth by Cachefly Get a 14 Day Trial
Be a Part of the Sconnie Geek Nation!
In Wisconsin, friends are called "Sconnies". Even if you're not from Wisconsin, you can be part of the Sconnie Geek Nation through my coverage! By pledging, you join the Geek Sconnie Nation! Plus, you help me cover costs so I can continue the coverage of Gadget tech, music tech, and geek culture through the shows.
- WMS Industries acquires Atari
- President Barak Obama appoints Vivek Kundra as CTO
Podcast: Play in new window | Download
Subscribe! Apple Podcasts | Android | RSS | More
