“The ZX80 and ZX81 basic were written by John Grant, who would comment in 1985 “Certainly with the Spectrum we wanted to rewrite the code, but there wasn’t the time and there definitely ...

Developed by a firm founded by British inventor Sir Clive Sinclair, the ZX81 sold in kit or pre-assembled form. It featured a 3.25 MHz Z80 CPU, 1KB of RAM, and a built-in BASIC programming language.

Have you ever upgraded your computer’s memory sixteen-fold, with a single chip? Tynemouth Software did for a classic Sinclair micro. For owners of home computers in the early 1980s, one of th… ...

This is a wonderful example of the phenomenon of “feature creep”. [Gert] was working on getting a VGA output running on an mbed platform without using (hardly) any discrete components. … ...

The ZX81 is 42. The meaning of life. And it kind of was to a generation of British school kids. That is, if they could keep the 16KB RAM pack connected for long enough. Typing on the ZX81’s hideous ...

The ZX81. I have always wanted a microscope. I have memories of them from school, and they're tinged, as so many school memories are, with intrigue and fear.

All the Latest Game Footage and Images from Fun Park ZX81 20 Years on from the Spectrum game Amusement Park 4000, the Zeddy gets a conversion of the 16K Spectrum follow-up Fun Park for Chroma ...

The Sinclair ZX81 was small, black with only 1K of memory, but 30 years ago it helped to spark a generation of programming wizards. Packing a heady 1KB of RAM, you would have needed many, many ...

The Sinclair ZX81 costs $99 (£68 -- roughly the same as they did in 1981) but are sadly not available outside the US. To have your say online click on the TalkBack button and go to the ZDNet News ...

On March 5, 1981, Sinclair Research launched the ZX81 home computer in the U.K. (It was also known as the Timex-Sinclair TS1000 in the U.S.) It came with just one kilobyte of memory, and was a ...