The Sinclair ZX81 was small, black with only 1K of memory, but 30 years ago it helped to spark a generation of programming wizards.

Sinclair's zenith The biggest criticism of the ZX81 was the paucity of RAM – just 1 kB of it, although it could be expanded, by use of a very wobbly add-on board, to 16 kB or 56 kB.

Measuring in at just 377 bytes in its smallest version, the entire program takes up less space than this very article describing it. To achieve these feat requires certain sacrifices, of course.

In May 1976, an Ashland University graduate took at job at WUAB-TV in Cleveland, focusing his efforts on television production, promotions and programming. In 1994, he would join Sinclair Inc. to ...

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 ...

Sinclair senior vice president of programming Dave Howitt will retire on March 31. Howitt has worked for more 30 of his 48 years in television at Sinclair.

Dupuy, who has been with Sinclair since 1998, was most recently Vice President of Programming. Earlier roles at Sinclair include Assistant Vice President of Programming and Regional Program Director.

The dual operating system setup also highlights the potential for using the ZX81 PC for various applications. For instance, the Linux version could be used for programming, web browsing, and other ...

Sinclair’s breakthrough home micro still shines over four decades later. We look back at the ZX81 and six of its best games.

It’s very obviously a development of their earlier ZX81, with an updated version of the same Sinclair BASIC and the same single-key keyword entry system. 40 years later, the design still looks ...