Advertisement

Sinclair ZX81

What does Sinclair ZX81 mean?

The Sinclair ZX81 is a personal computer developed in Britain and released in 1981 that is known for introducing the personal computer into the mainstream. Much of its popularity is attributed to its affordability, as its predecessor (the ZX80) was much more expensive. The ZX81 also became known for having many problems, however, such as a tendency to crash frequently.

Advertisement

Techopedia explains Sinclair ZX81

In the early 1980s, personal computers were just starting to make their way into the home. The ZX81 was the successor of the ZX80, upon which it made a number of improvements. Millions of were sold before the model was discontinued. In 1982 it was rebranded the Timex-Sinclair 1000 for U.S. markets.

The ZX81 featured an expansion port on its back, however the connection had a tendency to fail, which would cause the system to crash. The machine ran in "slow" and "fast" modes, which primarily affected screen refresh rates ("slow" constantly refreshed, while "fast" only refreshed when computations were complete), so that users had the choice between better graphics or better performance.

Advertisement

Share this Term

  • Facebook
  • LinkedIn
  • Twitter

Survey: Why Is There Still a Gender Gap in Tech?

Do you work in the tech industry? Help us learn more about why the gender gap still exists in tech by taking this quick survey! Survey respondents will also be entered to win a $100 Amazon Gift Card!

Related Reading

Tags

HardwarePersonal ComputersHistory of Technology

Trending Articles

Newest Articles

Go back to top