watch One-Minute World News

News Front Page
Africa
Americas
Asia-Pacific
Europe
Middle East
South Asia
UK
Business
Health
Science & Environment
Technology
Entertainment
Also in the news
-----------------
Video and Audio
-----------------
Programmes
Have Your Say
In Pictures
Country Profiles
Special Reports

Related BBC sites
Page last updated at 06:01 GMT, Tuesday, 2 February 2010

World War II computer Colossus that cracked Nazi code

Advertisement

Retired British spy catcher Tony Sale rebuilt Colossus, the world's first recognisably programmable computer.

Colossus was instrumental in the work of code cracking operations at Bletchley Park in Buckinghamshire during World War II.

It deciphered messages sent by German over the Lorenz Cipher.

Colossus was kept as a state secret until the end of the 1990s.

READ MORE: Bletchley's code-cracking Colossus

SEE ALSO

Story Tools

Editor's Choice

BBC News Website Improvements to the BBC News Website
Skip to top

PRODUCTS & SERVICES

Americas Africa Europe Middle East South Asia Asia Pacific