Model 109
Encyclopedia
The Model 109, or Number 109, was a series of mainframe computer
s designed and built in the People's Republic of China
, starting in 1964.
Those were followed by the Number 111, their first integrated circuit
computer, in 1971.
Mainframe computer
Mainframes are powerful computers used primarily by corporate and governmental organizations for critical applications, bulk data processing such as census, industry and consumer statistics, enterprise resource planning, and financial transaction processing.The term originally referred to the...
s designed and built in the People's Republic of China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...
, starting in 1964.
- The Model 109-B, China's first transistor computerTransistor computerA transistor computer is a computer which uses discrete transistors instead of vacuum tubes. The "first generation" of electronic computers used vacuum tubes, which generated large amounts of heat, were bulky, and were unreliable. A "second generation" of computers, through the late 1950s and...
was created in 19651965 in scienceThe year 1965 in science and technology involved some significant events, listed below.-Astronomy and space exploration:* February 20 - Ranger 8 crashes into the Moon after a successful mission of photographing possible landing sites for the Apollo program astronauts.* March 23 - NASA launches...
. - The Model 109-C followed in 19671967 in scienceThe year 1967 in science and technology involved some significant events, listed below.-Astronomy and space exploration:*January 27 - Apollo 1 destroyed in a fire on the launch pad.*January 27 - The USA, Soviet Union and UK sign the Outer Space Treaty....
, and was used for 15 years.
Those were followed by the Number 111, their first integrated circuit
Integrated circuit
An integrated circuit or monolithic integrated circuit is an electronic circuit manufactured by the patterned diffusion of trace elements into the surface of a thin substrate of semiconductor material...
computer, in 1971.