CSIRAC

The CSIRAC was Australia’s first digital computer and the fifth stored-program machine in the world. It’s first test was run in November, 1949 and it was built by a team of engineers and scientists led by Trevor Pearcey and Maston Beard. Input was done on punched paper tape instead of…

Continue reading

Thomas Watson, Jr.

From Time Magazine’s Builders and Titans: As the eldest son of the president of IBM, Thomas Watson Jr. grew up tortured by self-doubt. He suffered bouts of depression and once burst into tears over the thought that his formidable father wanted him to join IBM and eventually run what was…

Continue reading

Williams Tube

 As a result of a trip to the U.S.A. in June 1946, Dr F.C. (Freddie) Williams started active investigation at TRE into the storage of both analog and digital information on a Cathode Ray Tube. Storage of analog information could help solve the problem of static objects cluttering the dynamic…

Continue reading

Manchester Baby Machine

The Small Scale Experimental Machine, the Baby, was built in 1947 and 1948 to subject the Williams-Kilburn Tube to a searching test of its speed and reliability. It also demonstrated the feasibility and potential of a stored-program computer. It was quickly decided to press ahead to develop a realistic useable…

Continue reading