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Ferranti Pegasus computer main control panel, 1956.

Richardson, Claire

Ferranti Pegasus computer main control panel, 1956.
4 0 c m
actual image size: 26cm x 32cm


The Ferranti Pegasus computer was designed by Christopher Strachey (1916-1975) while working at the National Research and Development Corporation (NRDC). He based his design on his experiments while working with Elliot Bros, where he pioneered the idea of constructing computers from modular packages. Strachey also devised a new type of logic design for Pegasus, which made the computers easy and logical to programme, and thus popular with their users. The control panel contains two circular display-screens and many switches, for use in manually debugging a programme. For example, a programmer may cause Pegasus to execute instructions singly under manual control, while the contents of selected memory locations are displayed on the screens.

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© Science Museum / Science & Society Picture Library

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