Photograph of a computer diagram showing part of a computer program listing with the title "Solution of quadratic equations A(1)Y + A(2)X + A(3)XX = A"

This is one of a set of photographs of computer structure diagrams and computer programmimg instructions, probably used in the 1970s as aids in teaching computing subjects. The diagrams and instructions relate to several early models and systems of stored program computers dating back as far as the 1950s and including the CSIR Mark 1 (later renamed CSIRAC), the Cirrus, the Atlas, the IBM System/360 , the CDC 6600 System, and the Illiac IV.

Description of Content

Early era [circa 1960] computer programming instructions.

Physical Description

Black and white photographic print of computer programming instructions.

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