Photograph of a computer diagram entitled "Fig. 10.12 Permanently wired, rectangular-loop core array". Diagram shows schematic layout of rectangular-loop core array computer memory.

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

Description of Content

Block diagram showing the core memory layout relating to early era computing [circa 1960].

Physical Description

Black and white photographic print of a computer programming diagram.

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