Summary
Photograph of a computer diagram entitled "Segmentation & Paging". Diagram shows the page and segment tables for the virtual memory system of the Atlas computer. The Atlas computer was developed in Manchester, England and came into service in 1962. It was the first machine to use virtual memory and was regarded as the fastest computer of its day.
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 page and segment tables for the Atlas computer's virtual memory system.
Physical Description
Black and white photographic print of a computing block diagram.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Steve & Connie Kormas, 22 Feb 2001
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Creator
Dr Trevor Pearcey, Melbourne, Greater Melbourne, Victoria, Australia, 1950s-1960s
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Format
Photograph, 7½ in. x 5 in., Black & White
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Language
English
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Inscriptions
Museum Victoria catalogue reference handwritten in black pencil on reverse at lower right: "MM 68374". On reverse handwritten in black ink: "Segmentation & Paging".
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Classification
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Category
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Discipline
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Type of item
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Image Dimensions - Photograph
214 mm (Length), 164 mm (Width)
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Keywords
Computer Engineering, Computer Programming, Computer Software, Computers, Computing
