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Notebook - CSIRAC Computer, Delay Line Tests, 1954-1961 Document Reg. No: MM 028291

Notebook containing handwritten notes on testing delay line characteristics. The notebook was originally used in Sydney and was brought to Melbourne.

Page 49 contains the first (in the book) handwritten notes by Jurij Semkiw. He was listing some tests on the C. I. S. (completed instruction store). This stored the sixteen instructions that have just been executed. It is a diagnostic tool for seeking the cause of an error. It allows the operator to review the last sixteen instructions leading to the error.

A single delya line was dedicated to this purpose. The sixteen instructions were shown on the cathode ray screens on the console.

The emulator developed by John Spencer includes the C. I. S.
Grey Cardboard covered book with red spine with lined pages. Handwritten text written throughout book. Loose piece of paper interleaved between pp 116-117. Loose piece of paper inside back cover.
Acquisition Information:
Donation from University of Melbourne (The) Computer Science & Software Engineering Department, 2012
Discipline: Technology
Dimensions: 245 mm (Height), 205 mm (Width)

More information

Tagged with: computer software, computers, computing, csirac computer, making history - csirac
Themes this item is part of: Resurrecting a CSIRAC program using an emulator, Information & Communication Collection, CSIRAC Collection
Primary Classification: COMPUTING & CALCULATING
Secondary Classification: Digital Computing
Tertiary Classification: paperwork & documentation
Inscriptions: "Book - Line Tests, 1954"
Date Made: 1954

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