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Core rope memory
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==External links== * [https://www.youtube.com/watch?time_continue=3&v=ndvmFlg1WmE "Computer for Apollo"] NASA/MIT film from 1965 which demonstrates how rope memory was manufactured. * [http://authors.library.caltech.edu/5456/01/hrst.mit.edu/hrs/apollo/public/visual3.htm Visual Introduction to the Apollo Guidance Computer, part 3: Manufacturing the Apollo Guidance Computer.] {{Webarchive|url=https://archive.today/20121212011406/http://authors.library.caltech.edu/5456/01/hrst.mit.edu/hrs/apollo/public/visual3.htm |date=2012-12-12 }} – By Raytheon; hosted by the Library of the California Institute of Technology's History of Recent Science & Technology site (originally hosted by the [[Dibner Institute]]) * [http://www.hq.nasa.gov/office/pao/History/computers/Ch2-5.html ''Computers in Spaceflight: The NASA Experience''] – By James Tomayko (Chapter 2, Part 5, "The Apollo guidance computer: Hardware") * Brent Hilpert's [http://madrona.ca/e/corerope/index.html Core Rope & Woven-Wire Memory Systems] page has a detailed explanation of pulse-transformer and switching-core techniques. * SV3ORA's [http://qrp.gr/coreROM/ Core rope memory: A practical guide of how to build your own] gives a description, schematics and photos of a simple core rope memory board using the pulse transformer technique, including a demonstration of operation. * [http://www.righto.com/2019/07/software-woven-into-wire-core-rope-and.html Software woven into wire: Core rope and the Apollo Guidance Computer], extensive blog post by computer restoration expert Ken Shirriff * [https://connect.adelaide.edu.au/nodes/view/26006#idx219522 Australian 'ropes' demonstrated at MIT] Letter from Ramon L. Alonso to Gordon Rose, dated 10 December 1963: "We are finding the Australian ideas on βropes' to be very fruitful indeed, and we are going ahead with some development work on them." {{Magnetic storage media}} {{DEFAULTSORT:Core Rope Memory}} [[Category:Computer memory]] [[Category:Non-volatile memory]]
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