drum memory


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drum memory

n. Computers
A RAM device consisting of a rotating metal cylinder with a magnetizable coating on its outer surface and a moving read/write head.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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SWAC was a parallel machine with magnetic drum memory. SEAC was used to work on many problems including solving partial differential equations by Monte Carlo methods, generating optimum sampling plans for the Census Bureau, calculating transient stresses on aircraft structures, and developing accounting procedures for the Social Security Administration.
Information technology measurement and testing activities at NIST
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