Primes.calculated by the EDSAC 10 May 1949 AND The coordinating orders (first sheet only): Wheeler,... Primes.calculated by the EDSAC 10 May 1949 AND The coordinating orders (first sheet only): Wheeler,...

Primes.calculated by the EDSAC 10 May 1949 AND The coordinating orders (first sheet only)

Wheeler, David

Published by Cambridge, 1949
From Jeremy Norman's historyofscience (Novato, CA, U.S.A.)

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Wheeler, David. (1) Primes . . . calculated by the Edsac 10 May 1949. Single dittoed typescript sheet. [Cambridge, 1949.] 255 x 202 mm. (2) The co-ordinating orders. Dittoed typescript. First sheet only (of three). [Cambridge, 1949.] 255 x 202 mm. Together 2 items. Both sheets a little creased, minor text loss on no. (2) due to faulty registration, otherwise very good. Two examples of the materials issued to participants in the "Conference on high speed automatic calculating-machines" held at Cambridge in June 1949. This was the first computer conference held in England, and the first computer conference at which an operational stored-program computer (the EDSAC) was demonstrated. "For the demonstration two short programs were run: the first, written by Wilkes, printed a table of squares; the second [no. (1)], written by David Wheeler, printed out prime numbers" (Williams and Campbell-Kelly, The Early British Computer Conferences, xiii). The EDSAC, designed and built by Maurice Wilkes and his team at the Cambridge Mathematical Laboratory, had become fully operational only a few weeks before the conference. No. (2) is a portion of a dittoed draft of Wheeler's paper, "Planning the use of a paper library," which was published in the conference proceedings in 1950. This is the paper that first described the way in which the EDSAC would deal with subroutines and how information was passed to them and back again to the main program. This subject proved to be of the utmost importance and ranks with the invention of the index register (B-line) at Manchester as one of the fundamental developments which made modern computing possible. From that point of view this draft (obviously passed around during the conference) is a very significant document. See Wilkes 1985, 146-47. Origins of Cyberspace 1020-6 and 1020-8. Bookseller Inventory # 38919

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Title: Primes.calculated by the EDSAC 10 May 1949 ...

Publisher: Cambridge

Publication Date: 1949

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