Computer History: WORLD'S LARGEST CALCULATOR: IBM's 1948 Giant Electronic Vacuum Tube Machine: SSEC скачать в хорошем качестве

Computer History: WORLD'S LARGEST CALCULATOR: IBM's 1948 Giant Electronic Vacuum Tube Machine: SSEC

Computer History: Rare IBM film of IBM’s Thomas Watson Sr. and the Dedication of the 1948 Selective Sequence Electronic Calculator (SSEC), world’s largest calculator. Start of the Computer age, IBM built this giant computing machine for scientific problem solving. Designed at Watson Labs Columbia University, modules were built at Endicott New York, and installed for public viewing at IBM Headquarters on Madison avenue, this giant machine calculated over 250 times faster than its predecessor machines Original dedication speech by Thomas J. Watson, Sr., and original NBC live broadcast are included, plus various film clips from 1948 to 1952 show the giant machine in operation. SSEC was a was a technological hybrid combination 12,500 tubes and 21,400 electromechanical relays, punch cards and punched tape readers and high speed printers. Edited and uploaded for educational and historical value by Computer History Archives Project. Film and Photos © by IBM, used with permission. Courtesy of IBM Archives. IBM ARCHIVES https://www.ibm.com/history/selective... The Computer History Museum, Mountain View, California http://www.computerhistory.org “THE IBM SELECTIVE SEQUENCE ELECTRONIC CALCULATOR” by Arup K. Bhattacharya, Columbia University, N.Y, 1982 http://www.bitsavers.org/pdf/ibm/ssec... IBM’s Early Computers, Charles J. Bashe, Lyle R. Johson, John H. Palmer, Emerson W. Pugh, 1986, MIT Press (716 pages) The IT History Society https://www.ithistory.org/blog/ssec-f... YouTube: John Backus describes the IBM SSEC, first computer he programmed. Turing Awardee Clips.    • Backus  describes the IBM SSEC.   “A Third Survey of Domestic Electronic Digital Computing Systems.” Weik, Martin H. (March 1961) ed-thelen.org.