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• Harvard_Mark_I abstract "The IBM Automatic Sequence Controlled Calculator (ASCC), called Mark I by Harvard University's staff, was a general purpose electro-mechanical computer that was used in the war effort during the last part of World War II.The original concept was presented to IBM by Howard Aiken in November 1937. After a feasibility study by IBM's engineers, Thomas Watson Sr. personally approved the project and its funding in February 1939.Howard Aiken had started to look for a company to design and build his calculator in early 1937. After two rejections, he was shown a demonstration set that Charles Babbage's son had given to Harvard university 50 years earlier. This led him to study Babbage and to add references of the analytical engine to his proposal ; the resulting machine "brought Babbage's principles of the analytical engine almost to full realization, while adding important new features."The ASCC was developed and built by IBM at their Endicott plant and shipped to Harvard in February 1944. It began computations for the U.S. Navy Bureau of Ships in May and was officially presented to the university on August 7, 1944.One of the first programs to run on the Mark I was initiated on 29 March 1944 by John von Neumann, who worked on the Manhattan project at the time, and needed to determine whether implosion was a viable choice to detonate the atomic bomb a year before its use. The Mark I also computed and printed mathematical tables which was Charles Babbage's initial goal for his analytical engine.The Mark I was officially retired, after 15 years of service, in 1959.".
• Harvard_Mark_I thumbnail Harvard_Mark_I_Computer_-_Left_Segment.jpg?width=300.
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• Harvard_Mark_I wikiPageExternalLink 107123.
• Harvard_Mark_I wikiPageExternalLink 107210.
• Harvard_Mark_I wikiPageExternalLink 107348.
• Harvard_Mark_I wikiPageExternalLink markI_reference.html.
• Harvard_Mark_I wikiPageExternalLink MarkI_operMan_1946.pdf.
• Harvard_Mark_I wikiPageExternalLink computer.html.
• Harvard_Mark_I wikiPageExternalLink mark1.html.
• Harvard_Mark_I wikiPageExternalLink mark1.html.
• Harvard_Mark_I wikiPageID "173857".
• Harvard_Mark_I wikiPageRevisionID "599588957".
• Harvard_Mark_I hasPhotoCollection Harvard_Mark_I.
• Harvard_Mark_I subject Category:1940s_computers.
• Harvard_Mark_I subject Category:1944_introductions.
• Harvard_Mark_I subject Category:Electro-mechanical_computers.
• Harvard_Mark_I subject Category:Harvard_University.
• Harvard_Mark_I subject Category:IBM_computers.
• Harvard_Mark_I subject Category:One-of-a-kind_computers.
• Harvard_Mark_I subject Category:Programmable_calculators.
• Harvard_Mark_I type 1940sComputers.
• Harvard_Mark_I type Artifact100021939.
• Harvard_Mark_I type Computer103082979.
• Harvard_Mark_I type Device103183080.
• Harvard_Mark_I type Electro-mechanicalComputers.
• Harvard_Mark_I type IBMComputers.
• Harvard_Mark_I type Instrumentality103575240.
• Harvard_Mark_I type Machine103699975.
• Harvard_Mark_I type Object100002684.
• Harvard_Mark_I type One-of-a-kindComputers.
• Harvard_Mark_I type PhysicalEntity100001930.
• Harvard_Mark_I type Whole100003553.
• Harvard_Mark_I comment "The IBM Automatic Sequence Controlled Calculator (ASCC), called Mark I by Harvard University's staff, was a general purpose electro-mechanical computer that was used in the war effort during the last part of World War II.The original concept was presented to IBM by Howard Aiken in November 1937. After a feasibility study by IBM's engineers, Thomas Watson Sr.".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Harvard Mark I".
• Harvard_Mark_I label "Mark I (Computer)".
• Harvard_Mark_I label "Марк I (компьютер)".
• Harvard_Mark_I label "هارفارد مارك I".
• Harvard_Mark_I label "馬克一號".
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• Harvard_Mark_I sameAs Q776823.
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• Harvard_Mark_I wasDerivedFrom Harvard_Mark_I?oldid=599588957.
• Harvard_Mark_I depiction Harvard_Mark_I_Computer_-_Left_Segment.jpg.
• Harvard_Mark_I isPrimaryTopicOf Harvard_Mark_I.