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IBM 701
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===Peripherals=== The Magnetic Drum Reader/Recorder was added on the recommendation of [[John von Neumann]], who said it would reduce the need for high speed I/O.<ref>{{cite book |title=John von Neumann: Selected Letters, Letter to R.S. Burlington |page=73 |publisher=American Mathematical Society and London Mathematical Society |year=2005}}</ref> The first magnetic tape drives were used on the Tape Processing Machine (TPM) and then adapted to the 701.<ref>{{cite web|last=da Cruz|first=Frank|date=July 2003|title=IBM 701 Tape Drive - The First Magnetic Tape Drive for Computer Data Storage|url=http://www.columbia.edu/cu/computinghistory/701-tape.html|access-date=19 December 2020|website=Columbia University Computing History}}</ref>
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