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IBM System/360 Model 20: Difference between revisions

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→IBM 2560 Multi-Function Card Machine: That's a conference paper; use {{cite conference}}.
→IBM 2560 Multi-Function Card Machine: Use {{cite book}} for an IBM manual. Fix title.
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IBM's announcement proclaimed the 2560 as providing "a card-handling capability never before possible on a single pass through the system."<ref>{{cite web
|url=http://ed-thelen.org/comp-hist/IBM-ProdAnn/360-20.pdf
|title=360-20}}</ref><ref>A22-6810, p. 13</ref><ref>{{cite web |website=BitSaversbook
|url=http://bitsavers.informatik.uni-stuttgart.deorg/pdf/ibm/360/fe/2020/Z26-5908_360-20_FE_Manual_Of_Instruction_Aug65.pdf
|title=IBM Confidential Field Engineering Manual of Instruction, System/360 Model 20 2020 Processor |publisher=[[IBM]]}}</ref> Since all I/O is performed by the processor, the system is particularly suited to controlling timing-dependent devices such as the 2560, where a card can be read, punched into, printed on, and sent to a specified output stacker with tight timing requirements if full rated speed is to be maintained.
 
==Software==
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