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IBM mainframe - Wikipedia
https://en.wikipedia.org/wiki/IBM_mainframeIBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the large computer market. Current mainframe computers in IBM's line of business computers are developments of the basic design of the IBM System/360.
Wikipedia · Nội dung trong CC-BY-SA giấy phépIBM Archives: Mainframe family tree and chronology
https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_FT1.htmlFamily tree and chronology. Plotting the family tree of IBM's "mainframe" (or relatively large-scale) computers might not be as complicated or vast a task as charting the multi-century evolution of, say, the Smith or Lee families but it …
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bing.com/imagesHistory of IBM mainframe operating systems - Wikipedia
https://en.wikipedia.org/wiki/History_of_IBM_mainframe_operating_systemsThe history of IBM mainframe operating systems is significant within the history of mainframe operating systems, because of IBM's long-standing position as the world's largest hardware supplier of mainframe computers. IBM mainframes run operating systems supplied by IBM and by third parties.
The operating systems on early IBM mainframes have seldom been very innovative, except for TSS…Wikipedia · Nội dung trong CC-BY-SA giấy phépIBM Mainframes – 45+ Years of Evolution
https://www.vm.ibm.com/devpages/jelliott/pdfs/zhistory.pdf · PDF tệpmainframe were premature Source: IBM Annual Report 2001 “I predict that the last mainframe will be unplugged on March 15, 1996.” – Stewart Alsop, March 1991 “It’s clear that corporate customers still like to have centrally controlled, very predictable
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IBM Vintage Computers and Mainframes for sale | eBay
https://www.ebay.com/b/IBM-Vintage-Computers-and-Mainframes/162075/bn_18546444月 01, 2022 · IBM Vintage Computers and Mainframes for sale | eBayMainframe computer - Wikipedia
https://en.wikipedia.org/wiki/Mainframe_computerA single-frame IBM z15 mainframe. Larger capacity models can have up to four total frames. This model has blue accents, as compared with the LinuxONE III model with orange highlights. A mainframe computer, informally called a mainframe or big iron, [1] is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as …
IBM Archives: Mainframes photo album
https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_album.htmleServer zSeries 990. Mainframes basic information sources. Mainframes product profiles. Mainframes photo album. Mainframes video views.
IBM Vintage Computers and Mainframes for sale | eBay
https://www.ebay.ca/b/IBM-Vintage-Computers-and-Mainframes/162075/bn_18546444月 01, 2022 · IBM Vintage Computers and Mainframes for sale | eBayIBM Portable PC - old computers
www.oldcomputers.net/ibm5100.htmlThe Model 5100 is IBM's first minicomputer, i.e. not a mainframe, and is also considered one of the world's first portable computers. It is preceded only by the Hewlett-Packard HP-9830A from 1973. Although at 55-pounds, the 5100 might best be described as …
Mainframe History: How Mainframe Computers Evolved Over the …
https://www.precisely.com/blog/mainframe/mainframe-history2021/3/5 · Major developments in mainframe history include: First mainframe – By most measures, the first mainframe computer was the Harvard Mark I. Developed starting in the 1930s, the machine was not ready for use until 1943. It weighed five tons, filled an entire room and cost about $200,000 to build – which is something like $3,070,500 in 2020 ...
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