a history of modern computing 2nd edition phần 6 pdf
a history of modern computing 2nd edition phần 6 pdf
... from a company that made oscilloscopes. By 1970 the first of a line of dramatically cheaper and smaller calculators appeared that used integrated circuits. 28 They were about the size of a paperback ... was writing BASIC for the Altair, Gates was at Harvard. He did not have access to an 8080-based system, but he did have access to a PDP-10 at Harvard’s computing center (named a...
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a history of modern computing 2nd edition phần 2 pdf
... carried Computing Comes of Age, 19 56 1 964 71 quality of ‘‘random access’’: that any piece of data was as accessible as any other, in contrast to the sequential retrieval of a datum from a deck of ... penetration of computing two decades later, in the form of automatic teller machines, bar-coded products scanned at supermarket and retail check-out stations, and massive...
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a history of modern computing 2nd edition phần 1 docx
... information-handling machines, played. Information or ‘‘intelligence’’ has been a crucial part of all warfare, but as a means to an end. In the Cold War it became an end in itself. This was a war of code-breaking, ... stated it in a form that gave it great force. Von Neumann’s international reputation as a mathematician also gave the idea more clout than it might have had coming...
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a history of modern computing 2nd edition phần 3 doc
... the Navy ordered Grace Murray Hopper to the Computation Lab to assist Howard Aiken with programming it. Hopper had been a professor of mathematics at Vassar College and had taken leave to attend ... in chapter 7. Sorting Data Regardless of what level of programming language they used, all commercial and many scientific installations had to contend with an activity that was intimately r...
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a history of modern computing 2nd edition phần 4 ppsx
... had announced an upgrade to the 360 line, it was offering compatible computers with a 200 : 1 range. 16 What changed Brooks’s and Amdahl’s mind was the rediscovery of a concept almost as old as ... with far better performance for the same cost. 49 The commit- tee had to argue that the advantages of having a path for upward migration for 360 -customers would overwhelm any advantage...
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a history of modern computing 2nd edition phần 5 potx
... and economical way of using a computer. A key factor was the development of disk storage that offered rapid and direct access to large amounts of data. IBM had pioneered the use of disk storage with RAMAC ... played a crucial role by providing a market. The ‘‘advanced’’ Minuteman was a brand-new missile wrapped around an existing airframe. Autonetics, the division of North...
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a history of modern computing 2nd edition phần 7 potx
... formal and serious than those on Usenet, although they also had a wide range. After about a decade and a half of parallel operations, all three of these streams blended into a community of news, ... A few programs were announced at the same time: a ‘‘paint’’ (drawing) program, based on work done at Xerox- PARC on a Data General Nova, and a word processor that came close...
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a history of modern computing 2nd edition phần 8 pps
... help of others at NCSA, Mosaic was rewritten to run on Windows-based machines and Macintoshes as well as workstations. As a product of a government-funded laboratory, Mosaic was made available free ... body of software comparable to, or even better than, what it took large teams of people to create in the commercial or academic world. As important as that programming was, just as...
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a history of modern computing 2nd edition phần 9 pps
... only a chip supplier. 29. National Museum of American History, calculator collections. A Bowmar was even mentioned in the hit Broadway play ‘‘Same Time Next Year,’’ which was about an accountant’s ... American history, and at least a few champions of the Internet are aware of how naive these earlier visions were. 7 Silicon Valley has some of the most congested real highways in...
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a history of modern computing 2nd edition phần 10 potx
... 148, 1 56, 249–250 American Management Systems (AMS), 168 American Totalisator Company, 26 Anderson, Harlan, 127 Andreessen, Marc, 303 APL (A Programming Language), 233, 235, 248 Apollo Guidance ... 30 Atomic Energy of Canada, 128–129 AUTOCODE programming language, 113 Automatic Data Processing (ADP), 168 Automatic payrolls, 168 Automatic programming. See Compilers Automatic teller mac...
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