a history of modern computing 2nd edition phần 10 potx
... 169 NACA. See National Advisory Committee for Aeronautics NAS. See National Advanced Systems NASA (National Aeronautics and Space Administration). See also National Advisory Committee for Aeronautics 440 ... originated with Donald Davies of the National Physical Laboratory in the U.K. See Martin Campbell-Kelly, ‘‘Data Communications at the National Physical Laboratory (1965–1975),’’ Annals...
Ngày tải lên: 14/08/2014, 20:20
... 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...
Ngày tải lên: 14/08/2014, 20:20
... 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...
Ngày tải lên: 14/08/2014, 20:20
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, ... Eckert and Mauchly designed and built the ENIAC at the University of Pennsylvania’s Moore School of Electrical Engineering. The ENIAC was an electronic calculator...
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a history of modern computing 2nd edition phần 2 pdf
... carried Computing Comes of Age, 1956–1964 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 fin...
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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
... commit- tee had to argue that the advantages of having a path for upward migration for 360-customers would overwhelm any advantages of a competitor’s shot at a particular model. At the highest end ... on modern personal computers, than like the archival storage style of mainframe tape drives. 66 The physical packaging of the PDP-8, a factor that mattered less for large syste...
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a history of modern computing 2nd edition phần 6 pdf
... 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 after Howard Aiken). He ... 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...
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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 ... it took large teams of people to create in the commercial or academic world. As important as that programming was, just as important was the legal agreement Stallman crafted to guaran...
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a history of modern computing 2nd edition phần 9 pps
... collections. A Bowmar was even mentioned in the hit Broadway play ‘‘Same Time Next Year,’’ which was about an accountant’s once -a- year affair with a woman. The accountant (played by Alan Alda in the ... the last time these words are spoken. But promises of a technological Utopia have been common in American history, and at least a few champions of the Internet are aware of ho...
Ngày tải lên: 14/08/2014, 20:20