a history of modern computing 2nd edition phần 7 potx
a history of modern computing 2nd edition phần 7 potx
... formal andserious than those on Usenet, although they also had a wide range. Afterabout a decade and a half of parallel operations, all three of thesestreams blended into a community of news, ... A few programs were announced at thesame time: a ‘‘paint’’ (drawing) program, based on work done at Xerox-PARC on a Data General Nova, and a word processor that came close toWYSIWYG. A year ... poor quality software thatwasted more company time than it saved. The ‘‘personal’’ in the PCmeant also that a worker’s choices of software, based on personalsatisfaction, did not always mesh...
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a history of modern computing 2nd edition phần 5 potx
... later). Forlarge and small systems, time-sharing became an acceptable andeconomical way of using a computer. A key factor was the development of disk storage that offered rapidand direct access ... a single printed circuit board about 15 inches square.This board was larger than what was standard at the time and made for a very compact package.In mid-1 971 the company introduced an advanced ... Wesley Graham, it was teaching computing to more undergraduates than almost any other school inCanada. In 19 67 it apparently also owned the most powerful computerin all of Canada (a System/360...
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a history of modern computing 2nd edition phần 10 potx
... Corporation, 164Amdahl, Gene, 148, 156, 249–250American Management Systems(AMS), 168American Totalisator Company, 26Anderson, Harlan, 1 27 Andreessen, Marc, 303APL (A Programming Language), 233,235, ... 102AT&T, 65, 66, 172 , 282. See also BellLaboratoriesAtanasoff, J. V., 38Atlas computer (ERA). SeeEngineering Research Associates,1101Atlas computer (Manchester). SeeFerranti, AtlasAtlas ... AtlasAtlas missile, 67 Atomic Energy Commission, 30Atomic Energy of Canada, 128–129AUTOCODE programming language,113Automatic Data Processing (ADP), 168Automatic payrolls, 168Automatic programming....
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a history of modern computing 2nd edition phần 1 docx
... information-handlingmachines, played. Information or ‘‘intelligence’’ has been a crucialpart of all warfare, but as a means to an end. In the Cold War itbecame an end in itself. This was a war of code-breaking, ... Eckert and Mauchly designed and builtthe ENIAC at the University of Pennsylvania’s Moore School of ElectricalEngineering. The ENIAC was an electronic calculator that inauguratedthe era of digital ... had a late start in computing, never producing vacuum tube computers at all. Japanese firms maderemarkable advances in integrated circuit production, however, and hadestablished a solid place...
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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 asany other, in contrast to the sequential retrieval of a datum from a deck of ... two decades later, inthe form of automatic teller machines, bar-coded products scanned atsupermarket and retail check-out stations, and massive financial andpersonal databases maintained by ... used an extra bit appended toeach coded character to indicate whether or not it was the last one of a word; the 70 2 used a a special character that signified that the end wasreached. 27 Although...
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a history of modern computing 2nd edition phần 3 doc
... in chapter 7. Sorting DataRegardless of what level of programming language they used, allcommercial and many scientific installations had to contend with anactivity that was intimately related ... the Navy ordered Grace Murray Hopper to theComputation Lab to assist Howard Aiken with programming it.Hopper had been a professor of mathematics at Vassar College andhad taken leave to attend ... same program (with a few minor changes)ran on a UNIVAC II and an RCA 501. Whether COBOL was welldesigned and capable is still a matter of debate, however.Part of COBOL’s ancestry can be traced...
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a history of modern computing 2nd edition phần 4 ppsx
... of cards to the campus IBMmainframe. Among its most famous applications was as a controller forthe Tech Model Railroad Club’s layout. 57 Clearly the economics of mainframe computer usage, as ... commit-tee had to argue that the advantages of having a path for upwardmigration for 360-customers would overwhelm any advantages of a competitor’s shot at a particular model.At the highest end ... equipment.45NASA’s modifications did show that a large,commercial mainframe could operate in other than a batch mode.NASA’s solution involved a lot of custom work in hardware and software,but in...
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a history of modern computing 2nd edition phần 6 pdf
... was writing BASIC for the Altair, Gates was at Harvard. Hedid 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 ... continuousdiscussions of the advantages and drawbacks of each—the one machinehaving the ability to evaluate complex mathematical expressions withease, the other more primitive but potentially capable of doing all ... the Altair was to have BASIC. 87 William Gates III was born in 1955, at a time when work on FORTRANwas just underway. He was a student at Harvard when the famous cover of Popular Electronics appeared...
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a history of modern computing 2nd edition phần 8 pps
... help of others at NCSA, Mosaic was rewritten to run onWindows-based machines and Macintoshes as well as workstations. As a product of a government-funded laboratory, Mosaic was made availablefree ... was a suit filed in19 87 by Lotus against a company called Paperback Software, establishedby Adam Osborne of portable computer fame. Paperback was selling a spreadsheet that functioned identically ... widespreadadoption established a de facto standard for the C programminglanguage—that is, a standard C was defined as a language that theGNU C Compiler understood. And it was free. Ver y free.Stallman’s...
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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 waseven mentioned in the hit Broadway play ‘‘Same Time Next Year,’’ which wasabout an accountant’s ... accountant’s once -a- year affair with a woman. The accountant (playedby Alan Alda in the movie version) used the Bowmar to keep track of the affair.30. Electronics (April 17, 1980): 3 97 398; also ‘‘Microelectronics ... with Alec Issigonis,’’ Road & Track (RoadTest Annual, 1962): 18–19. 77 . DEC’s management style attained the status of myth, especially after thepublication of The Change Masters by Rosabeth...
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