a history of modern computing 2nd edition phần 9 pps
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 ... accountant’s once -a- year affair with a woman. The accountant (played
by Alan Alda in the movie version) used the Bowmar to keep track of the affair.
30. Electronics (April 17, 198...
a history of modern computing 2nd edition phần 4 ppsx
... 7 090 series gave the
equivalent of ten decimal digits. That was adequate for most applica-
tions, but many assumed that customers would not want a machine that
could not handle at least that many.
Minicomputers ... controlled, managed, and channeled the chaos of
technical innovation into market dominance. Central to smooth opera-
tions at IBM was a character from a best-seller from...
a history of modern computing 2nd edition phần 8 pps
... original ARPANET). By January 199 3
Andreessen and Bina had written an early version of a browser they
would later call Mosaic, and they released a version of it over the
Internet.
50
Mosaic married ... 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 wa...
a history of modern computing 2nd edition phần 1 docx
... 194 5– 195 6 13
2
Computing Comes of Age, 195 6– 196 4 47
3
The Early History of Software, 195 2– 196 8 79
4
From Mainframe to Minicomputer, 195 9– 196 9 1 09
5
The ‘‘Go-Go’’ Years and the System/360, 196 1– 197 5 143
6
The ... programmers, and soft-
ware specialists that had to be hired into the company to manage a
machine that was supposed to eliminate clerical workers. It was n...
a history of modern computing 2nd edition phần 2 pdf
... carried
Computing Comes of Age, 195 6– 196 4 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 ... two decades later, in
the form of automatic teller machines, bar-coded products scanned at
supermarket and retail check-out stations, and massive financial and
personal databa...
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 ... same program (with a few minor changes)
ran on a UNIVAC II and an RCA 501. Whether COBOL was well
designed and capable is still a matter of debate, however.
Part of COBOL’s ancestry...
a history of modern computing 2nd edition phần 5 potx
... later). For
large and small systems, time-sharing became an acceptable and
economical way of using a computer.
A key factor was the development of disk storage that offered rapid
and 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- 197 1 the company introdu...
a history of modern computing 2nd edition phần 6 pdf
... from a company that made
oscilloscopes.
By 197 0 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 ... continuous
discussions of the advantages and drawbacks of each—the one machine
having the ability to evaluate complex mathematical expressions with
ease, the other more primiti...
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, ... the
Internet out of its ARPA roots in the 199 0s.
Bell Laboratories, where UNIX was created, was a part of AT&T, a
regulated monopoly. Before it breakup in 198 1, AT&...
a history of modern computing 2nd edition phần 10 potx
... originated with Donald Davies of the
National Physical Laboratory in the U.K. See Martin Campbell-Kelly, ‘‘Data
Communications at the National Physical Laboratory ( 196 5– 197 5),’’ Annals of
the History ... delete all
unnecessary spaces from your program.’’ (MITS Altair BASIC Reference Manual,
56; National Museum of American History, Altair Curatorial File.)
91 . Manes and Andrews,...
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