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Computer Science
book

Computer Science

by Ian Sinclair
May 2014
Beginner content levelBeginner
186 pages
9h
English
Newnes
Content preview from Computer Science
Inside the machine
manufactured. These internal connections are either to earth (zero voltage)
or to the supply voltage connection (the one voltage), and are made using
conducting silicon.
Because a masked ROM is manufactured using very expensive tooling and
the contents of the ROM are unalterable, this method is used only when the
contents are well tested and required in large numbers. When the ROM is
used only to boot in an operating system, this is by far the cheapest method,
because the requirements are simple and unchanging. The desktop com-
puters which used their own operating systems often placed them in ROM,
but this had the disadvantag ...
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Publisher Resources

ISBN: 9781483104256