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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
Computer Science
difficulty of creating a master disk, restricts the use of CD ROM for very
large amounts of information whose value is high enough to justify the cost
of production. A typical example is the disk which contains all the addresses
and postcodes of businesses in the UK; or of an encyclopaedia in CD form.
This is all ROM data, because at the time of writing, despite considerable
effort, no suitable read-write system has yet been evolved. The CD ROM
drive is not costly, and the price of a disk is usually greater than the price of
the drive, because of the large amount of information on a disk, of the order
of 600 Mb.
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Publisher Resources

ISBN: 9781483104256