Touchstone/Simon and Schuster, 541 pp., $14.00 (paper)
Atheneum, 374 pp., $24.00
Random, 445 pp., $25.00
Times Books, 272 pp., $28.00
Crown, 375 pp., $24.00
The 'computer revolution' of the last twenty years or so is often discussed as if it were a single huge phenomenon. But it has involved many separate technical and business trends moving in different directions at different speeds. The technical change that has had the biggest impact on daily life has been the phenomenal advancement in semiconductor chips over the past fifteen years. The chips, tiny collections of electronic circuits, fall into two large categories: memory chips (which store information) and processors (which carry out instructions about what to do with the information). The central-processing chip that controls one of today's typical personal computers operates about one hundred times as fast as the chip supplied with the original IBM personal computer in 1981. The memory chips on today's typical personal computers can store five hundred times as much information as the original IBM PC did, for about the same price.[1]
Review, 8445 words
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