1. Throughout this book, I use the terms “information technology” and “IT,” as they are the terms most widely used in the United States. In other areas of the world, the somewhat more precise terms “information and communications technology” and “ICT” have come into favor. As commonly used, I believe “IT” and “ICT” are interchangeable in meaning, and I use “IT” with that understanding.

2. In fact, the center of innovation for the IT industry appears to be shifting from the business to the consumer market. With home PCs increasingly being used for video editing, audio and image processing, and graphics-intensive gaming, the average home computer user today has a greater need for additional processing power and innovative new software ...

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