Since computers first 1 to the public in the early 1980s, technology 2a great deal. The first computers 3 simple machines designed for important tasks. Times have changed and computers 4 powerful machines. Programmers created a large selection of useful programs which do everything from teaching foreign languages to book-keeping. We still 5video games, but today's games are faster, more exciting. In short, the simple individual machines of the past 6into an international World Wide Web of knowledge.