本文概述了计算机在商业、教育、网络等领域的广泛应用，包括银行转账、库存管理、在线学习与研究，以及网络连接的基本原理。
1 How Do People Use Computers
People use computers in many ways. Stores use computers to keep track of products and check you out at the cash register. Banks use computers to send money all over the world.
Computers help teachers keep track of lessons and grades. They help students do research and learn. Computers let you hook up to networks
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