Computer
You’ve probably known about computers your whole life. But computers have not really been around for very long. Computers started to become popular with big companies in the 1960s. Computers didn’t become widespread in homes and schools until the 1980s.
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 (many computers hooked together). They let you hook up to a worldwide network called the Internet.
Scientists use computers to solve research problems. Engineers use computers to make cars, trucks, and airplanes. Architects use computers to design houses and other buildings. The police use computers to track down criminals. The military uses computers to make and read coded messages.
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计算机
你可能对计算机知道你的整个生活。但电脑还没有真的很久左右。计算机开始成为在20世纪60年代的大企业的青睐。电脑并没有成为普遍的家庭和学校，直到20世纪80年代。
人们如何使用电脑?
人们以多种方式使用计算机。商店使用计算机来保持产品的跟踪和检查在收银你。银行使用计算机来发送世界各地的资金。
计算机帮助教师掌握的经验教训和等级的轨道。他们帮助学生做研究和学习。让你的计算机挂接到网络(多台计算机连接在一起)。他们让你连接一个世界性网络称为互联网。
科学家利用计算机来解决研究问题。工程师使用计算机来制造汽车，卡车和飞机。建筑师用计算机设计的房屋和其他建筑物。警方使用计算机来缉拿罪犯。军事用途的计算机，使编码和读取信息。
