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.

　　【譯文】

　　計算機

　　你可能對計算機知道你的整個生活。但電腦還沒有真的很久左右。計算機開始成為在20世紀60年代的大企業(yè)的青睞。電腦并沒有成為普遍的家庭和學校，直到20世紀80年代。

　　人們如何使用電腦?

　　人們以多種方式使用計算機。商店使用計算機來保持產品的跟蹤和檢查在收銀你。銀行使用計算機來發(fā)送世界各地的資金。

　　計算機幫助教師掌握的經驗教訓和等級的軌道。他們幫助學生做研究和學習。讓你的計算機掛接到網絡(多臺計算機連接在一起)。他們讓你連接一個世界性網絡稱為互聯(lián)網。

　　科學家利用計算機來解決研究問題。工程師使用計算機來制造汽車，卡車和飛機。建筑師用計算機設計的房屋和其他建筑物。警方使用計算機來緝拿罪犯。軍事用途的計算機，使編碼和讀取信息。