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(jì)算機(jī)

　　你可能對(duì)計(jì)算機(jī)知道你的整個(gè)生活。但電腦還沒(méi)有真的很久左右。計(jì)算機(jī)開(kāi)始成為在20世紀(jì)60年代的大企業(yè)的青睞。電腦并沒(méi)有成為普遍的家庭和學(xué)校，直到20世紀(jì)80年代。

　　人們?nèi)绾问褂秒娔X?

　　人們以多種方式使用計(jì)算機(jī)。商店使用計(jì)算機(jī)來(lái)保持產(chǎn)品的跟蹤和檢查在收銀你。銀行使用計(jì)算機(jī)來(lái)發(fā)送世界各地的資金。

　　計(jì)算機(jī)幫助教師掌握的經(jīng)驗(yàn)教訓(xùn)和等級(jí)的軌道。他們幫助學(xué)生做研究和學(xué)習(xí)。讓你的計(jì)算機(jī)掛接到網(wǎng)絡(luò)(多臺(tái)計(jì)算機(jī)連接在一起)。他們讓你連接一個(gè)世界性網(wǎng)絡(luò)稱為互聯(lián)網(wǎng)。

　　科學(xué)家利用計(jì)算機(jī)來(lái)解決研究問(wèn)題。工程師使用計(jì)算機(jī)來(lái)制造汽車(chē)，卡車(chē)和飛機(jī)。建筑師用計(jì)算機(jī)設(shè)計(jì)的房屋和其他建筑物。警方使用計(jì)算機(jī)來(lái)緝拿罪犯。軍事用途的計(jì)算機(jī)，使編碼和讀取信息。