文档介绍：Unit 3 Computers PDA abacus calculator huge computer PC laptop What ’ s next? Can you tell the development puters? robot Do you know in what puters are used today? Work out a list pare it with your partner. search for … see movies listen to music read books and magazines send emails to friends download music and films buy things on line play games on puter draw pictures look at photographs on puter use puter for school work take part in chat groups 短文填空根据课文 WHO AM I? 完成下列短文。 history puter began in 1642 in France. was first built only as a calculating machine , and later as an Analytical Machine that followed instructions from cards with holes. Still later , the “ universal machine ” is built (solve) mathematical problem , and this puter huge! It was thought to simpleminded people discovered it had “ artificial in- telligence ”. the years have gone by , computer has been made smaller , quicker cleverer. Later , computers were connected work and mon people ’ s homes to deal with information and munication people around the world. Since birth , computer has always been designed to serve the human race. The It to solve be until/before As and into between its