English Unlimited HTL 1, Schulbuch mit Audio-CD und CD-ROM

44 Unit 4: Changes 5m2f6j Goals talk about past events talk about first times talk about trips talk about important events in your life write a personal letter / email giving news Technology firsts Talk about the questions. 1 Do you have a mobile ? What do you use it for? 2 Do you use a laptop ? How big is it? What do you use it for? 3 Do you have a personal music player ? Where do you use it? Look at the pictures below. Do you think these sentences are true (T) or false (F)? READING 1 2 a T F 1 Mobiles, laptops and personal music player were inventions of the 1970s. 2 They were all very expensive. Read the article to check. b ree small things that changed the world e rst mobile phone Martin Cooper, who worked for Motorola in the USA, made the rst mobile phone in 1973. On April 3, he went for a walk in New York and used the new phone to call another communications company, AT&T. is was the rst mobile phone call. Ten years later, in 1983, people could buy the mobile in shops – the DynaTAC 8000X. It was more than 30 cm long and it cost $3,995. e rst laptop e rst real laptop was the GRID Compass. A British man, William Moggridge, made it in 1979 for GRID Systems Corporation. It was 5 kg and had a 340-kilobyte memory. It was very expensive, about $9,000, but the US government liked the small computer and bought a lot of them. NASA used a GRID Compass on the Space Shuttle in the early 1980s. e rst personal music player A German-Brazilian, Andreas Pavel, made the Stereobelt in 1972. It had headphones and used cassettes. Pavel wanted people to have music everywhere they went. He met directors of electronics companies and they listened to the Stereobelt but said, “People don’t want to wear headphones and listen to music in public.” So Pavel never sold his idea, but his personal music player was the rst. Sony’s Walkman was the second, and people loved it. Nur zu Prüfzwecken – Eigentum des Verlags r öbv böb