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UNIT 16

UNIT 16. Communications Systems. Starter. 2. Starter 2. 4. See you later. 5. Love. 6. Message. 8. Anyone. 9. No one. 10. People. 11. Are you OK? 12. thank you 13. Weekend 14 . for. Reading. 3. Reading 3. ADSL: Asymmetric digital subscriber line.

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UNIT 16

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  1. UNIT 16 Communications Systems

  2. Starter 2

  3. Starter 2 4. See you later. 5. Love. 6. Message. 8. Anyone. 9. No one. 10. People. 11. Are you OK? 12. thank you 13. Weekend 14. for

  4. Reading 3

  5. Reading 3 ADSL: Asymmetric digital subscriber line. ITSP: Internet Telephony Service Provider. MP3: MPEG Audio layer. spit: spam by internet telephony. VoIP: Voice over Internet protocol.

  6. Reading 4

  7. Reading 4 • It will cut the price of long-distance calls. • Audio compress digitized sound data. • It divides the data into very small packets. • By using a buffer to smooth out the differences. • The delay between the packets reaching the receiver and you hearing the sound.

  8. Language Work 5

  9. Language work 5 • G • A • c/d • E • f/b

  10. Language Work 8

  11. Language work 8 • I think it’s possible that ATM machines will use iris recognition rather than PIN numbers. • I think it’s probable that people will vote in elections online. • It’s very unlikely that taxis will be robot controlled. • It’s just possible that TV journalists will be able to transmit what they see by using sensors in their optic nerves.

  12. Language work 8 • It’s unlikely that there will be more robots than people in developed countries. • It’s very likely that most computers will be voice-controlled. • Mobile phones may replace computers as the commonest way to access the Internet. • English might no longer be the commonest language for websites. • Email probably will be replaced by a voice-based system. • Computers will certainly become more powerful.

  13. SpecialistReading

  14. Specialist Reading • Three • Satellite and cellular. • A modem. • Copper coaxial, fibre. • The telephone company’s equipment and some of your equipment. • B • DSL-based services.

  15. B: • specialist reading, part B , page 115 • 1- • a / iv • b/ iii • c/ ii • d/ vi • e/ vii • f/ I • g/ v

  16. B: • specialist reading, part B , page 115 • 2- • a/ false • b/ true • c/ false • d/ true • e/ true • f/ false • g/ false

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