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Mobile phone in our life
Содержание
- 1. Mobile phone in our life
- 2. The first mobile phoneThe first mobile phone
- 3. Motorola DynaTAC 8000XIt weighs about 1.15 kg.
- 4. Motorola DynaTAC 8000X
- 5. Motorola DynaTAC 8000X
- 6. At present mobile phones have become ingrained
- 7. mobile phones provoke a range of
- 8. The most popular mobile phone manufacturersNokia
- 9. Modern mobile phones can have different shape and color
- 10. Thanks for your attention!
- 11. Скачать презентанцию
The first mobile phoneThe first mobile phone was created in 3 April 1973 by Martin Cooper, who was the representative of the company «MOTOROLA».
Слайды и текст этой презентации
Слайд 3Motorola DynaTAC 8000X
It weighs about 1.15 kg. Battery lasts up
to 30 minutes of conversation, but it had to charge
about 10 hours. From 1973 to 1983 was made only 5 DynaTAC-s, and started from 1983 modern version of this model was sold, which weighed 850 grams and it was cost $ 3,995. During the first year of sales of mobile phones about 12,000 Americans bought Motorola DynaTAC 8000X.
Слайд 6At present mobile phones have become ingrained in our everyday
lives
they serve a communication tool used to make and receive
calls send text messages
listen to music
surf the internet
play mobile games
use it as a camera
Слайд 7 mobile phones provoke a range of problems
People have started
to see each other less frequently
Mobile communication requires quite a
lot of moneythe greatest disadvantage of cell phones is certainly their harmful influence on people’s health.
Слайд 8The most popular mobile phone manufacturers
Nokia
Samsung
Sony ericsson
Hts
Apple
Black berry
Motorola
LG
Siemens
