V.S.Gunasekara
ICT/12/13/015
3051
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Mobile Phones
History of Mobile Phones
• Alexander Graham Bell invented telephone and 1878
he made the first phone call.
• Motorola introduced some of its first cell phones
during the 1980s.
• No internet, No SMS, No Touch Screen, No GPS, No
Video, No Camera, No Music, No Bluetooth
• The first Smartphone was developed by IBM &
BellSouth which came out to in public in 1993.
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History of Mobile Phones
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How many People Using Smartphone?
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Number of smartphone users worldwide from 2014 to
2020 (in billions)
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What People Think about Mobile Phone Technology?
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Percentage of usage of Mobile Phones While doing
Another Tasks
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Where People place their Phone while Sleeping?
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Some other Interesting Stats
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Advantages of Using Mobile Phones
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Disadvantages of Using Mobile Phones
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Thank You
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Using mobile phones