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When was a portable mobile phone invented?
In 1973
Who invented it?
Martin Cooper
How much did the DynaTAC weight?
About a kilo
How could you charge a DynaTAC phone?
With a heavy shoulder pack which had batteries in it.
What was one of the problems of the first generation of mobile phone systems?
They had weak signals
What happened to mobile phones as technology improved?
They become smaller and offered more features
What improved with the introduction of 2G mobile systems?
Reception over wider areas
How many texts are sent every year?
Over 2 trillion
What changed the world of journalism?
Camera phones
When did 3G technology appear?
In the early 2000s
What do 3G mobile phone act as?
They act as Internet browsers, media players and game consoles.
What have 3G mobile phones made a reality?
Video calling and mobile TV
What are mobile phone companies coming up with?
New ideas and exciting 'concept' mobiles
think of, suggest
come up with
not strong
weak
easy to bend
flexible
