Mobile device

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A mobile phone

A mobile device is an electric device which its user can easily move. Typical examples are a mobile phone, PDA and Game Boy. Mobile devices do not need electricity connection to work. Usually, they have a battery to hold electricity to work without electric wires. A user can change, send and take the data with connection by modem or cable. Many exchange data wirelessly. Uses for these devices include reading and writing e-mails, surfing in the internet and listening to music. More complicated mobile devices can plan days, run computer games, and have almost all functions of desktop PC.

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Mobile devices can be classifed by size and capabilities:

  • With small, text-screen. Mostly used for write short messages. Example: cell phones.
  • With medium screen. Examples: Smartphone, E-reader.
  • With big screen and able to run operating system. Examples: laptops, palmtops, tablets.

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