Mobile device

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A mobile phone

A mobile device is an electronic device which its user can easily carry with them. Typical examples are a mobile phone, PDA and handheld game consoles. Mobile devices do not need an external power supply to work. Usually, they have a battery to hold electricity to work without electric wires. A user can change, send and move data by connecting to a modem or cable, though nowadays many exchange data wirelessly. Uses for these devices include reading and writing e-mails, surfing in the internet and listening to music. Smartphones, tablets and similar complicated mobile devices can run computer programs including computer games, and have many of the functions of a 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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