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the computer is used tu work, play, program and a lot of things -
The telegraph is used to send messages. -
the telephone is used to communicate with your loved ones -
is used to listen music and the news -
is used for watch the news. -
it is similar to mobile but bigger -
The mobile cell phone is an electronic device that allows communication through various tools: by telephone, through applications, emails, among others. The function of the cell phone is to communicate and that is the root of its importance, especially in emergency situations.