Technology

Telephone vs. Telegraph

Technology

Telephone vs. Telegraph

A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. A telephone converts sound, typically and most efficiently the human voice, into electronic signals that are transmitted via cables and other communication channels. Telegraphy is the long-distance transmission of textual or symbolic messages without the physical exchange of an object bearing the message.

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