Telephone
The telephone is a telecommunications device that transmits and receives sound, most commonly the human voice. It is one of the most common household appliances in the developed world, and has long been considered indispensable to business, industry and... Viac o knihe
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O knihe
The telephone is a telecommunications device that transmits and receives sound, most commonly the human voice. It is one of the most common household appliances in the developed world, and has long been considered indispensable to business, industry and government. The word 'telephone' has been adapted to many languages and is widely recognized around the world. The device operates principally by converting sound waves into electrical signals, and electrical signals into sound waves.
- Vydavateľstvo: Betascript Publishers
- Formát: Paperback
- Jazyk:
- ISBN: 9786130301712
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