What is the phone need?


What is the phone need?
the phone is a communication device designed to transmit the human voice and enable conversation over a distance. HAS what need does he answer? Thanks to him, we can communicate remotely without moving.
What is the smartphone need?
For workers who need to communicate and convey information quickly, while managing a diary and that sort of thing, a smart phone is needed today. It is indeed a product designed to meet a need real. But when we dois not in this kind of business?
Why is the phone not useful?
This prodigality does not serve not the quality of communication which requires personal time, attention and contact. the portable may minimize the attention paid to the other and to one’s own environment.
What are the advantages and disadvantages of a smartphone?
The benefits of the use of smartphones by children
- They are part of our reality
- They allow you to deepen your knowledge. …
- They promote security and contact. …
- They encourage accountability…
- They can be learning tools. …
- They affect fine motor skills.
What is the most useful use of mobile phones?
The most useful use of mobile phones is to call for help in an emergency. This case is however very rare, generally, the telephone is a way to reach acquaintances and to remain in theoretical contact with the whole world.
How does a cell phone work?
How does a cell phone work? The cell phone uses Hertzian waves which travel at the speed of light. When a call is made, the voice is converted into a digital signal.
What are the advantages of the cell phone?
Advantages of cell phone. The most useful use of mobile phones is to call for help in an emergency. This case is however very rare, generally, the telephone is a way to reach acquaintances and to remain in theoretical contact with the whole world.
How does mobile telephony work?
With mobile telephony, the territory is divided into zones called “cells”. The latter have an area ranging from a few hundred meters to a few kilometres. France, for example, is divided into 40,000 cells! Each zone is served by a low-power transmitter and in which the interlocutor is located.