Question

Describe your phone or laptop​

Answer 1

today is the world of technology and science.new inventions are coming day by day into the market.one most important among them is the mobile phone.it becomes the need of each and every person of any age.a number of programs and apps are also available on these mobile phones.today I would like to talk about a famous app on my mobile phone and it is facebook.nowadays, this app is famous among people of all ages.

Answer 2

Answer:

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A telephone 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 to another telephone which reproduces the sound to the receiving user. The term is derived from greek, together meaning distant voice. A common short form of the term is phone, which came into use almost immediately after the first patent was issue

AT&T push button telephone made by Western Electric, model 2500 DMG black, 1980

In 1876, Alexander Graham Bell was the first to be granted a United States patent for a device that produced clearly intelligible replication of the human voice at a second device. This instrument was further developed by many others, and became rapidly indispensable in business, government, and in households.