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Essay

Cell phones

Essay specific features

 

Issue:

Technology

 

Written by:

Judy B

 

Date added:

April 10, 2013

 

Level:

University

 

Grade:

B

 

No of pages / words:

2 / 492

 

Was viewed:

9420 times

 

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Essay content:

Depending on the cell-phone model, you can: Store contact information Make task or to-do lists Keep track of appointments and set reminders Use the built-in calculator for simple math Send or receive e-mail Get information (news, entertainment, stock quotes) from the Internet Play simple games Integrate other devices such as PDAs, MP3 players and GPS receivers But have you ever wondered how a cell phone works? What makes it different from a regular phone? What do all those confusing terms like PCS, GSM, CDMA and TDMA mean? In this article, we will discuss the technology behind cell phones so that you can see how amazing they really are...
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The telephone was invented by Alexander Graham Bell in 1876, and wireless communication can trace its roots to the invention of the radio by Nikolai Tesla in the 1880s (formally presented in 1894 by a young Italian named Guglielmo Marconi). It was only natural that these two great technologies would eventually be combined! In the dark ages before cell phones, people who really needed mobile-communications ability installed radio telephones in their cars...
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General issues of this essay:
Cell phones and driving cell phones Cell Phones Cell Phones Compare- cell phones/home phones Cell Phones Cell Phones in Society Cell Phones and Driving Cell Phones Cell Phones Cell Phones Cell Phones: Friend Or Foe? Cell phones Cell phones Word Without Cell Phones
 

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