Inventions - The Telephone

Inventions - The Telephone
Inventions - The Telephone
Inventions - The Telephone
Inventions - The Telephone
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0.91 MB   |   22 slides pages

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This is a 22 slide, highly animated, power point presentations on Inventions - The Telephone. Each of the presentation slides are editable so you can change it to fit your individual needs.

One of the most important and revolutionary inventions which has impacted modern day communication is the invention of the telephone. The idea behind the telephone is simple: a system which converts sound into a series of electrical impulses of differing frequencies, and then reverses this procedure to re-create the sound, typically a human voice.

Sounds simple enough, but it took many years and an array of different inventors to finally succeed with the technology. Today the telephone is an all purpose tool. It is used in the home, business and in education. It is a source of entertainment and a vital resource to the illiterate as well as the literate.
The telephone has become an integral part of our lives since it was invented.

The presentation covers the following:

Introduction (2)
Who Invented the Telephone?
Electromagnetic Receiver
First Telephone Conversation
First Telephone Systems
First Automatic Telephone Exchange
First Telephone Coin Operated Telephones
First Rotary Dial Telephone
The Mobile Phone
Touch Tone Systems
Cell Phone Technology
Impact of the Telephone
Business & Personal Impact
Impact on Safety
Impact on Social Interaction
Impact on Communication
Impact on Privacy
Love Them or Hate Them
End of Presentation

This is one of many power point presentations I offer in my store under the heading.... Inventions.

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22 slides
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Inventions - The Telephone
Inventions - The Telephone
Inventions - The Telephone
Inventions - The Telephone
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