|
This is a free sample preview of the essay
History Of Telecommunications
Beginning of essay
Telecommunication is the transmission of words, sounds, images, or data in the form of electronic or electromagnetic signals or impulses. Transmission media include the telephone, radio, television, microwave, and satellite. Data communication is the fastest growing field of telecommunication. ....
Middle of essay
....m tower to tower. Especially sensible was a torch telegraph, which was invented about 2500 years ago. The receiving and transmitting station that was built of two separate walls, which were placed on hilltops. Each one had a place where to set the torch between each station. This is how they communicated at night. It could take as many as 173 torches to send a simple 4 or 5 word message.
Smoke Signaling
Smoke signaling was used by the Indians. They used smoke signaling to exchang.... |
| Number of words: 2827 |
Approximate pages: 11 |
|
Need help with writing your essay? Sign up today to view the rest of this paper and get unlimited access to over 45000 other essays just
like it. Some other sites charge you for each essay, but here at EssayPal we give you full access to our entire database for one low subscription
fee. Thousands of other students around the world have realized what an affordable deal this is and have become members. Come see what
you are missing out on. Once you've become a member, you will not go back to the other term paper sites either.
| Length |
Type |
Price |
PayPal |
| 30 days |
recurring |
$19.95 |
| 90 days |
recurring |
$39.95 |
| 180 days |
non-recurring |
$69.95 |
|
|
|
