Computers In Education

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Issue:

Technology

 

Written by:

Kelly B

 

Date added:

November 26, 2014

 

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Grade:

B

 

No of pages / words:

2 / 477

 

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4345 times

 

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Essay content:

For example, motion pictures, broadcast television, filmstrips, audio recorders, and videotapes were all initially heralded for their instructional potential, but each of these ultimately became minor classroom tools alongside conventional methods. Communications Satellite A communications satellite is an artificial SATELLITE placed into orbit around the Earth to facilitate communications on Earth...
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Most long-distance radio communication across land is sent via MICROWAVE relay towers. In effect, a satellite serves as a tall microwave tower to permit direct transmission between stations, but it can interconnect any number of stations that are included within the antenna beams of the satellite rather than simply the two ends of the microwave link...
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