Glass or plastic fibers carrying light pulses, each pulse a bit
Anonymous Quiz
3%
Coaxial cables
95%
Fiber Optics
1%
Twisted Pair
low error rate: repeaters spaced far apart, immune to electromagnetic noise
Anonymous Quiz
5%
Twisted Pair
7%
Coaxial cables
88%
Fiber Optics
Signal carried in various "bands" in electromagnetic spectrum
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14%
wired
86%
wireless radio
Propagation environment effects:
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2%
Reflection
0%
Obstruction by objects
3%
nterference/noise
95%
All of the above
Use as line-of-sight transmission of data signals via atmosphere
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89%
Terrestrial microwave
11%
Physical cable
Microwave transmission offers low speed, cost-effectiveness and ease implementation
Anonymous Quiz
9%
T
91%
F
Satellite transmission is a form of microwave transmission in which a satellite acts as the relay
station
station
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95%
T
5%
F
Its basic components are earth stations, which send and receive signals
Anonymous Quiz
94%
Satellite transmission
6%
Physical cable
….. is the satellite components that receive the transmission from an earth.
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22%
Transceiver
75%
Transponder
3%
Translation
Light carries data, more than 26,000 times the capacity of twisted pair
Anonymous Quiz
6%
Twisted pair
2%
Coaxial cable
84%
Fiber-optic cable
8%
Radio frequency
High-frequency radio waves, travels in straight line through the air
Anonymous Quiz
6%
Fiber-optic cable
1%
Coaxial cable
0%
Twisted pair
31%
Radio frequency
62%
Microwave
Microwave relay station in the sky, used by GPS devices
Anonymous Quiz
7%
Microwave
5%
Radio frequency
0%
Coaxial cable
88%
Satellite
Solid copper core, more than 80 times the capacity of twisted pair
Anonymous Quiz
10%
Fiber-optic cable
67%
Coaxial cable
15%
Twisted pair
8%
Infrared
A … is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device
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4%
sender
1%
receiver
77%
communications device
18%
channel