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Multiple Choice Quiz
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1
The original signal being transmitted from the earth station to the satellite is called the
A)transponder
B)originator
C)uplink
D)downlink
2
The transmitter-receiver combination in the satellite is known as a
A)transponder
B)transceiver
C)telephonic unit
D)repeater
3
Most communication satellites operate in the
A)high-frequency spectrum
B)VHF spectrum
C)UHF spectrum
D)microwave frequency spectrum
4
Most new communication satellites will operate in which band?
A)C
B)P
C)Ku
D)W
5
One system for effectively doubling the bandwidth and information-carrying capacity of a satellite is known as
A)frequency doubling
B)frequency reuse
C)frequency enhance
D)frequency modulation
6
Uplink signals are amplified, translated in frequency, and retransmitted on the downlink to one or more earth stations by a(n)
A)repeater
B)amplifier
C)transformer
D)transponder
7
A typical commercial communication satellite contains
A)1 to 5 transponders
B)6 to 10 transponders
C)12 to 24 transponders
D)more than 100 transponders
8
Large arrays of photocells connected in various series and parallel circuits to create a power source of direct current are
A)secondary batteries
B)solar panels
C)photovoltaic cells
D)lunar panels
9
A waveguide assembly that permits both the transmitter and the receiver to use the same antenna is a
A)diplexer
B)duplexer
C)transceiver
D)terminator
10
What consists of all the electronic equipment that takes the signal to be transmitted, amplifies it, and sends it to the antenna?
A)transmitting subsystem
B)receive subsystem
C)downlink station
D)transponder





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