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Multiple Choice Quiz
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1

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In the circuit shown above, what is the output of the PLL?
A)amplitude phasor
B)oscillations
C)phase signal
D)+DC
2
Which generation of cell phone systems is only available in a few major US cities?
A)1G
B)2G
C)3G
D)4G
3
Which of the following features is not currently available with current cell phone technology?
A)digital camera
B)GPS
C)MP3 player
D)indefinite battery life
4
The most complex and expensive part of any cellular telephone system is the
A)handset hardware
B)handset software
C)power supply and battery
D)network of base stations
5
A radio system that provides standard telephone service by two-way radio at remote locations is
A)cellular
B)citizen’s band
C)POTs
D)DSL
6
Cellular radio systems divide the service area into many smaller areas known as
A)pods
B)cells
C)cubes
D)sectors
7
As assigned by the Federal Communications Commission, cellular radio systems operate in the
A)LF and HF bands
B)HF and VHF band
C)VHF and UHF bands
D)UHF and microwave bands
8
Which cellular access system allows many users to share a block of spectrum by dividing it up into many smaller channels?
A)frequency reuse
B)frequency-division multiple access
C)time-division multiple access
D)code-division multiple access
9
All cell phone systems are
A)quarter duplex
B)half duplex
C)three-quarter duplex
D)full duplex
10
The PCS-1900 band extends from
A)1.85 to 1.99 kHz
B)1.85 to 1.99 MHz
C)1.85 to 1.99 GHz
D)185 to 199 GHz





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