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Mixed Quiz
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1

_______ is a first-generation cellular phone system.
A)GSM
B)IS-95
C)AMPS
D)D-AMPS
2

AMPS uses _______ for modulation.
A)FM
B)FSK
C)PM
D)(a) and (b)
3

_______ separates the AMPS voice channels.
A)CDMA
B)TDMA
C)FDMA
D)(b) and (c)
4

_______ is a cellular telephone system popular in Europe.
A)GSM
B)D-AMPS
C)IS-95
D)AMPS
5

D-AMPS uses _______ for multiplexing.
A)CDMA
B)TDMA
C)FDMA
D)(b) and (c)
6

GSM uses _______ for multiplexing.
A)CDMA
B)TDMA
C)FDMA
D)(b) and (c)
7

DSSS is used by the _______ cellular phone system.
A)AMPS
B)IS-95
C)D-AMPS
D)GSM
8

_______ base stations use GPS for synchronization.
A)GSM
B)IS-95
C)AMPS
D)D-AMPS
9

_______ will have 288 satellites in 12 polar orbits.
A)Teledesic
B)Globalstar
C)Iridium
D)GPS
10

IS-95 has a frequency reuse factor of _______.
A)7
B)95
C)1
D)5
11

The path that a satellite makes around the world is called _______.
A)An orbit
B)A period
C)A footprint
D)An uplink
12

A GEO satellite has _______ orbit.
A)A polar
B)An inclined
C)An equilateral
D)An equatorial
13

Which orbit has the highest altitude?
A)LEO
B)GEO
C)MEO
D)HEO
14

_______ is a second-generation cellular phone system.
A)D-AMPS
B)GSM
C)IS-95
D)All the above
15

A _______ is a computerized center that is responsible for connecting calls, recording call information, and billing.
A)Cell
B)Mobile station
C)Base station
D)Mobile switching center
16

_______ has 48 satellites in six polar orbits.
A)Iridium
B)Teledesic
C)Globalstar
D)GPS
17

The signal from a satellite is aimed at a specific area called the _______.
A)Orbit
B)Period
C)Footprint
D)Uplink
18

In _______, a mobile station always communicates with just one base station.
A)Roaming
B)A roaming handoff
C)A hard handoff
D)A soft handoff
19

MEO satellites orbit _______ Van Allen belts.
A)In the
B)Above both
C)Below both
D)Between the
20

_______ is often used for navigation purposes.
A)GPS
B)AMPS
C)IS-95
D)Iridium
21

An LEO satellite has _______ orbit.
A)An equatorial
B)A polar
C)An inclined
D)All the above
22

Teledesic is a _______ LEO satellite system.
A)Passband
B)Broadband
C)Little
D)Big
23

_______ has 66 satellites in six LEOs.
A)Globalstar
B)Teledesic
C)GPS
D)Iridium
24

Transmission from the Earth to the satellite is called the _______.
A)Downlink
B)Uplink
C)Footlink
D)Up print
25

The _______ is not used for voice communication.
A)GPS
B)Iridium system
C)IS-95 system
D)Globalstar system





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