GPS Multiple Choice Questions and Answers | GPS Questions and Answers

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Questions
1 GPS means
A Global Projecting System
B Global Positioning System
C Global Processing System
D Global Parsing System

Answer: Global Positioning System
2 Mapmakers use GPS to verify the
A boundaries
B roads
C towns
D places

Answer: boundaries
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3 Airplane and boat pilots use GPS for
A mapping
B limit setting in air or water
C navigation
D bearing

Answer: navigation
4 GPS was invented in
A 1970s
B 1980s
C 1990s
D 1960s

Answer: 1970s
5 Smallest GPS unit is the one
A in cars
B you can wear on wrist
C in the airplanes
D in the boats

Answer: you can wear on wrist
6 GPS (as normally available to the civilian user) provides a nominal fix accuracy of
A 100 meters with Selective Availability enabled.
B 30 meters.
C 50 feet.
D 30 feet.

Answer: 100 meters with Selective Availability enabled.
7 GPS requires use of
A three satellites for an earth surface fix.
B four satellites for a 3D fix.
C both (a) and (b).
D Only (a)

Answer: both (a) and (b).
8 GPS keeps time
A with atomic clocks in each satellite.
B with atomic clocks in each receiver.
B both (a) and (b).
B Only (c)

Answer: with atomic clocks in each satellite.
9 DGPS is
A a means for using GPS in your personal computer.
B a USCG program to use GPS to provide improved position accuracy.
C a scheme tp provide GPS data in a digital format.

Answer: a USCG program to use GPS to provide improved position accuracy.
10 The chart datum used by a GPS navigation set
A is always WGS-84.
B is always the same.
C must be the same as for the chart being used.

Answer: must be the same as for the chart being used.

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