GIS Midterm Quiz

True or False: The Conceptual Model Data Level is closer to the Computer Oriented level than to the Human Oriented Level.

• True

• False

What characteristic most accurately defines Interval Scale?

• Begins at a non-arbitrary zero point.

• Quantifies difference between two ranks

• The same group demonstrates different levels of the common characters

• Names different things

What is one Con of Vector Data Models?

• Compact Data Storage

• Accurate Measure

• Complex Structure

• Efficient Topological relationship representations

What is the defining characteristic represented by the Geoid?

• Topology

• Gravity

• Elevation

• Distortion

What coordinate system uses 60 boundary zones and is widely used in the US and North America?

• Mercator

• Lambert Conical

• Albers

• UTM

The Multipath Effect is when GPS signals reach an antenna after...

• Being time corrected

• a frequency modulation

• determining the dilution of precision

• reaching other objects on the surface

What is the 15 degree cutoff strategy?

• When satellites should be angled 15 degrees apart

• When only tracking satellites 15 degrees above the horizon

• Where satellites should be angled 15 degrees off from relative to the equator

• When a satellite is at a 15 degree angle from the base station.

Objects that are further away will appear closer together due to what?

• Relief distortion

• Geometric distortion

• Perspective Convergence

• Optical Axis

What is not a component of a schema?

• Query

• Key

• Entity

• Relationship

What scale begins at a non-arbitrary zero?

• Nominal

• Ordinal

• Interval

• Ratio