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Test your basic knowledge |
GIS: Geographic Information Systems
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Multi-scalar
TIN Topology Tables
Arcs
Map Projection
2. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Quality GIGO
Attribute Tabl
Absolute Location
Natural Breaks
3. When distances from the center of the projection to any other place on the map are uniform in all directions.
Equidistant Map Projections
Intersect
Spatial Resolution
Conformal Map Projections
4. Classes based on natural groupings through examination of histogram (good: minimizes differences bad: data range uneven)
Natural Breaks
Contour Lines
Relative Location
Objects
5. Contour lines never _______
Intersect
Equal Area Projections
DEM
Join
6. Lines that connect points of equal value.
Topology
Contour Lines
Join
Arc-node topology
7. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
Landmark knowledge
VRQ
7.5' Map
Route knowledge
8. 2 common _______: 1. Vector. 2. Raster.
TIN
Data models
Survey knowledge
Simplification
9. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Cartogram
Discrete Variables
Polar Stereographic Projections
Authority
10. Accuracy - reliability - responsibility.
Quality GIGO
Neogeography
Dot Density Map
Nominal Location
11. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Reference Maps
Cartogram
Data models
Parts of Map
12. Preserve Shape
Multi-scalar
Conformal Maps
Navigational Maps
Geotagging
13. Triangulated Irregular Network.
TIN
Area definition
Route knowledge
Neogeography
14. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Norths
Horizontal frame EDA
Location information
Join
15. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Swath Width
Natural Breaks
TIN Topology Tables
Quantile
16. Identify unique points - patterns or features in space.
Parts of Map
Landmark knowledge
Discrete Variables
Abstraction CLD
17. The 4 elements or ______: 1. Cell Value - each cell carries a value. 2. Cell size - this determines the resolution. 3. Raster bands - Can have single or multiple bands. 4. Spatial Reference - Raster data must have spatial reference.
Subsystems
GIS (Geographic Information Systems)
MODIS Bands
Raster Data Model
18. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
TIN Topology Tables
Objects
Equidistant Map Projections
North Arrow
19. GIS is ________
Maps
GIS (Geographic Information Systems)
Raster Data Model
Multi-scalar
20. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Measurement & Levels of Measurement
LandSAT TM Bands
Spatial analysis
DEM
21. Blue - Green - Red - NIR....
Survey knowledge
Dynamic maps
Absolute Location
Bands
22. A Complete frame
Area definition
Data Modelling
Route knowledge
WGS84
23. Symbol on a map used to show direction
North Arrow
Relational DBMS
Raster
Attribute Tabl
24. Digital Elevation Model
Measurement & Levels of Measurement
TIN
Temporal Resolution
DEM
25. Townships were six miles square - and were subdivided into 36 sections - each section consisting of one square mile. One section of each township was set aside to support public education - and the remaining sections were to be sold at public auction
Cartogram
Land Ordinance
Intersect
Remote Sensing
26. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Topology
MODIS Bands
LandSAT TM Bands
Neogeography
27. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Reference Maps
Temporal Resolution
LandSAT TM Bands
Spatial analysis
28. GIS is ________ - spatial analysis & dependent on the computer.
GCS
Multi-scalar
Land Ordinance
Raw data
29. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Different databases
Data Modelling
Spatial Resolution
Landmark knowledge
30. A map containing information on only one topic or theme.
Quality GIGO
Thematic Maps
WGS84
Verify Query
31. Defined by NOIR NOIR N-Nominal - qualitive data. O-Ordinal - order or ranking. I-Interval - numeric scale - arbitrary units. R - Ratio - fixed origin - continuous scale.
Vector Data Forms
GCS
WGS84
Measurement & Levels of Measurement
32. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Location information
Primary key
Data Classification
TIN Topology Tables
33. An assignment of geographic coordinates to locations.
DEM
Geocoding
RF
Land Ordinance
34. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Intersect
Continuous Variables
Hull
Direction
35. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Dot Density Map
Contour Lines
Cartogram
Remote Sensing
36. Understand spatial relations between landmarks>shortcuts.
WGS84
Survey knowledge
Thematic maps
Arcs
37. Essentials of DBMS: Each record has a ________
Raster
Unique identifier
Horizontal frame EDA
Equidistant Map Projections
38. People creating their own maps - on their own terms by combining elements of an existing toolset.
Neogeography
Area definition
Route knowledge
Attribute Tabl
39. Thematic map that uses dots to represent the frequency of a variable in a given area.
Dot Density Map
Data Modelling
Thematic Maps
Geoparsing
40. Most popular form of USGS Map
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183
41. Sailors and pilots use these maps to navigate
Navigational Maps
Raster
Nominal Location
Toponymy
42. Precision of a measurement with respect to time
Nominal Location
Dot Density Map
Quantile
Temporal Resolution
43. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Quantile
NODES
North Arrow
Landmark knowledge
44. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Equal Area Projections
Authority
Unique identifier
API
45. Application Programming Interfaces (increases access like my maps on google).
GIS (Geographic Information Systems)
Spatial analysis
Mash up
API
46. Smoothing & Shape abstraction.
Primary Color
7.5' Map
Geoparsing
Simplification
47. To avoid corrupt data!
Verify Query
Cartogram
Raster Data Model
DEM
48. 2 ______: 1. Files/records. 2. Database/collection of files.
Thematic Maps
Remote Sensing
Different databases
Attribute Tabl
49. Arcs only ___ at Nodes
Equal Area Projections
Join
North Arrow
Simplification
50. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Geocoding
GIS (Geographic Information Systems)
Arcs
Abstraction