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Test your basic knowledge |
GIS: Geographic Information Systems
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Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
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.
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. Regulary spaced sample of points representing a surface.
Polar Stereographic Projections
Lattice Model
Raw data
Authority
2. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
API
Abstraction
Datum
Raw data
3. Most popular form of USGS Map
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183
4. Area of the Earth that is displayed in each image
Contour Lines
Swath Width
Location information
Raster Data Model
5. Identify unique points - patterns or features in space.
Data models
Equidistant Map Projections
Landmark knowledge
Dynamic maps
6. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Thematic Maps
LandSAT TM Bands
Contour Lines
TIN Topology Tables
7. Connectivity: ___________. 3 elements 1. Nodes & vertices define the shape of the arc. 2. Arcs have a from-node (or starting node) & a to-node (or ending-node). 3. Arcs only join at nodes.
Objects
Arc-node topology
Equal Interval
Dot Density Map
8. 3 topological concepts: 1. Connectivity - arcs connect to each other at nodes. 2._______ - arcs that connect to surround an area define a polygon. 3. Contiguity - arcs have direction & left & right sides.
Area definition
Swath Width
Spectral Resolution
Spatial Resolution
9. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Vertical frame
Vector data models
GIS (Geographic Information Systems)
Conformal Map Projections
10. Lines that connect points of equal value.
Contour Lines
Thematic Maps
Quality GIGO
Spectral Resolution
11. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Unique identifier
Mash up
North Arrow
Horizontal frame EDA
12. Arcs only ___ at Nodes
Absolute Location
Join
Route knowledge
Selection & Elimination
13. Symbol on a map used to show direction
Measurement & Levels of Measurement
Spatial Resolution
Vector data models
North Arrow
14. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
North Arrow
Remote Sensing
Dot Density Map
Temporal Resolution
15. The ability to link files together.
Reference maps
Relational DBMS
Join
Topology
16. Assigning location information to various media (photos - video - music).
Location information
Equidistant Map Projections
Global network of data
Geotagging
17. LN 1. L - Level Surfaces. 2. N - NAVD88.
Authority
Vertical frame
Thematic maps
Grasslands
18. An assignment of geographic coordinates to locations.
Structure
Geocoding
VRQ
Thematic Maps
19. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Multi-scalar
Relative Location
Authority
Conformal Map Projections
20. Understand spatial relations between landmarks>shortcuts.
Measurement & Levels of Measurement
Join
Data models
Survey knowledge
21. Real Things (trees - forests - cities etc).
Grasslands
Topology
Spatial Resolution
Entities
22. Classes based on natural groupings through examination of histogram (good: minimizes differences bad: data range uneven)
Geoparsing
Selection & Elimination
Natural Breaks
Vertical frame
23. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Attribute Tabl
Structure
Spatial Resolution
Quantile
24. Title - legend or key - grid system - distance scale - direction and compass rose
Parts of Map
Equal Area Projections
MODIS Bands
Survey knowledge
25. A reference system (geographic coordinates)
Verify Query
Absolute Location
Raw data
Navigational Maps
26. Global Positioning System.
Toponymy
GPS
Spatial Resolution
Arc-node topology
27. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Geotagging
Map
LandSAT TM Bands
Land Ordinance
28. GIS is ________ - spatial analysis & dependent on the computer.
Polar Stereographic Projections
Raw data
Raster
VRQ
29. Assigning location information to text & discourse.
Geoparsing
NODES
Primary Color
WGS84
30. Points - Polygons - Lines
Polar Stereographic Projections
GPS
Different databases
Vector Data Forms
31. Relative to another known feature
Vector data models
Relative Location
7.5' Map
Dot Density Map
32. Google Maps or Microsoft Bing.
Mash up
Continuous Variables
Map Projection
Arcs
33. Sailors and pilots use these maps to navigate
Conformal Map Projections
Data models
Dot Density Map
Navigational Maps
34. A map containing information on only one topic or theme.
Spatial Resolution
Land Ordinance
Global network of data
Thematic Maps
35. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Location information
Quantile
Dot Density Map
Spectral Resolution
36. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Spatial analysis
Dot Density Map
Horizontal frame EDA
Map
37. GIS is not a ______
Attribute Tabl
Quality GIGO
Map
Maps
38. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Equal Area Projections
Polar Stereographic Projections
7.5' Map
Primary key
39. Triangulated Irregular Network.
Vertical frame
Data Classification
TIN
Navigational Maps
40. 80 % of all information contain _________
Legend
LandSAT TM Bands
Location information
Primary Color
41. The reverse of each other.
Direction
Selection & Elimination
World
TIN
42. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Verify Query
NODES
Thematic Maps
Conformal Map Projections
43. A 3-D frame of reference (model of the earth) used to determine surface locations.
Quality GIGO
Norths
Datum
Relative Location
44. Data Modelling - Turning entities into complex objects (geometry - quality).
Raster
Raster Data Model
GIS (Geographic Information Systems)
DEM
45. Deliver location / topographic information.
Geoparsing
Equal Interval
Attribute Tabl
Reference maps
46. Provide information about a particular topic or theme.
Thematic maps
Toponymy
Authority
Primary key
47. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Dot Density Map
Abstraction CLD
Hull
Navigational Maps
48. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Quality GIGO
Raster
Hull
Swath Width
49. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Neogeography
Grasslands
Toponymy
Map
50. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Survey knowledge
Mash up
Spatial analysis
Hull
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