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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.
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Match each statement with the correct term.
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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. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Raster
Polar Stereographic Projections
Vector data models
Dot Density Map
2. DBMS used for: _______ - access - organize & edit.
Continuous Variables
Structure
Reference Maps
Attribute Tabl
3. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Discrete Variables
TIN
Multi-scalar
Spatial analysis
4. People creating their own maps - on their own terms by combining elements of an existing toolset.
Vector data models
Geocoding
Neogeography
Conformal Maps
5. Preserve Direction
Conformal Map Projections
Multi-scalar
Discrete Variables
Azimuthal Maps
6. A 3-D frame of reference (model of the earth) used to determine surface locations.
Datum
Cartogram
Remote Sensing
Equal Area Projections
7. Digital Elevation Model
Simplification
Spectral Resolution
Polar Stereographic Projections
DEM
8. Triangulated Irregular Network.
Reference Maps
TIN
Direction
Equal Area Projections
9. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
MODIS Bands
Reference Maps
Topology
Entities
10. When distances from the center of the projection to any other place on the map are uniform in all directions.
TIN
Equidistant Map Projections
Geocoding
Quality GIGO
11. Shift in delivery (eg - require user interaction).
Parts of Map
Neogeography
Dynamic maps
Bands
12. The reverse of each other.
Nominal Location
Arc-node topology
Selection & Elimination
Horizontal frame EDA
13. Explanatory list of symbols on a map
Grasslands
Legend
Toponymy
Data models
14. Global Positioning System.
GPS
Area definition
Attribute Tabl
WGS84
15. Understand spatial relations between landmarks>shortcuts.
Data Classification
Equidistant Map Projections
Survey knowledge
Data Modelling
16. Deliver location / topographic information.
Conformal Map Projections
Reference maps
Maps
Remote Sensing
17. 80 % of all information contain _________
Verify Query
Abstraction
Location information
World
18. Sailors and pilots use these maps to navigate
Navigational Maps
Join
Global network of data
Land Ordinance
19. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Geoparsing
Spatial Resolution
Polar Stereographic Projections
Area definition
20. The study of place names - origins - history & meanings.
Toponymy
GIS (Geographic Information Systems)
Conformal Map Projections
Legend
21. Lines that connect points of equal value.
Reference maps
Contour Lines
Lattice Model
GCS
22. When parallels & meridians intersect at right angles.
VRQ
Conformal Map Projections
Route knowledge
Vector Data Forms
23. Consists of F & E: 1. Features. 2. Entities.
Norths
Selection & Elimination
World
Bands
24. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Quantile
Grasslands
Thematic Maps
WGS84
25. Most popular form of USGS Map
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26. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
Location information
Global network of data
Raster Data Model
Data Modelling
27. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Horizontal frame EDA
Reference Maps
Primary Color
GIS (Geographic Information Systems)
28. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
Bands
Swath Width
Objects
Location information
29. Maps are restricted to a __________.
Verify Query
Dynamic maps
Nominal Location
Compass & human analysis
30. Real Things (trees - forests - cities etc).
VRQ
Entities
Dot Density Map
Vector Data Forms
31. To avoid corrupt data!
Natural Breaks
Verify Query
Global network of data
Nominal Location
32. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Direction
Global network of data
LandSAT TM Bands
Map
33. Blue - Green - Red - NIR....
Quality GIGO
Thematic maps
Bands
Join
34. Area of the Earth that is displayed in each image
RF
NODES
Swath Width
Arc-node topology
35. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Absolute Location
NODES
Authority
Grasslands
36. Precision of a measurement with respect to time
Topology
Structure
Temporal Resolution
Map Projection
37. Points - Polygons - Lines
Arcs
Conformal Map Projections
Vector Data Forms
Natural Breaks
38. Provide information about a particular topic or theme.
Authority
North Arrow
Attribute Tabl
Thematic maps
39. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Reference Maps
Raster
Raw data
Primary Color
40. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Abstraction
Topology
Authority
Raster Data Model
41. Preserve Shape
Land Ordinance
Equal Interval
Conformal Maps
Quality GIGO
42. The smallest pixel size visible in an image - the limit of magnification
Simplification
Map Projection
Primary key
Spatial Resolution
43. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Navigational Maps
Subsystems
Data Modelling
Norths
44. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Authority
Cartogram
LandSAT TM Bands
Verify Query
45. The range of wavelengths sampled by a remote sensor.
Spatial analysis
Spectral Resolution
7.5' Map
Datum
46. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Attribute Tabl
Survey knowledge
Data Modelling
Spatial Resolution
47. A reference system (geographic coordinates)
Swath Width
Vector Data Forms
Absolute Location
Objects
48. Are made with GIS
Maps
DEM
Land Ordinance
Temporal Resolution
49. Relative to another known feature
Land Ordinance
WGS84
Relative Location
API
50. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
TIN Topology Tables
Polar Stereographic Projections
Entities
Hull
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