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Test your basic knowledge |
GIS: Geographic Information Systems
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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. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
WGS84
Abstraction
Direction
Spatial analysis
2. Maps are restricted to a __________.
Grasslands
Conformal Map Projections
TIN Topology Tables
Compass & human analysis
3. Connect & travel between landmarks by moving thru space.
Data Modelling
Cartogram
Raster Data Model
Route knowledge
4. The smallest pixel size visible in an image - the limit of magnification
Spatial Resolution
Dot Density Map
Contour Lines
Primary key
5. When parallels & meridians intersect at right angles.
Dynamic maps
World
Conformal Map Projections
Location information
6. Real Things (trees - forests - cities etc).
Entities
North Arrow
Attribute Tabl
Topology
7. GIS is ________ - spatial analysis & dependent on the computer.
VRQ
Map
Raw data
GCS
8. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Cartogram
Natural Breaks
Mash up
Swath Width
9. Shift in delivery (eg - require user interaction).
Data models
Parts of Map
Dynamic maps
Entities
10. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Mash up
Norths
Map Projection
Quality GIGO
11. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
Equal Area Projections
Geoparsing
Quality GIGO
MODIS Bands
12. Assigning location information to text & discourse.
7.5' Map
Lattice Model
Geoparsing
Area definition
13. Relative to another known feature
Measurement & Levels of Measurement
Different databases
Raw data
Relative Location
14. 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.
Thematic maps
Measurement & Levels of Measurement
Cartogram
Land Ordinance
15. Accuracy - reliability - responsibility.
Contour Lines
Join
Quality GIGO
Bands
16. People creating their own maps - on their own terms by combining elements of an existing toolset.
Raw data
Equal Area Projections
Neogeography
Hull
17. Digital Elevation Model
DEM
RF
Raster Data Model
Conformal Maps
18. Triangulated Irregular Network.
TIN
GCS
TIN Topology Tables
Map
19. 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
Land Ordinance
Temporal Resolution
Topology
Lattice Model
20. Deliver location / topographic information.
Different databases
Reference maps
Quality GIGO
Legend
21. Lines that connect points of equal value.
VRQ
Different databases
Contour Lines
Geotagging
22. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Spectral Resolution
Parts of Map
Raster
Raster Data Model
23. A Complete frame
Equal Interval
WGS84
Reference maps
Relational DBMS
24. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Abstraction CLD
Data Classification
Vertical frame
Raster
25. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
Hull
Direction
TIN
Unique identifier
26. The nature of relationships & connectivity between them.
Topology
Compass & human analysis
GCS
Datum
27. Essentials of DBMS: Each record has a ________
Landmark knowledge
Unique identifier
Different databases
Absolute Location
28. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
7.5' Map
Data Classification
RF
Raster Data Model
29. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Discrete Variables
7.5' Map
Norths
Global network of data
30. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Abstraction
Measurement & Levels of Measurement
Route knowledge
Contour Lines
31. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Toponymy
Quantile
Horizontal frame EDA
Remote Sensing
32. Are made with GIS
Join
Maps
Toponymy
Grasslands
33. Symbol on a map used to show direction
Discrete Variables
Landmark knowledge
North Arrow
Cartogram
34. Representative fraction
Data Classification
Toponymy
RF
Entities
35. Google Maps or Microsoft Bing.
Spatial analysis
Conformal Maps
Land Ordinance
Mash up
36. 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.
Spatial Resolution
Area definition
Route knowledge
Thematic Maps
37. DBMS used for: _______ - access - organize & edit.
Abstraction CLD
Abstraction
Intersect
Structure
38. 2 ______: 1. Files/records. 2. Database/collection of files.
Data Classification
Route knowledge
North Arrow
Different databases
39. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Equidistant Map Projections
Equal Area Projections
Area definition
LandSAT TM Bands
40. Preserve Direction
Geocoding
VRQ
Structure
Azimuthal Maps
41. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Contour Lines
Raster
Reference Maps
Raw data
42. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Hull
Relational DBMS
TIN
Equal Area Projections
43. Arcs only ___ at Nodes
Spatial analysis
Join
Raw data
Location information
44. Precision of a measurement with respect to time
Abstraction CLD
Temporal Resolution
Map Projection
Norths
45. Can not be made from other colors
Entities
Primary Color
Verify Query
Measurement & Levels of Measurement
46. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Data Modelling
Land Ordinance
Neogeography
Horizontal frame EDA
47. To avoid corrupt data!
Nominal Location
Raw data
Attribute Tabl
Verify Query
48. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Vector data models
Objects
GPS
Discrete Variables
49. Understand spatial relations between landmarks>shortcuts.
Unique identifier
Data models
Survey knowledge
Absolute Location
50. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
TIN Topology Tables
Navigational Maps
Map Projection
GPS
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