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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. Global Positioning System.
GPS
Toponymy
Primary Color
Thematic maps
2. DBMS used for: _______ - access - organize & edit.
Spatial analysis
Abstraction
Structure
Reference Maps
3. People creating their own maps - on their own terms by combining elements of an existing toolset.
Datum
Neogeography
Relative Location
Parts of Map
4. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Abstraction CLD
Vertical frame
Nominal Location
Datum
5. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
Objects
Intersect
Raw data
Bands
6. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Data Modelling
Route knowledge
TIN
Multi-scalar
7. Are made with GIS
Maps
Navigational Maps
Grasslands
Temporal Resolution
8. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Spatial Resolution
Arcs
Grasslands
Vector Data Forms
9. Precision of a measurement with respect to time
Bands
GIS (Geographic Information Systems)
Route knowledge
Temporal Resolution
10. 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
Route knowledge
Subsystems
Reference maps
11. 80 % of all information contain _________
Temporal Resolution
Azimuthal Maps
Unique identifier
Location information
12. Accuracy - reliability - responsibility.
Cartogram
Relative Location
Quality GIGO
Landmark knowledge
13. Classes based on natural groupings through examination of histogram (good: minimizes differences bad: data range uneven)
Azimuthal Maps
Equal Area Projections
Natural Breaks
Hull
14. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
Spatial analysis
GIS (Geographic Information Systems)
MODIS Bands
Reference maps
15. The smallest pixel size visible in an image - the limit of magnification
Spatial Resolution
Selection & Elimination
Attribute Tabl
Area definition
16. Maps are restricted to a __________.
Conformal Map Projections
Compass & human analysis
Hull
Measurement & Levels of Measurement
17. Understand spatial relations between landmarks>shortcuts.
Survey knowledge
Vertical frame
Map Projection
Horizontal frame EDA
18. LN 1. L - Level Surfaces. 2. N - NAVD88.
Selection & Elimination
Contour Lines
Vertical frame
GIS (Geographic Information Systems)
19. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Nominal Location
Parts of Map
Selection & Elimination
Equal Interval
20. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Legend
Compass & human analysis
Remote Sensing
Polar Stereographic Projections
21. A reference system (geographic coordinates)
LandSAT TM Bands
Hull
Datum
Absolute Location
22. Application Programming Interfaces (increases access like my maps on google).
Temporal Resolution
API
Navigational Maps
NODES
23. GIS is ________ - spatial analysis & dependent on the computer.
Raw data
Selection & Elimination
Absolute Location
North Arrow
24. Digital Elevation Model
World
Quality GIGO
DEM
Authority
25. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Direction
Discrete Variables
Simplification
Different databases
26. Smoothing & Shape abstraction.
Simplification
Map
Data Classification
Compass & human analysis
27. 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.
Map
Arc-node topology
Horizontal frame EDA
DEM
28. Lines that connect points of equal value.
GIS (Geographic Information Systems)
Datum
Different databases
Contour Lines
29. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Arc-node topology
North Arrow
Data Classification
Relative Location
30. Shift in delivery (eg - require user interaction).
Dynamic maps
Navigational Maps
Neogeography
Thematic Maps
31. Can not be made from other colors
RF
LandSAT TM Bands
Primary Color
Datum
32. A Complete frame
Raw data
WGS84
Cartogram
Data models
33. Symbol on a map used to show direction
North Arrow
Bands
Map Projection
Nominal Location
34. The nature of relationships & connectivity between them.
Thematic maps
Topology
Different databases
GIS (Geographic Information Systems)
35. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Quality GIGO
Compass & human analysis
Vertical frame
Vector data models
36. Preserve Shape
Spatial Resolution
Subsystems
Conformal Maps
Map
37. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Direction
DEM
WGS84
TIN Topology Tables
38. The range of wavelengths sampled by a remote sensor.
Route knowledge
Mash up
Spectral Resolution
Equidistant Map Projections
39. GIS is not a ______
Datum
Map
Swath Width
Different databases
40. Real Things (trees - forests - cities etc).
Entities
Lattice Model
Geotagging
Raw data
41. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
MODIS Bands
Absolute Location
NODES
Quantile
42. Connect & travel between landmarks by moving thru space.
Vector data models
Abstraction
Route knowledge
GCS
43. A 3-D frame of reference (model of the earth) used to determine surface locations.
DEM
Datum
Raw data
Quantile
44. A process of mathematical conversion.
Vertical frame
Data Classification
Map Projection
Azimuthal Maps
45. Points - Polygons - Lines
Vector Data Forms
Attribute Tabl
Multi-scalar
Abstraction
46. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Equal Area Projections
Hull
7.5' Map
Equal Interval
47. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
MODIS Bands
Attribute Tabl
Reference Maps
TIN Topology Tables
48. Geographic Coordinate System.
VRQ
Map
Equal Area Projections
GCS
49. When distances from the center of the projection to any other place on the map are uniform in all directions.
Attribute Tabl
Intersect
Equidistant Map Projections
Lattice Model
50. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Thematic Maps
Data Modelling
Land Ordinance
Abstraction
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