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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. Triangulated Irregular Network.
TIN
Vector Data Forms
Spectral Resolution
DEM
2. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Arc-node topology
Compass & human analysis
Remote Sensing
Reference Maps
3. Provide information about a particular topic or theme.
Thematic maps
Area definition
Selection & Elimination
Contour Lines
4. Preserve Direction
Azimuthal Maps
Survey knowledge
Abstraction
Datum
5. GIS is ________
WGS84
Route knowledge
Multi-scalar
Azimuthal Maps
6. Lines that connect points of equal value.
Vertical frame
Global network of data
GPS
Contour Lines
7. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Bands
Raw data
Arcs
Data Classification
8. Geographic Coordinate System.
NODES
Unique identifier
GCS
Location information
9. Representative fraction
Data Classification
RF
Direction
Area definition
10. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Temporal Resolution
Horizontal frame EDA
Different databases
Cartogram
11. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
GPS
VRQ
Dynamic maps
TIN
12. Explanatory list of symbols on a map
Equal Area Projections
Polar Stereographic Projections
Legend
Subsystems
13. Data Modelling - Turning entities into complex objects (geometry - quality).
GIS (Geographic Information Systems)
Objects
Equal Interval
Arcs
14. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Abstraction CLD
Quantile
Topology
7.5' Map
15. Understand spatial relations between landmarks>shortcuts.
Datum
Bands
Simplification
Survey knowledge
16. Sailors and pilots use these maps to navigate
Structure
Navigational Maps
Vertical frame
Objects
17. 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.
Remote Sensing
Objects
Vector Data Forms
Arc-node topology
18. Identify unique points - patterns or features in space.
Reference Maps
Direction
Objects
Landmark knowledge
19. Digital Elevation Model
Maps
Toponymy
Raw data
DEM
20. A 3-D frame of reference (model of the earth) used to determine surface locations.
Datum
Raw data
Neogeography
Landmark knowledge
21. 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.
WGS84
Measurement & Levels of Measurement
Equal Area Projections
Data models
22. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Verify Query
North Arrow
Grasslands
Continuous Variables
23. 2 ______: 1. Files/records. 2. Database/collection of files.
Continuous Variables
Different databases
Intersect
Data models
24. When parallels & meridians intersect at right angles.
Intersect
Conformal Map Projections
Legend
Landmark knowledge
25. Accuracy - reliability - responsibility.
Dynamic maps
Vertical frame
7.5' Map
Quality GIGO
26. Maps are restricted to a __________.
Thematic maps
Compass & human analysis
Arcs
Spectral Resolution
27. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
LandSAT TM Bands
Quantile
Contour Lines
Data models
28. 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.
Geotagging
Swath Width
Measurement & Levels of Measurement
Area definition
29. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Raster Data Model
Hull
NODES
Reference maps
30. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
Equal Area Projections
Absolute Location
Selection & Elimination
Global network of data
31. A reference system (geographic coordinates)
Spatial Resolution
Entities
Area definition
Absolute Location
32. Points - Polygons - Lines
Dynamic maps
Relative Location
Vector Data Forms
Global network of data
33. A map containing information on only one topic or theme.
Thematic Maps
Authority
TIN
Reference Maps
34. Classes based on natural groupings through examination of histogram (good: minimizes differences bad: data range uneven)
Verify Query
Spatial Resolution
Natural Breaks
TIN Topology Tables
35. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
TIN Topology Tables
Norths
Data models
Spatial Resolution
36. Global Positioning System.
GPS
7.5' Map
Simplification
Compass & human analysis
37. Precision of a measurement with respect to time
Temporal Resolution
RF
Cartogram
Raster
38. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Global network of data
Vector Data Forms
Subsystems
Bands
39. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Discrete Variables
Reference Maps
Simplification
Conformal Map Projections
40. The study of place names - origins - history & meanings.
Geocoding
Toponymy
Attribute Tabl
World
41. A Complete frame
WGS84
Direction
Temporal Resolution
Cartogram
42. Application Programming Interfaces (increases access like my maps on google).
Map
Equal Area Projections
API
GPS
43. An assignment of geographic coordinates to locations.
Swath Width
Compass & human analysis
Geocoding
MODIS Bands
44. Consists of F & E: 1. Features. 2. Entities.
World
Equal Interval
Unique identifier
Entities
45. The ability to link files together.
Relational DBMS
Norths
Conformal Map Projections
Nominal Location
46. Contour lines never _______
Thematic Maps
GIS (Geographic Information Systems)
Conformal Maps
Intersect
47. Essentials of DBMS: Each record has a ________
7.5' Map
Unique identifier
Spatial Resolution
Dynamic maps
48. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Absolute Location
Relative Location
GPS
Abstraction CLD
49. Deliver location / topographic information.
Reference maps
Conformal Maps
Primary key
Raster Data Model
50. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Objects
Spatial analysis
NODES
Abstraction CLD
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