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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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study here
.
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. Can not be made from other colors
Lattice Model
Direction
Primary Color
North Arrow
2. LN 1. L - Level Surfaces. 2. N - NAVD88.
Thematic Maps
GCS
Raw data
Vertical frame
3. Shift in delivery (eg - require user interaction).
NODES
Abstraction
Vector data models
Dynamic maps
4. An assignment of geographic coordinates to locations.
Equal Area Projections
Abstraction
Raster Data Model
Geocoding
5. Points - Polygons - Lines
Natural Breaks
Land Ordinance
Equidistant Map Projections
Vector Data Forms
6. A map containing information on only one topic or theme.
Location information
Thematic Maps
Subsystems
Abstraction CLD
7. Preserve Direction
Equidistant Map Projections
Landmark knowledge
North Arrow
Azimuthal Maps
8. Most popular form of USGS Map
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9. Can assume all values between any two specific values. They are obtained by measuring.
TIN Topology Tables
Compass & human analysis
Continuous Variables
Verify Query
10. Maps are restricted to a __________.
Maps
Toponymy
Equal Area Projections
Compass & human analysis
11. A line segment between 2 nodes -1 of which is a start node & the other an end node.
API
Map Projection
Arcs
Polar Stereographic Projections
12. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Data models
Cartogram
Attribute Tabl
Conformal Maps
13. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Spatial analysis
Navigational Maps
Arcs
Attribute Tabl
14. Blue - Green - Red - NIR....
Bands
Structure
Survey knowledge
Route knowledge
15. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
MODIS Bands
Data Modelling
Topology
Discrete Variables
16. Consists of F & E: 1. Features. 2. Entities.
Thematic Maps
World
Navigational Maps
Join
17. Understand spatial relations between landmarks>shortcuts.
North Arrow
Relative Location
Survey knowledge
Join
18. Area of the Earth that is displayed in each image
Swath Width
Data Classification
Data models
Area definition
19. Geographic Coordinate System.
GCS
Survey knowledge
Geotagging
Remote Sensing
20. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Land Ordinance
Vector data models
Dynamic maps
Multi-scalar
21. Classes based on natural groupings through examination of histogram (good: minimizes differences bad: data range uneven)
Dynamic maps
Natural Breaks
Abstraction CLD
Toponymy
22. Real Things (trees - forests - cities etc).
GPS
Area definition
Datum
Entities
23. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Equal Area Projections
Norths
Conformal Maps
Simplification
24. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Simplification
Equal Interval
Grasslands
Attribute Tabl
25. GIS is ________ - spatial analysis & dependent on the computer.
Polar Stereographic Projections
Raw data
Area definition
Raster Data Model
26. The study of place names - origins - history & meanings.
Toponymy
Temporal Resolution
Global network of data
Equidistant Map Projections
27. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
MODIS Bands
World
Reference Maps
Absolute Location
28. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Contour Lines
Quantile
Selection & Elimination
Dynamic maps
29. Description by name: ex London
Nominal Location
Abstraction
Equal Interval
Objects
30. 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.
Arcs
Relational DBMS
Arc-node topology
API
31. Relative to another known feature
TIN Topology Tables
Relative Location
Azimuthal Maps
Swath Width
32. A process of mathematical conversion.
Simplification
Conformal Map Projections
Different databases
Map Projection
33. Symbol on a map used to show direction
Natural Breaks
Map
Reference maps
North Arrow
34. Application Programming Interfaces (increases access like my maps on google).
Primary key
Hull
Abstraction CLD
API
35. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
GIS (Geographic Information Systems)
Objects
Vertical frame
Subsystems
36. 80 % of all information contain _________
Temporal Resolution
Vertical frame
Location information
Data models
37. Contour lines never _______
Cartogram
North Arrow
Primary Color
Intersect
38. Explanatory list of symbols on a map
Raw data
Dynamic maps
Legend
API
39. The 4 elements or ______: 1. Cell Value - each cell carries a value. 2. Cell size - this determines the resolution. 3. Raster bands - Can have single or multiple bands. 4. Spatial Reference - Raster data must have spatial reference.
GPS
Raster Data Model
WGS84
Data Classification
40. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
VRQ
LandSAT TM Bands
Data Modelling
World
41. To avoid corrupt data!
Land Ordinance
Verify Query
Primary Color
Reference maps
42. Data Modelling - Turning entities into complex objects (geometry - quality).
GIS (Geographic Information Systems)
Datum
Neogeography
Vector data models
43. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
Abstraction
Discrete Variables
VRQ
World
44. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Legend
Spatial Resolution
Subsystems
Quantile
45. GIS is ________
Multi-scalar
Norths
Relational DBMS
Data Modelling
46. Are made with GIS
Grasslands
Maps
Equal Area Projections
Thematic Maps
47. 2 ______: 1. Files/records. 2. Database/collection of files.
Different databases
Dot Density Map
Abstraction CLD
Unique identifier
48. The nature of relationships & connectivity between them.
Thematic maps
TIN
Topology
Contour Lines
49. Identify unique points - patterns or features in space.
Hull
Landmark knowledge
Conformal Map Projections
Land Ordinance
50. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
Area definition
Natural Breaks
Direction
Conformal Maps
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