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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.
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. Maps are restricted to a __________.
Map Projection
Subsystems
NODES
Compass & human analysis
2. Most popular form of USGS Map
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183
3. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Spatial Resolution
Norths
Intersect
Geotagging
4. 2 ______: 1. Files/records. 2. Database/collection of files.
Verify Query
Different databases
Route knowledge
Bands
5. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Dot Density Map
Raster
Land Ordinance
RF
6. The range of wavelengths sampled by a remote sensor.
Neogeography
Spectral Resolution
RF
Abstraction CLD
7. Assigning location information to various media (photos - video - music).
Equidistant Map Projections
WGS84
Geotagging
Parts of Map
8. The smallest pixel size visible in an image - the limit of magnification
Parts of Map
Relative Location
Spatial Resolution
TIN
9. Essentials of DBMS: Each record has a ________
Unique identifier
Polar Stereographic Projections
Equal Interval
GIS (Geographic Information Systems)
10. Identify unique points - patterns or features in space.
GPS
Landmark knowledge
Measurement & Levels of Measurement
Reference Maps
11. A 3-D frame of reference (model of the earth) used to determine surface locations.
DEM
Datum
Abstraction CLD
Unique identifier
12. 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
Remote Sensing
Norths
Landmark knowledge
13. Real Things (trees - forests - cities etc).
Intersect
Spectral Resolution
Maps
Entities
14. Consists of F & E: 1. Features. 2. Entities.
Verify Query
Equal Area Projections
World
Lattice Model
15. The reverse of each other.
Selection & Elimination
Multi-scalar
Continuous Variables
Thematic maps
16. DBMS used for: _______ - access - organize & edit.
Raw data
7.5' Map
Geotagging
Structure
17. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Spatial Resolution
Relational DBMS
GPS
Data Modelling
18. 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.
Measurement & Levels of Measurement
Navigational Maps
Absolute Location
Raster Data Model
19. Representative fraction
Discrete Variables
RF
DEM
Abstraction
20. People creating their own maps - on their own terms by combining elements of an existing toolset.
Attribute Tabl
Neogeography
Equal Interval
Different databases
21. To avoid corrupt data!
Verify Query
Quantile
Vector Data Forms
Arcs
22. Deliver location / topographic information.
Reference maps
Compass & human analysis
Data Classification
Toponymy
23. Understand spatial relations between landmarks>shortcuts.
Bands
Survey knowledge
Relative Location
Authority
24. Triangulated Irregular Network.
TIN
Geoparsing
Grasslands
Vertical frame
25. When parallels & meridians intersect at right angles.
Bands
MODIS Bands
Conformal Map Projections
Cartogram
26. 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.
Neogeography
Raster Data Model
Absolute Location
Arc-node topology
27. Can assume all values between any two specific values. They are obtained by measuring.
Arcs
Map Projection
Continuous Variables
Raster Data Model
28. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Norths
Authority
Conformal Map Projections
Vertical frame
29. Can not be made from other colors
Primary Color
Authority
Toponymy
Raster
30. Description by name: ex London
Hull
Nominal Location
RF
Legend
31. Points - Polygons - Lines
Dynamic maps
Vector Data Forms
Cartogram
Conformal Map Projections
32. Area of the Earth that is displayed in each image
Data models
Data Classification
Swath Width
North Arrow
33. The study of place names - origins - history & meanings.
Toponymy
Primary key
Simplification
Conformal Map Projections
34. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Discrete Variables
Intersect
Subsystems
Compass & human analysis
35. Sailors and pilots use these maps to navigate
Temporal Resolution
LandSAT TM Bands
Reference Maps
Navigational Maps
36. Connect & travel between landmarks by moving thru space.
Topology
Map
Verify Query
Route knowledge
37. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Data Classification
Maps
Route knowledge
Continuous Variables
38. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
TIN Topology Tables
NODES
LandSAT TM Bands
Geoparsing
39. A process of mathematical conversion.
Remote Sensing
Neogeography
Route knowledge
Map Projection
40. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
NODES
API
Navigational Maps
TIN Topology Tables
41. LN 1. L - Level Surfaces. 2. N - NAVD88.
GIS (Geographic Information Systems)
Thematic Maps
Vertical frame
Discrete Variables
42. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
NODES
Reference Maps
North Arrow
Bands
43. Explanatory list of symbols on a map
NODES
Legend
Contour Lines
MODIS Bands
44. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
GPS
Abstraction CLD
Hull
Verify Query
45. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Toponymy
Temporal Resolution
Parts of Map
Discrete Variables
46. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Location information
Topology
Measurement & Levels of Measurement
Vector data models
47. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Grasslands
Equal Area Projections
Direction
Absolute Location
48. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Conformal Map Projections
Attribute Tabl
Area definition
Quantile
49. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Vector Data Forms
Remote Sensing
LandSAT TM Bands
Entities
50. Global Positioning System.
Absolute Location
GPS
Land Ordinance
NODES
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