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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. When parallels & meridians intersect at right angles.
Conformal Map Projections
Relative Location
Arc-node topology
Land Ordinance
2. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Legend
Data Modelling
Equal Interval
API
3. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
Topology
Norths
Neogeography
Global network of data
4. 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.
Quality GIGO
Area definition
Vector data models
GPS
5. Understand spatial relations between landmarks>shortcuts.
Raster Data Model
Data models
Subsystems
Survey knowledge
6. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Direction
Vertical frame
TIN
Horizontal frame EDA
7. People creating their own maps - on their own terms by combining elements of an existing toolset.
Survey knowledge
Neogeography
North Arrow
Geoparsing
8. Symbol on a map used to show direction
Equal Area Projections
North Arrow
Abstraction
Landmark knowledge
9. GIS is ________ - spatial analysis & dependent on the computer.
Multi-scalar
Geoparsing
Raw data
Datum
10. When distances from the center of the projection to any other place on the map are uniform in all directions.
Cartogram
Equidistant Map Projections
Polar Stereographic Projections
Unique identifier
11. A 3-D frame of reference (model of the earth) used to determine surface locations.
Datum
Bands
Spatial Resolution
Vector Data Forms
12. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Survey knowledge
Lattice Model
Polar Stereographic Projections
Hull
13. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Objects
Survey knowledge
Data Classification
Relational DBMS
14. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Remote Sensing
Geocoding
Conformal Maps
GIS (Geographic Information Systems)
15. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Thematic maps
Authority
VRQ
Geocoding
16. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Data Classification
Direction
Global network of data
Cartogram
17. Identify unique points - patterns or features in space.
Geotagging
Landmark knowledge
Intersect
Map Projection
18. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
North Arrow
GCS
Spatial analysis
Area definition
19. Relative to another known feature
RF
Relative Location
Bands
Attribute Tabl
20. 80 % of all information contain _________
Spectral Resolution
Location information
Conformal Maps
Neogeography
21. The range of wavelengths sampled by a remote sensor.
GIS (Geographic Information Systems)
Map
Spectral Resolution
Entities
22. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
LandSAT TM Bands
Arc-node topology
Parts of Map
Entities
23. Data Modelling - Turning entities into complex objects (geometry - quality).
RF
Reference Maps
GIS (Geographic Information Systems)
TIN Topology Tables
24. Application Programming Interfaces (increases access like my maps on google).
Equal Area Projections
Direction
API
Location information
25. Real Things (trees - forests - cities etc).
Entities
Conformal Map Projections
Raster
TIN
26. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Attribute Tabl
Grasslands
Data models
Geocoding
27. Points - Polygons - Lines
Selection & Elimination
NODES
Abstraction
Vector Data Forms
28. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Polar Stereographic Projections
Equal Interval
Abstraction
Structure
29. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Remote Sensing
Arcs
Location information
RF
30. Provide information about a particular topic or theme.
Thematic maps
Compass & human analysis
VRQ
Subsystems
31. Most popular form of USGS Map
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183
32. Global Positioning System.
Join
GPS
Location information
World
33. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Relational DBMS
Vector Data Forms
Bands
Raster
34. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
GPS
Vector data models
Topology
NODES
35. An assignment of geographic coordinates to locations.
VRQ
Simplification
Geocoding
Measurement & Levels of Measurement
36. Shift in delivery (eg - require user interaction).
Dynamic maps
Raster
Navigational Maps
GPS
37. 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.
Spectral Resolution
Arc-node topology
Conformal Maps
GPS
38. 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
Geoparsing
Intersect
Reference Maps
39. The smallest pixel size visible in an image - the limit of magnification
MODIS Bands
Spatial Resolution
Polar Stereographic Projections
Area definition
40. Area of the Earth that is displayed in each image
Contour Lines
Natural Breaks
Subsystems
Swath Width
41. Google Maps or Microsoft Bing.
Vertical frame
Selection & Elimination
VRQ
Mash up
42. Digital Elevation Model
DEM
Conformal Map Projections
Equal Area Projections
Landmark knowledge
43. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Azimuthal Maps
Toponymy
Abstraction CLD
Neogeography
44. Sailors and pilots use these maps to navigate
Navigational Maps
Area definition
Landmark knowledge
Swath Width
45. Preserve Shape
Nominal Location
Conformal Maps
GCS
Primary key
46. The nature of relationships & connectivity between them.
Dynamic maps
Temporal Resolution
Topology
Legend
47. Can assume all values between any two specific values. They are obtained by measuring.
Continuous Variables
Map
Abstraction CLD
GCS
48. Smoothing & Shape abstraction.
Continuous Variables
Simplification
Thematic Maps
Area definition
49. Essentials of DBMS: Each record has a ________
Quantile
Unique identifier
Compass & human analysis
Arcs
50. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Subsystems
Map
Abstraction CLD
Continuous Variables
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