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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. GIS is ________ - spatial analysis & dependent on the computer.
Raw data
Natural Breaks
Maps
Join
2. Title - legend or key - grid system - distance scale - direction and compass rose
WGS84
Parts of Map
Data models
Arcs
3. Identify unique points - patterns or features in space.
Remote Sensing
Landmark knowledge
Discrete Variables
Intersect
4. Explanatory list of symbols on a map
Verify Query
Simplification
Legend
Intersect
5. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Attribute Tabl
TIN Topology Tables
Thematic maps
Topology
6. Essentials of DBMS: Each record has a ________
Norths
Unique identifier
Cartogram
World
7. Can assume all values between any two specific values. They are obtained by measuring.
WGS84
Equal Area Projections
Area definition
Continuous Variables
8. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Authority
Grasslands
Map
Quality GIGO
9. When parallels & meridians intersect at right angles.
Parts of Map
Natural Breaks
Conformal Map Projections
Legend
10. Consists of F & E: 1. Features. 2. Entities.
Map
World
Toponymy
Verify Query
11. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
MODIS Bands
NODES
Selection & Elimination
Unique identifier
12. 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.
Arc-node topology
Route knowledge
Global network of data
Azimuthal Maps
13. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Arcs
Verify Query
Direction
World
14. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
Primary key
Azimuthal Maps
Datum
Global network of data
15. 2 ______: 1. Files/records. 2. Database/collection of files.
Different databases
Conformal Map Projections
Intersect
World
16. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Data Classification
Arc-node topology
Grasslands
Subsystems
17. Accuracy - reliability - responsibility.
Quality GIGO
Thematic Maps
Lattice Model
Spectral Resolution
18. Digital Elevation Model
DEM
Remote Sensing
Quality GIGO
Simplification
19. 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.
Authority
Survey knowledge
Topology
Measurement & Levels of Measurement
20. Area of the Earth that is displayed in each image
Swath Width
TIN
TIN Topology Tables
Spatial analysis
21. Description by name: ex London
Geotagging
Geocoding
Nominal Location
Contour Lines
22. A reference system (geographic coordinates)
Thematic Maps
Verify Query
Landmark knowledge
Absolute Location
23. Symbol on a map used to show direction
Raster
Mash up
Topology
North Arrow
24. Real Things (trees - forests - cities etc).
Legend
Entities
Bands
Abstraction CLD
25. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Data models
Quantile
Spatial analysis
Data Modelling
26. Thematic map that uses dots to represent the frequency of a variable in a given area.
Raw data
Thematic Maps
Discrete Variables
Dot Density Map
27. Provide information about a particular topic or theme.
Azimuthal Maps
Thematic maps
Direction
Attribute Tabl
28. Global Positioning System.
Natural Breaks
GPS
Arcs
Raster
29. Can not be made from other colors
Data Classification
Primary Color
Reference maps
Geotagging
30. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
LandSAT TM Bands
Conformal Maps
Spatial analysis
Global network of data
31. LN 1. L - Level Surfaces. 2. N - NAVD88.
Vertical frame
Land Ordinance
Vector data models
Geocoding
32. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Discrete Variables
Raster Data Model
Map
MODIS Bands
33. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Cartogram
Equidistant Map Projections
Spectral Resolution
API
34. Lines that connect points of equal value.
Reference maps
Mash up
Temporal Resolution
Contour Lines
35. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
TIN
Reference Maps
Verify Query
Azimuthal Maps
36. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Bands
Horizontal frame EDA
World
Conformal Map Projections
37. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Map Projection
Abstraction
Geocoding
DEM
38. Contour lines never _______
Multi-scalar
Measurement & Levels of Measurement
Intersect
Datum
39. Google Maps or Microsoft Bing.
Mash up
API
Relational DBMS
Landmark knowledge
40. When distances from the center of the projection to any other place on the map are uniform in all directions.
Area definition
Parts of Map
Datum
Equidistant Map Projections
41. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
GPS
Spatial Resolution
Attribute Tabl
Nominal Location
42. 80 % of all information contain _________
TIN
Spatial analysis
Arc-node topology
Location information
43. A Complete frame
Quantile
WGS84
Authority
Subsystems
44. 2 common _______: 1. Vector. 2. Raster.
Data models
Reference maps
Unique identifier
Subsystems
45. 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
Relative Location
Map Projection
Structure
46. Blue - Green - Red - NIR....
Objects
Thematic maps
Intersect
Bands
47. Shift in delivery (eg - require user interaction).
Continuous Variables
Dynamic maps
Arc-node topology
Reference maps
48. Points - Polygons - Lines
TIN
Vector Data Forms
Navigational Maps
Entities
49. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Abstraction CLD
MODIS Bands
Vector Data Forms
GIS (Geographic Information Systems)
50. Relative to another known feature
Conformal Map Projections
Relative Location
RF
Conformal Maps
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