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Test your basic knowledge |
GIS: Geographic Information Systems
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
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. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Remote Sensing
Attribute Tabl
Simplification
Location information
2. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Area definition
Polar Stereographic Projections
Join
Reference Maps
3. The smallest pixel size visible in an image - the limit of magnification
Legend
Spatial Resolution
Dot Density Map
Conformal Maps
4. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Topology
Reference Maps
DEM
Relational DBMS
5. Provide information about a particular topic or theme.
DEM
Temporal Resolution
Thematic maps
Nominal Location
6. The nature of relationships & connectivity between them.
Quality GIGO
Spatial analysis
Absolute Location
Topology
7. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Spatial Resolution
Relational DBMS
Hull
Simplification
8. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Area definition
Equal Area Projections
Subsystems
Vector Data Forms
9. Regulary spaced sample of points representing a surface.
7.5' Map
Equal Interval
Lattice Model
Toponymy
10. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Topology
Data Classification
Hull
Spatial Resolution
11. 80 % of all information contain _________
Location information
Vertical frame
Raster
GPS
12. 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.
Raster Data Model
Raster
Survey knowledge
Objects
13. Relative to another known feature
LandSAT TM Bands
Vertical frame
Relative Location
Lattice Model
14. Data Modelling - Turning entities into complex objects (geometry - quality).
Topology
Direction
Arc-node topology
GIS (Geographic Information Systems)
15. The range of wavelengths sampled by a remote sensor.
Data Modelling
Maps
MODIS Bands
Spectral Resolution
16. GIS is ________
Multi-scalar
Compass & human analysis
Selection & Elimination
Temporal Resolution
17. Real Things (trees - forests - cities etc).
Vector data models
Entities
DEM
Survey knowledge
18. Are made with GIS
Remote Sensing
GPS
Entities
Maps
19. Understand spatial relations between landmarks>shortcuts.
Thematic Maps
Norths
Survey knowledge
Equal Area Projections
20. DBMS used for: _______ - access - organize & edit.
Contour Lines
7.5' Map
Structure
Spectral Resolution
21. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
NODES
Conformal Maps
Legend
GIS (Geographic Information Systems)
22. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
MODIS Bands
Contour Lines
Conformal Maps
TIN Topology Tables
23. Most popular form of USGS Map
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24. Arcs only ___ at Nodes
Join
7.5' Map
Hull
Land Ordinance
25. To avoid corrupt data!
Verify Query
Subsystems
North Arrow
Remote Sensing
26. Precision of a measurement with respect to time
Datum
Temporal Resolution
Cartogram
Raster Data Model
27. Shift in delivery (eg - require user interaction).
Dynamic maps
Arcs
Subsystems
Remote Sensing
28. Title - legend or key - grid system - distance scale - direction and compass rose
Grasslands
Parts of Map
LandSAT TM Bands
Natural Breaks
29. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Quantile
Map Projection
Absolute Location
Data models
30. Deliver location / topographic information.
Different databases
Geoparsing
API
Reference maps
31. Contour lines never _______
Geocoding
Map Projection
Intersect
Hull
32. 2 common _______: 1. Vector. 2. Raster.
Arcs
Geocoding
Data models
Thematic maps
33. Thematic map that uses dots to represent the frequency of a variable in a given area.
Dot Density Map
Map Projection
Raster
Thematic maps
34. Digital Elevation Model
Quantile
Abstraction CLD
DEM
Structure
35. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Map
Compass & human analysis
MODIS Bands
TIN Topology Tables
36. Smoothing & Shape abstraction.
Simplification
Toponymy
Cartogram
Objects
37. When parallels & meridians intersect at right angles.
Conformal Map Projections
Raw data
RF
Quantile
38. Sailors and pilots use these maps to navigate
TIN Topology Tables
Compass & human analysis
Norths
Navigational Maps
39. People creating their own maps - on their own terms by combining elements of an existing toolset.
Neogeography
DEM
Contour Lines
Land Ordinance
40. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Entities
North Arrow
Conformal Maps
Abstraction
41. Points - Polygons - Lines
RF
Vector Data Forms
Norths
Primary key
42. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
API
Raster
Objects
Area definition
43. A process of mathematical conversion.
Map Projection
Subsystems
Area definition
Geocoding
44. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Dynamic maps
Simplification
Abstraction CLD
Location information
45. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Geotagging
GIS (Geographic Information Systems)
Subsystems
Arc-node topology
46. Essentials of DBMS: Each record has a ________
Lattice Model
Unique identifier
Vector Data Forms
Conformal Maps
47. When distances from the center of the projection to any other place on the map are uniform in all directions.
Equidistant Map Projections
Discrete Variables
Quantile
Horizontal frame EDA
48. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
VRQ
LandSAT TM Bands
Natural Breaks
Quantile
49. 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.
API
Measurement & Levels of Measurement
Direction
Spectral Resolution
50. A 3-D frame of reference (model of the earth) used to determine surface locations.
Datum
Data models
Swath Width
Selection & Elimination