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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. Thematic map that uses dots to represent the frequency of a variable in a given area.
North Arrow
Dot Density Map
VRQ
Toponymy
2. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Geocoding
Grasslands
Vector Data Forms
Objects
3. Smoothing & Shape abstraction.
Dynamic maps
Simplification
Hull
NODES
4. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Area definition
Selection & Elimination
Spatial analysis
World
5. Triangulated Irregular Network.
Data Modelling
Geocoding
TIN
Objects
6. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Quantile
Direction
Dot Density Map
Attribute Tabl
7. A 3-D frame of reference (model of the earth) used to determine surface locations.
WGS84
Verify Query
Intersect
Datum
8. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Spatial analysis
LandSAT TM Bands
DEM
Azimuthal Maps
9. To avoid corrupt data!
Verify Query
Vector data models
Spatial Resolution
Natural Breaks
10. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Grasslands
Survey knowledge
NODES
Vector data models
11. The nature of relationships & connectivity between them.
Unique identifier
Data Classification
Conformal Maps
Topology
12. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Polar Stereographic Projections
Spatial analysis
Reference Maps
Maps
13. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Spatial Resolution
Objects
Norths
Abstraction CLD
14. Provide information about a particular topic or theme.
GIS (Geographic Information Systems)
Hull
Geocoding
Thematic maps
15. Representative fraction
Swath Width
RF
Geoparsing
Temporal Resolution
16. When parallels & meridians intersect at right angles.
Conformal Map Projections
Structure
Conformal Maps
Thematic Maps
17. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Cartogram
Arcs
VRQ
Equidistant Map Projections
18. A process of mathematical conversion.
Spatial Resolution
Map Projection
Navigational Maps
TIN Topology Tables
19. Description by name: ex London
Remote Sensing
Nominal Location
Hull
Spatial analysis
20. The reverse of each other.
Primary key
Nominal Location
Selection & Elimination
LandSAT TM Bands
21. Essentials of DBMS: Each record has a ________
Subsystems
Reference maps
Unique identifier
Quality GIGO
22. Connect & travel between landmarks by moving thru space.
WGS84
GCS
Route knowledge
Quality GIGO
23. A reference system (geographic coordinates)
Raster Data Model
Toponymy
Absolute Location
Equal Interval
24. GIS is ________ - spatial analysis & dependent on the computer.
Bands
Raw data
Toponymy
Vector data models
25. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Norths
GIS (Geographic Information Systems)
Reference maps
Navigational Maps
26. Arcs only ___ at Nodes
Join
Navigational Maps
MODIS Bands
Geoparsing
27. Contour lines never _______
Intersect
Different databases
Maps
Toponymy
28. Symbol on a map used to show direction
Swath Width
North Arrow
Global network of data
Conformal Maps
29. Preserve Shape
Conformal Maps
Grasslands
Quantile
Primary key
30. Consists of F & E: 1. Features. 2. Entities.
World
Geoparsing
Azimuthal Maps
Raster Data Model
31. Global Positioning System.
Contour Lines
GPS
Horizontal frame EDA
Hull
32. Geographic Coordinate System.
Toponymy
Quantile
GCS
GPS
33. The range of wavelengths sampled by a remote sensor.
VRQ
Spectral Resolution
Spatial analysis
Vector Data Forms
34. Most popular form of USGS Map
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on line
183
35. 80 % of all information contain _________
Entities
Location information
Remote Sensing
Primary Color
36. Lines that connect points of equal value.
GIS (Geographic Information Systems)
Contour Lines
Parts of Map
Conformal Map Projections
37. Application Programming Interfaces (increases access like my maps on google).
Mash up
Hull
Map
API
38. 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.
Quality GIGO
Arc-node topology
Datum
Azimuthal Maps
39. Maps are restricted to a __________.
RF
TIN
Compass & human analysis
TIN Topology Tables
40. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Conformal Map Projections
Landmark knowledge
Discrete Variables
Azimuthal Maps
41. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Primary key
Legend
Authority
Arcs
42. DBMS used for: _______ - access - organize & edit.
Map Projection
Simplification
Arcs
Structure
43. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Mash up
Remote Sensing
TIN Topology Tables
Abstraction CLD
44. Blue - Green - Red - NIR....
Area definition
Map
API
Bands
45. Accuracy - reliability - responsibility.
Different databases
Hull
Quality GIGO
Vector data models
46. Regulary spaced sample of points representing a surface.
Abstraction CLD
Maps
Lattice Model
Continuous Variables
47. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Equal Interval
Temporal Resolution
Primary Color
Continuous Variables
48. Sailors and pilots use these maps to navigate
Navigational Maps
Lattice Model
Data models
Equidistant Map Projections
49. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Compass & human analysis
Horizontal frame EDA
Equidistant Map Projections
Raster
50. Relative to another known feature
Absolute Location
Relative Location
Spatial analysis
Conformal Maps