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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. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Location information
Quantile
Attribute Tabl
Multi-scalar
2. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
Navigational Maps
Authority
Discrete Variables
VRQ
3. Preserve Direction
Data Modelling
Vertical frame
Selection & Elimination
Azimuthal Maps
4. The smallest pixel size visible in an image - the limit of magnification
Abstraction
Objects
Location information
Spatial Resolution
5. Can not be made from other colors
Cartogram
Relative Location
Primary Color
Data Modelling
6. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Authority
Measurement & Levels of Measurement
Equidistant Map Projections
Geocoding
7. A process of mathematical conversion.
Map Projection
Equal Area Projections
Spectral Resolution
WGS84
8. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Relational DBMS
TIN Topology Tables
API
Landmark knowledge
9. The nature of relationships & connectivity between them.
Lattice Model
Topology
Geocoding
Different databases
10. Contour lines never _______
Intersect
Conformal Map Projections
Primary key
Norths
11. Essentials of DBMS: Each record has a ________
Unique identifier
NODES
Swath Width
Temporal Resolution
12. Regulary spaced sample of points representing a surface.
Lattice Model
Geotagging
Dynamic maps
Arc-node topology
13. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Different databases
Reference maps
Topology
Spatial analysis
14. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
LandSAT TM Bands
Equal Interval
Dot Density Map
MODIS Bands
15. An assignment of geographic coordinates to locations.
Navigational Maps
Datum
Structure
Geocoding
16. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
Direction
Global network of data
North Arrow
Cartogram
17. Area of the Earth that is displayed in each image
Geotagging
Vector Data Forms
TIN Topology Tables
Swath Width
18. When distances from the center of the projection to any other place on the map are uniform in all directions.
Equidistant Map Projections
Land Ordinance
Raster
Toponymy
19. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Verify Query
Spatial Resolution
Equal Interval
North Arrow
20. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Compass & human analysis
Datum
Polar Stereographic Projections
Dot Density Map
21. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Relational DBMS
Raster
WGS84
Subsystems
22. Real Things (trees - forests - cities etc).
Entities
Conformal Map Projections
Swath Width
Abstraction
23. A Complete frame
Data models
Thematic maps
WGS84
Dynamic maps
24. GIS is not a ______
Relational DBMS
Map
Discrete Variables
Equidistant Map Projections
25. LN 1. L - Level Surfaces. 2. N - NAVD88.
Azimuthal Maps
Thematic Maps
Raw data
Vertical frame
26. Lines that connect points of equal value.
North Arrow
Contour Lines
Raster Data Model
Natural Breaks
27. Triangulated Irregular Network.
Simplification
Thematic maps
Unique identifier
TIN
28. GIS is ________
Hull
Abstraction
Spectral Resolution
Multi-scalar
29. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Location information
Abstraction
LandSAT TM Bands
Neogeography
30. Digital Elevation Model
Location information
Continuous Variables
DEM
Swath Width
31. 80 % of all information contain _________
Area definition
Location information
Geotagging
Unique identifier
32. Can assume all values between any two specific values. They are obtained by measuring.
Discrete Variables
Continuous Variables
Data Classification
Arc-node topology
33. The ability to link files together.
Parts of Map
Equal Interval
Relational DBMS
Temporal Resolution
34. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
GCS
Spectral Resolution
Conformal Maps
Horizontal frame EDA
35. Most popular form of USGS Map
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183
36. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Norths
Abstraction CLD
Raw data
NODES
37. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Vector data models
Map
Datum
Data Classification
38. Representative fraction
Lattice Model
Simplification
RF
Quality GIGO
39. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Equidistant Map Projections
Abstraction CLD
RF
Raw data
40. A map containing information on only one topic or theme.
Thematic Maps
Data models
Swath Width
Landmark knowledge
41. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Discrete Variables
Map
NODES
Attribute Tabl
42. Application Programming Interfaces (increases access like my maps on google).
API
DEM
Data Classification
Mash up
43. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
API
Discrete Variables
Navigational Maps
Survey knowledge
44. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Attribute Tabl
Continuous Variables
Reference Maps
Dot Density Map
45. When parallels & meridians intersect at right angles.
Relative Location
Geocoding
Equal Interval
Conformal Map Projections
46. A 3-D frame of reference (model of the earth) used to determine surface locations.
Topology
World
Datum
Land Ordinance
47. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Navigational Maps
Raster
WGS84
Conformal Maps
48. Maps are restricted to a __________.
Continuous Variables
Data Modelling
Raw data
Compass & human analysis
49. Shift in delivery (eg - require user interaction).
Quality GIGO
Compass & human analysis
Dynamic maps
Relational DBMS
50. DBMS used for: _______ - access - organize & edit.
Grasslands
Absolute Location
Cartogram
Structure