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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 2 _____ in data modelling: 1. Database. 2. Data Storage.
Datum
Horizontal frame EDA
Cartogram
Subsystems
2. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Norths
Cartogram
Abstraction
Map Projection
3. The reverse of each other.
NODES
Different databases
Unique identifier
Selection & Elimination
4. 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
Vector Data Forms
Raster
Land Ordinance
Hull
5. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
NODES
VRQ
Data Modelling
TIN Topology Tables
6. Digital Elevation Model
Hull
Data Modelling
Intersect
DEM
7. When distances from the center of the projection to any other place on the map are uniform in all directions.
Equidistant Map Projections
Structure
Arcs
Mash up
8. Assigning location information to text & discourse.
Geoparsing
Equal Area Projections
Raw data
Direction
9. Contour lines never _______
Neogeography
Lattice Model
Bands
Intersect
10. Lines that connect points of equal value.
Attribute Tabl
Equal Area Projections
Parts of Map
Contour Lines
11. When parallels & meridians intersect at right angles.
Direction
Conformal Map Projections
Map
Thematic Maps
12. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Abstraction CLD
API
Equal Area Projections
Equidistant Map Projections
13. Preserve Direction
Continuous Variables
Azimuthal Maps
Verify Query
TIN
14. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Data Classification
Conformal Maps
Authority
WGS84
15. A Complete frame
Conformal Map Projections
Maps
Natural Breaks
WGS84
16. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
WGS84
Structure
Datum
Attribute Tabl
17. Accuracy - reliability - responsibility.
Compass & human analysis
MODIS Bands
WGS84
Quality GIGO
18. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
Global network of data
Neogeography
Arcs
Mash up
19. Shift in delivery (eg - require user interaction).
Attribute Tabl
Dynamic maps
TIN
Different databases
20. 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.
Norths
Raster Data Model
Vector Data Forms
Abstraction
21. Geographic Coordinate System.
GCS
Attribute Tabl
Location information
Conformal Map Projections
22. Smoothing & Shape abstraction.
TIN
Join
Simplification
Quantile
23. Preserve Shape
Polar Stereographic Projections
Nominal Location
Conformal Maps
Equal Interval
24. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Map
Authority
Mash up
Data Classification
25. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
TIN Topology Tables
Neogeography
Spectral Resolution
Vertical frame
26. 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.
Thematic Maps
Unique identifier
Arc-node topology
Continuous Variables
27. Provide information about a particular topic or theme.
World
Structure
Thematic maps
Direction
28. A reference system (geographic coordinates)
Absolute Location
Location information
Vector Data Forms
TIN
29. A map containing information on only one topic or theme.
Area definition
Join
GPS
Thematic Maps
30. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Hull
Polar Stereographic Projections
Land Ordinance
Route knowledge
31. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Conformal Maps
Abstraction
Norths
Landmark knowledge
32. The smallest pixel size visible in an image - the limit of magnification
Structure
Spatial Resolution
Quantile
Multi-scalar
33. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Global network of data
Topology
Arcs
Hull
34. Deliver location / topographic information.
Reference maps
Data models
World
GIS (Geographic Information Systems)
35. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Arc-node topology
Bands
Remote Sensing
Compass & human analysis
36. Data Modelling - Turning entities into complex objects (geometry - quality).
Conformal Maps
GIS (Geographic Information Systems)
North Arrow
VRQ
37. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
GCS
Horizontal frame EDA
Mash up
RF
38. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
Thematic maps
VRQ
Multi-scalar
Vector data models
39. GIS is ________
API
DEM
Multi-scalar
Raster Data Model
40. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
Spectral Resolution
Objects
DEM
Parts of Map
41. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Map
Dynamic maps
Horizontal frame EDA
Cartogram
42. Essentials of DBMS: Each record has a ________
Conformal Maps
Landmark knowledge
Unique identifier
TIN Topology Tables
43. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
RF
Thematic Maps
Survey knowledge
Data Modelling
44. People creating their own maps - on their own terms by combining elements of an existing toolset.
Absolute Location
Conformal Map Projections
Landmark knowledge
Neogeography
45. Assigning location information to various media (photos - video - music).
Geotagging
Quality GIGO
Dot Density Map
Location information
46. Title - legend or key - grid system - distance scale - direction and compass rose
Parts of Map
Data models
Topology
Nominal Location
47. 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.
Quantile
TIN Topology Tables
Area definition
Direction
48. A 3-D frame of reference (model of the earth) used to determine surface locations.
API
Primary key
Datum
Norths
49. Files in the DB can be linked or joined using the _______
WGS84
Multi-scalar
Primary key
Different databases
50. Application Programming Interfaces (increases access like my maps on google).
Vector data models
7.5' Map
Map
API