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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. Relative to another known feature
Relative Location
Equal Area Projections
Navigational Maps
Map Projection
2. Area of the Earth that is displayed in each image
Raster Data Model
Mash up
Swath Width
Spatial analysis
3. Precision of a measurement with respect to time
Subsystems
Temporal Resolution
Discrete Variables
Landmark knowledge
4. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Abstraction CLD
Norths
Raster Data Model
MODIS Bands
5. Description by name: ex London
Polar Stereographic Projections
Legend
Quality GIGO
Nominal Location
6. A map containing information on only one topic or theme.
TIN Topology Tables
Neogeography
Thematic Maps
Geotagging
7. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Vector Data Forms
Spatial analysis
Intersect
Legend
8. 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.
Multi-scalar
Arc-node topology
Data models
Nominal Location
9. Symbol on a map used to show direction
North Arrow
Thematic Maps
Nominal Location
Data Classification
10. Provide information about a particular topic or theme.
Thematic maps
Compass & human analysis
Join
Raw data
11. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Multi-scalar
Intersect
Data Classification
Route knowledge
12. 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.
Landmark knowledge
Measurement & Levels of Measurement
Neogeography
Abstraction CLD
13. The smallest pixel size visible in an image - the limit of magnification
Spatial Resolution
Intersect
Data Classification
Simplification
14. The nature of relationships & connectivity between them.
Hull
Topology
Primary key
Route knowledge
15. Real Things (trees - forests - cities etc).
Simplification
Entities
Quality GIGO
Reference maps
16. When distances from the center of the projection to any other place on the map are uniform in all directions.
Grasslands
Equidistant Map Projections
Natural Breaks
Join
17. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Swath Width
Cartogram
Abstraction CLD
Spectral Resolution
18. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Grasslands
Equal Area Projections
Polar Stereographic Projections
Raw data
19. Google Maps or Microsoft Bing.
Mash up
Absolute Location
Vector Data Forms
Authority
20. Assigning location information to text & discourse.
TIN Topology Tables
Geoparsing
Primary key
LandSAT TM Bands
21. Deliver location / topographic information.
Reference maps
Abstraction CLD
GPS
Bands
22. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Entities
GPS
LandSAT TM Bands
VRQ
23. 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.
TIN Topology Tables
Area definition
Topology
Vertical frame
24. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
Conformal Maps
MODIS Bands
Location information
Thematic Maps
25. Data Modelling - Turning entities into complex objects (geometry - quality).
Geocoding
Global network of data
Reference Maps
GIS (Geographic Information Systems)
26. A reference system (geographic coordinates)
Absolute Location
Measurement & Levels of Measurement
MODIS Bands
VRQ
27. Essentials of DBMS: Each record has a ________
Attribute Tabl
Map
Unique identifier
Lattice Model
28. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Authority
Equal Area Projections
Topology
Hull
29. A data classification method that divides a set of attribute values into groups that contain an equal range of values
LandSAT TM Bands
DEM
Equal Interval
Authority
30. Files in the DB can be linked or joined using the _______
Entities
Bands
Objects
Primary key
31. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
LandSAT TM Bands
Abstraction
Different databases
Cartogram
32. To avoid corrupt data!
Absolute Location
Reference maps
Raster Data Model
Verify Query
33. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Unique identifier
Horizontal frame EDA
Spectral Resolution
Abstraction
34. The ability to link files together.
Reference Maps
Landmark knowledge
Relational DBMS
Arc-node topology
35. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
Objects
Reference maps
Geoparsing
TIN Topology Tables
36. Title - legend or key - grid system - distance scale - direction and compass rose
GCS
Maps
Direction
Parts of Map
37. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Discrete Variables
GPS
Survey knowledge
Compass & human analysis
38. Regulary spaced sample of points representing a surface.
Abstraction CLD
Quantile
Lattice Model
Geoparsing
39. Are made with GIS
Measurement & Levels of Measurement
Maps
Primary Color
Unique identifier
40. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
VRQ
Quantile
Natural Breaks
Equal Interval
41. 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.
Toponymy
Raster Data Model
Intersect
North Arrow
42. A 3-D frame of reference (model of the earth) used to determine surface locations.
Datum
Cartogram
Vector Data Forms
Abstraction
43. The study of place names - origins - history & meanings.
Arcs
Toponymy
Lattice Model
Datum
44. Thematic map that uses dots to represent the frequency of a variable in a given area.
Datum
Dot Density Map
Lattice Model
Simplification
45. Can not be made from other colors
Swath Width
Vertical frame
Area definition
Primary Color
46. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Reference Maps
Objects
Maps
Conformal Map Projections
47. Classes based on natural groupings through examination of histogram (good: minimizes differences bad: data range uneven)
Natural Breaks
Raw data
Bands
Land Ordinance
48. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
Data Classification
Direction
Azimuthal Maps
Survey knowledge
49. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Equidistant Map Projections
Raster Data Model
Remote Sensing
Hull
50. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Grasslands
WGS84
API
Map