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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 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
North Arrow
Authority
Direction
Vertical frame
2. Consists of F & E: 1. Features. 2. Entities.
Remote Sensing
World
GIS (Geographic Information Systems)
Simplification
3. A Complete frame
WGS84
Geoparsing
Objects
Abstraction
4. Are made with GIS
Maps
Absolute Location
GPS
Compass & human analysis
5. LN 1. L - Level Surfaces. 2. N - NAVD88.
Norths
Vertical frame
Raster Data Model
DEM
6. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Raster
Verify Query
Reference Maps
Objects
7. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Authority
Data models
Raw data
Absolute Location
8. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Cartogram
Entities
Thematic maps
Direction
9. Maps are restricted to a __________.
Equal Interval
Compass & human analysis
Cartogram
Selection & Elimination
10. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
Intersect
Spatial analysis
MODIS Bands
Absolute Location
11. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Lattice Model
Objects
Data Modelling
TIN Topology Tables
12. 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.
Vector data models
Area definition
Abstraction
Arcs
13. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
API
Authority
GIS (Geographic Information Systems)
Hull
14. Accuracy - reliability - responsibility.
Cartogram
TIN
Quality GIGO
Join
15. The reverse of each other.
Selection & Elimination
Norths
North Arrow
Contour Lines
16. Identify unique points - patterns or features in space.
Conformal Map Projections
Landmark knowledge
Data Modelling
Objects
17. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Abstraction
Spatial analysis
Compass & human analysis
Equal Interval
18. Blue - Green - Red - NIR....
Spectral Resolution
Simplification
Bands
Thematic Maps
19. Digital Elevation Model
Multi-scalar
DEM
Natural Breaks
Datum
20. Explanatory list of symbols on a map
Swath Width
Maps
Legend
Vector data models
21. GIS is not a ______
Intersect
Arc-node topology
Map
Parts of Map
22. 2 ______: 1. Files/records. 2. Database/collection of files.
Absolute Location
Geocoding
Abstraction CLD
Different databases
23. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
TIN Topology Tables
Parts of Map
Join
Raster Data Model
24. GIS is ________
Bands
Abstraction
Topology
Multi-scalar
25. Application Programming Interfaces (increases access like my maps on google).
API
Equal Area Projections
Remote Sensing
Location information
26. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Polar Stereographic Projections
API
Route knowledge
Raster
27. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Bands
API
Attribute Tabl
Polar Stereographic Projections
28. Smoothing & Shape abstraction.
TIN
Datum
Reference maps
Simplification
29. 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.
Unique identifier
Raster Data Model
Intersect
Spectral Resolution
30. Files in the DB can be linked or joined using the _______
Raster Data Model
Primary key
7.5' Map
Discrete Variables
31. Connect & travel between landmarks by moving thru space.
VRQ
LandSAT TM Bands
Data models
Route knowledge
32. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Arcs
Data models
MODIS Bands
Reference Maps
33. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
Mash up
Objects
Map
Survey knowledge
34. Precision of a measurement with respect to time
Temporal Resolution
Conformal Map Projections
Absolute Location
North Arrow
35. 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
Cartogram
Lattice Model
Spatial analysis
36. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Equal Interval
Different databases
Temporal Resolution
Remote Sensing
37. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Simplification
Norths
Navigational Maps
Datum
38. Data Modelling - Turning entities into complex objects (geometry - quality).
Route knowledge
Authority
Continuous Variables
GIS (Geographic Information Systems)
39. A process of mathematical conversion.
Map Projection
Vector data models
Legend
Reference Maps
40. 2 common _______: 1. Vector. 2. Raster.
Location information
Different databases
Data models
Map
41. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Neogeography
Abstraction CLD
Vertical frame
Equal Area Projections
42. The range of wavelengths sampled by a remote sensor.
Spectral Resolution
Intersect
Raster Data Model
Equidistant Map Projections
43. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Direction
Grasslands
Reference maps
Subsystems
44. 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
Land Ordinance
Dynamic maps
Lattice Model
VRQ
45. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
GPS
Arc-node topology
Legend
Horizontal frame EDA
46. Most popular form of USGS Map
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47. Arcs only ___ at Nodes
Join
Selection & Elimination
MODIS Bands
Arcs
48. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Nominal Location
Selection & Elimination
Reference Maps
Legend
49. A 3-D frame of reference (model of the earth) used to determine surface locations.
Dot Density Map
LandSAT TM Bands
Lattice Model
Datum
50. Title - legend or key - grid system - distance scale - direction and compass rose
Vertical frame
VRQ
RF
Parts of Map