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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. Real Things (trees - forests - cities etc).
Swath Width
Entities
Verify Query
Raster
2. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
NODES
Equal Area Projections
Parts of Map
Geotagging
3. Regulary spaced sample of points representing a surface.
TIN Topology Tables
Join
Data Classification
Lattice Model
4. Files in the DB can be linked or joined using the _______
Entities
MODIS Bands
Topology
Primary key
5. When distances from the center of the projection to any other place on the map are uniform in all directions.
Conformal Maps
Quality GIGO
Equidistant Map Projections
Objects
6. DBMS used for: _______ - access - organize & edit.
Structure
GCS
Relational DBMS
Route knowledge
7. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
Data Modelling
Horizontal frame EDA
Landmark knowledge
Direction
8. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Thematic maps
Entities
Horizontal frame EDA
Map
9. Shift in delivery (eg - require user interaction).
NODES
Norths
Equidistant Map Projections
Dynamic maps
10. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Abstraction
Attribute Tabl
WGS84
Abstraction CLD
11. Maps are restricted to a __________.
Dynamic maps
Join
Compass & human analysis
Abstraction
12. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
Toponymy
Bands
VRQ
World
13. The study of place names - origins - history & meanings.
Relative Location
Multi-scalar
MODIS Bands
Toponymy
14. Data Modelling - Turning entities into complex objects (geometry - quality).
Contour Lines
Topology
GIS (Geographic Information Systems)
Geoparsing
15. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Measurement & Levels of Measurement
Cartogram
Geoparsing
Data models
16. Can assume all values between any two specific values. They are obtained by measuring.
Navigational Maps
Entities
Continuous Variables
Raster
17. When parallels & meridians intersect at right angles.
Conformal Map Projections
Parts of Map
Hull
TIN
18. Contour lines never _______
Intersect
Equal Area Projections
Quality GIGO
Measurement & Levels of Measurement
19. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Datum
Norths
TIN
Absolute Location
20. Connect & travel between landmarks by moving thru space.
Route knowledge
Thematic Maps
Topology
Land Ordinance
21. A 3-D frame of reference (model of the earth) used to determine surface locations.
Continuous Variables
Multi-scalar
Norths
Datum
22. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Dot Density Map
Abstraction CLD
Spatial Resolution
Map Projection
23. Lines that connect points of equal value.
Contour Lines
Abstraction
Structure
Remote Sensing
24. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Grasslands
Vertical frame
Absolute Location
Geoparsing
25. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
GIS (Geographic Information Systems)
Attribute Tabl
Subsystems
Abstraction
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.
GPS
Simplification
Data Classification
Arc-node topology
27. 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.
Maps
Azimuthal Maps
Measurement & Levels of Measurement
Geotagging
28. Explanatory list of symbols on a map
Norths
Legend
Arc-node topology
NODES
29. Points - Polygons - Lines
Primary Color
Toponymy
North Arrow
Vector Data Forms
30. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Topology
Data Classification
Join
Remote Sensing
31. Consists of F & E: 1. Features. 2. Entities.
Different databases
Selection & Elimination
Primary key
World
32. Thematic map that uses dots to represent the frequency of a variable in a given area.
Landmark knowledge
Dot Density Map
Selection & Elimination
Verify Query
33. A process of mathematical conversion.
Map Projection
NODES
Equal Interval
Absolute Location
34. A reference system (geographic coordinates)
Absolute Location
Primary key
Route knowledge
Equal Area Projections
35. LN 1. L - Level Surfaces. 2. N - NAVD88.
Equal Interval
Join
Vertical frame
Cartogram
36. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Spatial analysis
Thematic Maps
TIN
Lattice Model
37. Identify unique points - patterns or features in space.
Landmark knowledge
Polar Stereographic Projections
Azimuthal Maps
Nominal Location
38. Blue - Green - Red - NIR....
Natural Breaks
Objects
GCS
Bands
39. The smallest pixel size visible in an image - the limit of magnification
Spatial Resolution
Neogeography
Mash up
Equidistant Map Projections
40. Assigning location information to various media (photos - video - music).
Geotagging
Azimuthal Maps
Route knowledge
Measurement & Levels of Measurement
41. 2 common _______: 1. Vector. 2. Raster.
Data models
Horizontal frame EDA
TIN Topology Tables
Azimuthal Maps
42. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Geoparsing
Land Ordinance
LandSAT TM Bands
Mash up
43. 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
Raster
Geotagging
Land Ordinance
Conformal Map Projections
44. Preserve Direction
GIS (Geographic Information Systems)
Azimuthal Maps
Global network of data
Geoparsing
45. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Parts of Map
Raster
Continuous Variables
Multi-scalar
46. GIS is ________
Raw data
Multi-scalar
GCS
Spectral Resolution
47. An assignment of geographic coordinates to locations.
Map Projection
Geocoding
Reference maps
Absolute Location
48. Preserve Shape
Cartogram
Conformal Maps
Measurement & Levels of Measurement
Unique identifier
49. The range of wavelengths sampled by a remote sensor.
NODES
Spectral Resolution
Hull
Simplification
50. Digital Elevation Model
Contour Lines
Primary Color
DEM
Hull