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Test your basic knowledge |
GIS: Geographic Information Systems
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Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Nominal Location
Polar Stereographic Projections
Land Ordinance
Different databases
2. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Multi-scalar
Discrete Variables
Relational DBMS
Abstraction CLD
3. Files in the DB can be linked or joined using the _______
Survey knowledge
Global network of data
Primary key
Thematic maps
4. Consists of F & E: 1. Features. 2. Entities.
Different databases
Geoparsing
Spatial Resolution
World
5. 2 ______: 1. Files/records. 2. Database/collection of files.
Relative Location
Raster
Different databases
Location information
6. Understand spatial relations between landmarks>shortcuts.
Navigational Maps
Survey knowledge
TIN Topology Tables
LandSAT TM Bands
7. Representative fraction
RF
Data Classification
Land Ordinance
Geocoding
8. A line segment between 2 nodes -1 of which is a start node & the other an end node.
GPS
Arcs
Lattice Model
Thematic maps
9. 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
Datum
Verify Query
Cartogram
10. Most popular form of USGS Map
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11. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Parts of Map
Subsystems
Natural Breaks
MODIS Bands
12. Can not be made from other colors
Primary Color
Reference maps
Data Classification
Polar Stereographic Projections
13. Assigning location information to various media (photos - video - music).
Continuous Variables
Norths
Geotagging
North Arrow
14. Application Programming Interfaces (increases access like my maps on google).
API
Horizontal frame EDA
Navigational Maps
Global network of data
15. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
GPS
Unique identifier
Primary Color
Raster
16. Data Modelling - Turning entities into complex objects (geometry - quality).
Bands
Simplification
Map Projection
GIS (Geographic Information Systems)
17. Connect & travel between landmarks by moving thru space.
Geotagging
Route knowledge
World
DEM
18. GIS is not a ______
Primary key
Map
Equal Area Projections
Raster
19. Explanatory list of symbols on a map
Legend
Global network of data
TIN
Swath Width
20. Real Things (trees - forests - cities etc).
Measurement & Levels of Measurement
Conformal Map Projections
Objects
Entities
21. A reference system (geographic coordinates)
Absolute Location
Land Ordinance
Vector Data Forms
Equal Interval
22. Shift in delivery (eg - require user interaction).
Landmark knowledge
Intersect
Dynamic maps
Direction
23. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Parts of Map
Land Ordinance
Equal Interval
Measurement & Levels of Measurement
24. Sailors and pilots use these maps to navigate
Navigational Maps
VRQ
Legend
WGS84
25. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
GPS
Survey knowledge
Relational DBMS
TIN Topology Tables
26. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Navigational Maps
Quantile
Nominal Location
Simplification
27. The nature of relationships & connectivity between them.
Dot Density Map
Topology
Navigational Maps
Reference Maps
28. Essentials of DBMS: Each record has a ________
WGS84
Spectral Resolution
World
Unique identifier
29. When distances from the center of the projection to any other place on the map are uniform in all directions.
Selection & Elimination
Measurement & Levels of Measurement
Subsystems
Equidistant Map Projections
30. GIS is ________
Dynamic maps
Relational DBMS
Multi-scalar
Survey knowledge
31. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
Toponymy
Spatial Resolution
Geotagging
Objects
32. Triangulated Irregular Network.
TIN
Compass & human analysis
Geocoding
Maps
33. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Structure
Different databases
Selection & Elimination
Grasslands
34. Geographic Coordinate System.
GCS
Dynamic maps
Grasslands
Subsystems
35. When parallels & meridians intersect at right angles.
Conformal Map Projections
NODES
Parts of Map
World
36. Can assume all values between any two specific values. They are obtained by measuring.
Structure
Arcs
Continuous Variables
Remote Sensing
37. 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
Mash up
Reference Maps
Temporal Resolution
38. Title - legend or key - grid system - distance scale - direction and compass rose
Route knowledge
Parts of Map
Contour Lines
Discrete Variables
39. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Area definition
Quality GIGO
NODES
Direction
40. A 3-D frame of reference (model of the earth) used to determine surface locations.
Parts of Map
Datum
Entities
Reference maps
41. Digital Elevation Model
GIS (Geographic Information Systems)
Primary Color
VRQ
DEM
42. Area of the Earth that is displayed in each image
RF
Swath Width
Global network of data
Relational DBMS
43. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Location information
Simplification
Arcs
LandSAT TM Bands
44. Preserve Direction
Authority
Compass & human analysis
Natural Breaks
Azimuthal Maps
45. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Thematic maps
Arcs
Equal Area Projections
Conformal Maps
46. A Complete frame
WGS84
Raster Data Model
Attribute Tabl
Primary Color
47. 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.
Raster Data Model
Verify Query
Dynamic maps
Thematic maps
48. Preserve Shape
Parts of Map
Grasslands
Conformal Maps
Raw data
49. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
TIN
Map Projection
VRQ
Authority
50. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Continuous Variables
Vertical frame
Hull
Data Modelling
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