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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. Identify unique points - patterns or features in space.
Continuous Variables
Primary key
Conformal Maps
Landmark knowledge
2. Provide information about a particular topic or theme.
GPS
Thematic maps
Land Ordinance
Topology
3. Essentials of DBMS: Each record has a ________
Route knowledge
Parts of Map
Unique identifier
Horizontal frame EDA
4. 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.
Raw data
Attribute Tabl
Arc-node topology
Temporal Resolution
5. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Map Projection
Dot Density Map
Data Modelling
MODIS Bands
6. To avoid corrupt data!
Verify Query
Vertical frame
Conformal Maps
Parts of Map
7. 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
Data models
TIN
Land Ordinance
Horizontal frame EDA
8. An assignment of geographic coordinates to locations.
Natural Breaks
Reference maps
Geoparsing
Geocoding
9. Geographic Coordinate System.
Remote Sensing
Temporal Resolution
GCS
VRQ
10. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Quantile
Hull
Arcs
Spatial Resolution
11. A map containing information on only one topic or theme.
Thematic Maps
Maps
Verify Query
Data Modelling
12. Can assume all values between any two specific values. They are obtained by measuring.
Swath Width
Continuous Variables
Spatial Resolution
VRQ
13. 2 common _______: 1. Vector. 2. Raster.
Data models
TIN
Reference Maps
Objects
14. When distances from the center of the projection to any other place on the map are uniform in all directions.
Direction
Equidistant Map Projections
VRQ
Parts of Map
15. Explanatory list of symbols on a map
Legend
Objects
Hull
Geotagging
16. The smallest pixel size visible in an image - the limit of magnification
Abstraction CLD
Topology
Spatial Resolution
Absolute Location
17. Representative fraction
RF
Continuous Variables
Landmark knowledge
Parts of Map
18. Maps are restricted to a __________.
Compass & human analysis
Continuous Variables
Spatial analysis
Remote Sensing
19. The reverse of each other.
NODES
Location information
RF
Selection & Elimination
20. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Intersect
Equal Area Projections
WGS84
Equal Interval
21. Regulary spaced sample of points representing a surface.
Lattice Model
WGS84
Quantile
Geocoding
22. Description by name: ex London
Relational DBMS
Measurement & Levels of Measurement
Nominal Location
Data Modelling
23. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
MODIS Bands
GIS (Geographic Information Systems)
Azimuthal Maps
Thematic maps
24. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Temporal Resolution
GCS
Multi-scalar
Authority
25. 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.
Map Projection
Measurement & Levels of Measurement
Navigational Maps
MODIS Bands
26. 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.
Hull
Raster Data Model
Equal Area Projections
World
27. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Spatial analysis
Equal Interval
TIN Topology Tables
Conformal Map Projections
28. Are made with GIS
Polar Stereographic Projections
Maps
Compass & human analysis
NODES
29. Most popular form of USGS Map
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183
30. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Location information
Abstraction CLD
TIN Topology Tables
Raster
31. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Simplification
Raster Data Model
Cartogram
Attribute Tabl
32. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
Direction
GPS
NODES
Maps
33. Sailors and pilots use these maps to navigate
Map
Map Projection
Geocoding
Navigational Maps
34. The range of wavelengths sampled by a remote sensor.
Lattice Model
Subsystems
Thematic Maps
Spectral Resolution
35. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Quality GIGO
NODES
Geotagging
Natural Breaks
36. Triangulated Irregular Network.
Grasslands
Equal Area Projections
LandSAT TM Bands
TIN
37. A reference system (geographic coordinates)
Map Projection
Absolute Location
Quantile
Polar Stereographic Projections
38. Arcs only ___ at Nodes
Lattice Model
Join
Land Ordinance
Polar Stereographic Projections
39. Real Things (trees - forests - cities etc).
Entities
Abstraction
Legend
API
40. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
API
VRQ
Survey knowledge
Geotagging
41. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Geoparsing
Geocoding
Structure
Reference Maps
42. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Contour Lines
LandSAT TM Bands
Selection & Elimination
Compass & human analysis
43. Application Programming Interfaces (increases access like my maps on google).
RF
API
Dot Density Map
Data models
44. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
Vector Data Forms
Map Projection
Global network of data
Grasslands
45. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Parts of Map
Verify Query
Quantile
Area definition
46. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Abstraction CLD
Multi-scalar
Contour Lines
Unique identifier
47. Preserve Direction
Raw data
Relative Location
Azimuthal Maps
Raster
48. Symbol on a map used to show direction
Join
North Arrow
Maps
Intersect
49. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Geotagging
Data Classification
Hull
Primary key
50. Area of the Earth that is displayed in each image
Data Classification
Objects
Raster
Swath Width