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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 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
North Arrow
Cartogram
TIN Topology Tables
Remote Sensing
2. Are made with GIS
Maps
Temporal Resolution
Spectral Resolution
Entities
3. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Data Modelling
Topology
Grasslands
Navigational Maps
4. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Equidistant Map Projections
TIN Topology Tables
Norths
Global network of data
5. DBMS used for: _______ - access - organize & edit.
Structure
Grasslands
Continuous Variables
Intersect
6. Blue - Green - Red - NIR....
Raster
Bands
Primary Color
Equal Area Projections
7. 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.
Continuous Variables
Relative Location
Arc-node topology
Landmark knowledge
8. The ability to link files together.
Relational DBMS
Land Ordinance
Structure
GPS
9. Precision of a measurement with respect to time
Verify Query
Topology
Mash up
Temporal Resolution
10. LN 1. L - Level Surfaces. 2. N - NAVD88.
Legend
Vertical frame
Map
Compass & human analysis
11. Thematic map that uses dots to represent the frequency of a variable in a given area.
Primary Color
Dot Density Map
GCS
Dynamic maps
12. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
Horizontal frame EDA
Polar Stereographic Projections
Land Ordinance
Objects
13. Most popular form of USGS Map
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14. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Discrete Variables
Remote Sensing
Norths
GIS (Geographic Information Systems)
15. The range of wavelengths sampled by a remote sensor.
Reference maps
Lattice Model
Spectral Resolution
Location information
16. Preserve Direction
VRQ
Azimuthal Maps
Reference Maps
Primary key
17. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
LandSAT TM Bands
Cartogram
Vertical frame
GIS (Geographic Information Systems)
18. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Subsystems
Selection & Elimination
Dynamic maps
Contour Lines
19. A Complete frame
Bands
WGS84
Dynamic maps
Arc-node topology
20. A data classification method that divides a set of attribute values into groups that contain an equal range of values
MODIS Bands
Unique identifier
Equal Interval
Navigational Maps
21. 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
Vector data models
Natural Breaks
Cartogram
22. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
Primary key
Swath Width
Hull
MODIS Bands
23. Identify unique points - patterns or features in space.
World
Landmark knowledge
TIN Topology Tables
Arcs
24. Geographic Coordinate System.
TIN
Thematic Maps
NODES
GCS
25. To avoid corrupt data!
TIN
Geotagging
Unique identifier
Verify Query
26. The smallest pixel size visible in an image - the limit of magnification
Spatial Resolution
Join
Attribute Tabl
Grasslands
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.
Abstraction CLD
Dynamic maps
Measurement & Levels of Measurement
Nominal Location
28. Contour lines never _______
Reference maps
Direction
Intersect
Lattice Model
29. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
API
Global network of data
MODIS Bands
Simplification
30. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Absolute Location
Continuous Variables
Relational DBMS
Abstraction CLD
31. When distances from the center of the projection to any other place on the map are uniform in all directions.
Entities
WGS84
Equidistant Map Projections
Verify Query
32. Provide information about a particular topic or theme.
Direction
Hull
GPS
Thematic maps
33. GIS is ________ - spatial analysis & dependent on the computer.
VRQ
Contour Lines
Raw data
Reference Maps
34. 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
Join
VRQ
Authority
35. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
GPS
GCS
Route knowledge
Quantile
36. Sailors and pilots use these maps to navigate
Verify Query
Contour Lines
Navigational Maps
Data models
37. Area of the Earth that is displayed in each image
Swath Width
DEM
Location information
Quantile
38. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Data Classification
Datum
Equal Area Projections
Neogeography
39. Essentials of DBMS: Each record has a ________
Geotagging
Location information
Unique identifier
Vertical frame
40. Understand spatial relations between landmarks>shortcuts.
Objects
Geocoding
Survey knowledge
NODES
41. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Survey knowledge
Discrete Variables
Hull
Location information
42. Data Modelling - Turning entities into complex objects (geometry - quality).
Azimuthal Maps
Parts of Map
GIS (Geographic Information Systems)
Datum
43. Connect & travel between landmarks by moving thru space.
WGS84
Route knowledge
Raster Data Model
Continuous Variables
44. Google Maps or Microsoft Bing.
Survey knowledge
Data models
Mash up
Spectral Resolution
45. Arcs only ___ at Nodes
WGS84
Abstraction CLD
Join
Dot Density Map
46. Explanatory list of symbols on a map
Conformal Map Projections
Legend
Entities
TIN Topology Tables
47. Files in the DB can be linked or joined using the _______
Cartogram
Structure
Measurement & Levels of Measurement
Primary key
48. 80 % of all information contain _________
Relational DBMS
Data models
Location information
Dot Density Map
49. Shift in delivery (eg - require user interaction).
Map
Dynamic maps
Horizontal frame EDA
GPS
50. A line segment between 2 nodes -1 of which is a start node & the other an end node.
North Arrow
Arcs
Thematic maps
Abstraction CLD