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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. 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
Data models
Reference maps
Attribute Tabl
2. Regulary spaced sample of points representing a surface.
Datum
Lattice Model
Norths
Topology
3. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Verify Query
Discrete Variables
Relative Location
Direction
4. 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.
Arc-node topology
Primary Color
Area definition
Selection & Elimination
5. A process of mathematical conversion.
Map Projection
Global network of data
Spectral Resolution
Discrete Variables
6. Maps are restricted to a __________.
Cartogram
Subsystems
TIN
Compass & human analysis
7. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Measurement & Levels of Measurement
Abstraction
NODES
Thematic Maps
8. Blue - Green - Red - NIR....
Bands
Multi-scalar
Primary key
Reference Maps
9. Real Things (trees - forests - cities etc).
Entities
Attribute Tabl
Raw data
Subsystems
10. LN 1. L - Level Surfaces. 2. N - NAVD88.
Norths
Azimuthal Maps
Vertical frame
Contour Lines
11. A reference system (geographic coordinates)
Conformal Map Projections
Objects
Absolute Location
Reference maps
12. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Authority
Equidistant Map Projections
Mash up
Data Modelling
13. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
World
Topology
Thematic maps
Global network of data
14. Smoothing & Shape abstraction.
Relative Location
Simplification
Bands
Vector Data Forms
15. Can not be made from other colors
Quantile
Remote Sensing
Map Projection
Primary Color
16. Google Maps or Microsoft Bing.
Mash up
Cartogram
TIN Topology Tables
Direction
17. Essentials of DBMS: Each record has a ________
Area definition
Unique identifier
North Arrow
Equal Area Projections
18. The reverse of each other.
Dot Density Map
Quantile
Selection & Elimination
Parts of Map
19. 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.
Raster
Equal Area Projections
Raster Data Model
Measurement & Levels of Measurement
20. Representative fraction
Conformal Maps
Navigational Maps
Entities
RF
21. Deliver location / topographic information.
Subsystems
Reference maps
World
Multi-scalar
22. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Equal Interval
Nominal Location
Neogeography
Geotagging
23. To avoid corrupt data!
Land Ordinance
Dot Density Map
Verify Query
GIS (Geographic Information Systems)
24. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
TIN
Cartogram
Parts of Map
TIN Topology Tables
25. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
TIN Topology Tables
7.5' Map
Entities
Objects
26. Consists of F & E: 1. Features. 2. Entities.
Multi-scalar
Nominal Location
World
Reference maps
27. Assigning location information to various media (photos - video - music).
Landmark knowledge
Geotagging
Quality GIGO
Spectral Resolution
28. 2 common _______: 1. Vector. 2. Raster.
Nominal Location
Multi-scalar
Data models
Vector Data Forms
29. GIS is not a ______
Reference maps
Map
Vector Data Forms
Verify Query
30. A line segment between 2 nodes -1 of which is a start node & the other an end node.
GIS (Geographic Information Systems)
Direction
Arcs
Verify Query
31. When distances from the center of the projection to any other place on the map are uniform in all directions.
Spectral Resolution
Equidistant Map Projections
Quantile
Absolute Location
32. Most popular form of USGS Map
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183
33. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Neogeography
LandSAT TM Bands
Geoparsing
Cartogram
34. Contour lines never _______
Vertical frame
Intersect
Geoparsing
Continuous Variables
35. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Data Classification
Mash up
Survey knowledge
Thematic Maps
36. Triangulated Irregular Network.
Objects
Vector Data Forms
TIN Topology Tables
TIN
37. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
GIS (Geographic Information Systems)
Azimuthal Maps
Geoparsing
Quantile
38. The ability to link files together.
Maps
Raster
Relational DBMS
Polar Stereographic Projections
39. Accuracy - reliability - responsibility.
Contour Lines
Quality GIGO
Vector data models
RF
40. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Thematic Maps
Relational DBMS
Vector data models
Global network of data
41. Shift in delivery (eg - require user interaction).
TIN
Abstraction
Dynamic maps
Equal Interval
42. Precision of a measurement with respect to time
Continuous Variables
Parts of Map
Land Ordinance
Temporal Resolution
43. Data Modelling - Turning entities into complex objects (geometry - quality).
GIS (Geographic Information Systems)
Structure
Bands
Arc-node topology
44. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Vector Data Forms
Spatial analysis
Hull
Compass & human analysis
45. 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
Direction
Vertical frame
Arc-node topology
46. A Complete frame
Primary key
WGS84
Unique identifier
Remote Sensing
47. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Cartogram
Remote Sensing
Contour Lines
Attribute Tabl
48. Global Positioning System.
Vector data models
Unique identifier
GPS
Equal Interval
49. Files in the DB can be linked or joined using the _______
Primary key
VRQ
Equidistant Map Projections
Structure
50. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
VRQ
Spatial Resolution
Relational DBMS
Geotagging