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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 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
LandSAT TM Bands
Direction
Equal Interval
Area definition
2. Real Things (trees - forests - cities etc).
Survey knowledge
Entities
Topology
Raw data
3. An assignment of geographic coordinates to locations.
Multi-scalar
Norths
Spatial Resolution
Geocoding
4. When parallels & meridians intersect at right angles.
Contour Lines
Conformal Map Projections
Geocoding
Arc-node topology
5. Most popular form of USGS Map
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6. Lines that connect points of equal value.
Arc-node topology
Location information
MODIS Bands
Contour Lines
7. 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.
Reference maps
Area definition
Hull
Cartogram
8. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Remote Sensing
Attribute Tabl
Vertical frame
GCS
9. Thematic map that uses dots to represent the frequency of a variable in a given area.
DEM
Dot Density Map
Arc-node topology
7.5' Map
10. The study of place names - origins - history & meanings.
Nominal Location
Multi-scalar
Toponymy
Location information
11. Digital Elevation Model
Reference maps
DEM
VRQ
Maps
12. 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.
Intersect
Arc-node topology
LandSAT TM Bands
Relational DBMS
13. Preserve Shape
Conformal Maps
Location information
Data Modelling
Spatial Resolution
14. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km
Nominal Location
LandSAT TM Bands
GCS
Location information
15. A line segment between 2 nodes -1 of which is a start node & the other an end node.
Relative Location
Azimuthal Maps
Arcs
Neogeography
16. Relative to another known feature
Map Projection
Relative Location
Norths
API
17. Consists of F & E: 1. Features. 2. Entities.
World
TIN
Geocoding
Nominal Location
18. Precision of a measurement with respect to time
Structure
Norths
Temporal Resolution
Selection & Elimination
19. Assigning location information to text & discourse.
Geoparsing
Horizontal frame EDA
Azimuthal Maps
DEM
20. 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.
Abstraction CLD
Parts of Map
Raster Data Model
Mash up
21. Files in the DB can be linked or joined using the _______
Equal Interval
Absolute Location
Primary key
Structure
22. Identify unique points - patterns or features in space.
Geoparsing
Intersect
Norths
Landmark knowledge
23. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Vector data models
Conformal Map Projections
Entities
Bands
24. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).
Contour Lines
Data Classification
RF
Structure
25. Triangulated Irregular Network.
TIN
GIS (Geographic Information Systems)
Multi-scalar
Grasslands
26. Essentials of DBMS: Each record has a ________
TIN Topology Tables
Unique identifier
Mash up
Polar Stereographic Projections
27. Accuracy - reliability - responsibility.
Arcs
Area definition
Quality GIGO
Reference Maps
28. Smoothing & Shape abstraction.
Simplification
Route knowledge
Quality GIGO
Spatial analysis
29. Provide information about a particular topic or theme.
Thematic maps
North Arrow
Geoparsing
Abstraction
30. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
Simplification
TIN Topology Tables
Route knowledge
Maps
31. A reference system (geographic coordinates)
Entities
Lattice Model
Quality GIGO
Absolute Location
32. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km
Spectral Resolution
LandSAT TM Bands
Horizontal frame EDA
MODIS Bands
33. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Data Modelling
GCS
Remote Sensing
Map
34. DBMS used for: _______ - access - organize & edit.
Dynamic maps
Direction
Structure
GIS (Geographic Information Systems)
35. Global Positioning System.
GPS
Equidistant Map Projections
Quantile
Spectral Resolution
36. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Unique identifier
Compass & human analysis
Legend
Abstraction CLD
37. Preserve Direction
Equal Interval
Azimuthal Maps
Attribute Tabl
Toponymy
38. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Quantile
VRQ
Navigational Maps
WGS84
39. Symbol on a map used to show direction
Vector data models
North Arrow
Entities
Norths
40. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Grasslands
Dynamic maps
Measurement & Levels of Measurement
Subsystems
41. To avoid corrupt data!
Structure
Verify Query
Geoparsing
Datum
42. GIS is ________
Navigational Maps
Multi-scalar
Conformal Maps
Vertical frame
43. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Discrete Variables
Hull
Reference maps
GPS
44. Description by name: ex London
Neogeography
Topology
Land Ordinance
Nominal Location
45. Arcs only ___ at Nodes
Equidistant Map Projections
Join
Toponymy
Discrete Variables
46. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.
Hull
Toponymy
Maps
Reference maps
47. The reverse of each other.
Grasslands
Selection & Elimination
Multi-scalar
Nominal Location
48. Explanatory list of symbols on a map
Data Modelling
Lattice Model
Legend
Arcs
49. A 3-D frame of reference (model of the earth) used to determine surface locations.
Entities
Vertical frame
Geotagging
Datum
50. Connect & travel between landmarks by moving thru space.
Primary key
Route knowledge
MODIS Bands
Contour Lines