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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. DBMS used for: _______ - access - organize & edit.
Structure
Grasslands
Lattice Model
Raw data
2. Map in which some thematic mapping variable is substituted for area (like a graph in a map)
Subsystems
Cartogram
7.5' Map
Authority
3. A reference system (geographic coordinates)
Natural Breaks
Raw data
Spatial Resolution
Absolute Location
4. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
Raw data
NODES
Natural Breaks
Area definition
5. 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.
Nominal Location
Spatial Resolution
Abstraction CLD
Raster Data Model
6. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Arc-node topology
Authority
Remote Sensing
Dynamic maps
7. Data Modelling - Turning entities into complex objects (geometry - quality).
Grasslands
TIN
GIS (Geographic Information Systems)
Relational DBMS
8. To avoid corrupt data!
Land Ordinance
RF
Verify Query
Equal Area Projections
9. A map containing information on only one topic or theme.
LandSAT TM Bands
Bands
Vector data models
Thematic Maps
10. Blue - Green - Red - NIR....
Bands
Land Ordinance
DEM
Datum
11. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
Polar Stereographic Projections
TIN Topology Tables
API
Objects
12. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Spatial analysis
Thematic Maps
Landmark knowledge
Azimuthal Maps
13. Most popular form of USGS Map
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183
14. Essentials of DBMS: Each record has a ________
Thematic Maps
Unique identifier
Area definition
Landmark knowledge
15. Files in the DB can be linked or joined using the _______
Raw data
Quantile
Primary key
GCS
16. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Attribute Tabl
Reference Maps
GIS (Geographic Information Systems)
Abstraction
17. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Verify Query
Multi-scalar
Raster
Data Classification
18. Description by name: ex London
DEM
Nominal Location
Map
Compass & human analysis
19. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Authority
Abstraction CLD
DEM
Quantile
20. Provide information about a particular topic or theme.
Quantile
RF
Thematic maps
7.5' Map
21. A Complete frame
Parts of Map
WGS84
GIS (Geographic Information Systems)
API
22. Can assume all values between any two specific values. They are obtained by measuring.
Continuous Variables
Direction
Authority
Entities
23. A line segment between 2 nodes -1 of which is a start node & the other an end node.
North Arrow
Equidistant Map Projections
Arcs
RF
24. LN 1. L - Level Surfaces. 2. N - NAVD88.
MODIS Bands
Abstraction
Vertical frame
Abstraction CLD
25. Title - legend or key - grid system - distance scale - direction and compass rose
Landmark knowledge
Contour Lines
Parts of Map
Arc-node topology
26. Real Things (trees - forests - cities etc).
Reference Maps
Entities
Dynamic maps
Verify Query
27. Accuracy - reliability - responsibility.
Entities
Intersect
Vertical frame
Quality GIGO
28. 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
Quantile
Intersect
Remote Sensing
29. Area of the Earth that is displayed in each image
Data models
Swath Width
Geocoding
Horizontal frame EDA
30. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Azimuthal Maps
North Arrow
Land Ordinance
Equal Area Projections
31. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Authority
TIN Topology Tables
Grasslands
Abstraction CLD
32. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Data Classification
Landmark knowledge
Geotagging
Norths
33. When parallels & meridians intersect at right angles.
Entities
Conformal Map Projections
Natural Breaks
Absolute Location
34. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
Abstraction
Natural Breaks
Land Ordinance
Abstraction CLD
35. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.
7.5' Map
Horizontal frame EDA
Data Classification
Reference Maps
36. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Norths
Attribute Tabl
Raster
GIS (Geographic Information Systems)
37. The range of wavelengths sampled by a remote sensor.
Spectral Resolution
Nominal Location
Location information
Global network of data
38. People creating their own maps - on their own terms by combining elements of an existing toolset.
Conformal Map Projections
Neogeography
Lattice Model
Relative Location
39. Smoothing & Shape abstraction.
Simplification
GPS
Toponymy
Location information
40. The smallest pixel size visible in an image - the limit of magnification
Geocoding
Route knowledge
Spatial Resolution
Direction
41. Consists of F & E: 1. Features. 2. Entities.
Survey knowledge
Equidistant Map Projections
World
Legend
42. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Map Projection
LandSAT TM Bands
Compass & human analysis
Data Modelling
43. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
Equidistant Map Projections
VRQ
Arcs
Survey knowledge
44. GIS is ________
Multi-scalar
Location information
GPS
Quality GIGO
45. Identify unique points - patterns or features in space.
Vector data models
Equal Interval
TIN Topology Tables
Landmark knowledge
46. Application Programming Interfaces (increases access like my maps on google).
MODIS Bands
API
Navigational Maps
Grasslands
47. Can not be made from other colors
Direction
Simplification
Data models
Primary Color
48. Google Maps or Microsoft Bing.
Mash up
Abstraction CLD
Polar Stereographic Projections
Simplification
49. Geographic Coordinate System.
VRQ
Contour Lines
Parts of Map
GCS
50. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Raster Data Model
Equal Interval
Horizontal frame EDA
Vector Data Forms