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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. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.
Geoparsing
Attribute Tabl
WGS84
Quantile
2. Arcs only ___ at Nodes
Quality GIGO
Legend
Join
Primary key
3. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Norths
Data Modelling
Unique identifier
World
4. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.
VRQ
Abstraction CLD
Horizontal frame EDA
Abstraction
5. Title - legend or key - grid system - distance scale - direction and compass rose
Relational DBMS
NODES
Map
Parts of Map
6. 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
RF
Geocoding
Continuous Variables
Land Ordinance
7. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.
Polar Stereographic Projections
DEM
Contour Lines
World
8. An assignment of geographic coordinates to locations.
Toponymy
Multi-scalar
Geocoding
Discrete Variables
9. The study of place names - origins - history & meanings.
Hull
Conformal Map Projections
Horizontal frame EDA
Toponymy
10. Identify unique points - patterns or features in space.
Intersect
Subsystems
Objects
Landmark knowledge
11. Triangulated Irregular Network.
Geotagging
Route knowledge
Data models
TIN
12. To avoid corrupt data!
Dynamic maps
Reference Maps
Verify Query
TIN Topology Tables
13. Maps are restricted to a __________.
Raster Data Model
Compass & human analysis
RF
Cartogram
14. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.
Route knowledge
Cartogram
Equidistant Map Projections
Grasslands
15. A reference system (geographic coordinates)
Equal Interval
Absolute Location
7.5' Map
Toponymy
16. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.
Temporal Resolution
Geoparsing
Hull
Equal Area Projections
17. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Primary key
Landmark knowledge
GIS (Geographic Information Systems)
Norths
18. 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.
Thematic maps
Join
Measurement & Levels of Measurement
Landmark knowledge
19. LN 1. L - Level Surfaces. 2. N - NAVD88.
Vertical frame
GPS
Arcs
Route knowledge
20. Provide information about a particular topic or theme.
MODIS Bands
Attribute Tabl
Thematic maps
Abstraction
21. 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.
Parts of Map
Arc-node topology
Join
Abstraction
22. Can assume all values between any two specific values. They are obtained by measuring.
Quality GIGO
Continuous Variables
Arcs
Grasslands
23. Preserve Direction
Legend
Azimuthal Maps
Selection & Elimination
Horizontal frame EDA
24. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.
Map
Data Modelling
VRQ
Authority
25. Deliver location / topographic information.
Intersect
GPS
MODIS Bands
Reference maps
26. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).
Equal Interval
Route knowledge
Intersect
Raster
27. Lines that connect points of equal value.
Contour Lines
Reference maps
Land Ordinance
LandSAT TM Bands
28. Google Maps or Microsoft Bing.
Topology
Conformal Map Projections
Toponymy
Mash up
29. Shift in delivery (eg - require user interaction).
Reference maps
Bands
Grasslands
Dynamic maps
30. Application Programming Interfaces (increases access like my maps on google).
API
Survey knowledge
TIN Topology Tables
Raster Data Model
31. Files in the DB can be linked or joined using the _______
Primary key
GCS
Structure
Thematic maps
32. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
Verify Query
Remote Sensing
Multi-scalar
Selection & Elimination
33. The ability to link files together.
Authority
Relational DBMS
Entities
Maps
34. Can not be made from other colors
Primary Color
Maps
Spectral Resolution
Geoparsing
35. A Complete frame
WGS84
Remote Sensing
North Arrow
Area definition
36. Geographic Coordinate System.
Selection & Elimination
Swath Width
Dynamic maps
GCS
37. 2 ______: 1. Files/records. 2. Database/collection of files.
Reference maps
NODES
Different databases
Global network of data
38. Description by name: ex London
Quantile
Nominal Location
Hull
Toponymy
39. Thematic map that uses dots to represent the frequency of a variable in a given area.
Spectral Resolution
Dot Density Map
Survey knowledge
Abstraction
40. Accuracy - reliability - responsibility.
Parts of Map
Quality GIGO
Join
Hull
41. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.
Hull
Azimuthal Maps
Direction
VRQ
42. Blue - Green - Red - NIR....
Bands
Norths
Attribute Tabl
Polar Stereographic Projections
43. GIS is not a ______
Objects
Map
Primary Color
RF
44. People creating their own maps - on their own terms by combining elements of an existing toolset.
Discrete Variables
Neogeography
Conformal Map Projections
Route knowledge
45. Symbol on a map used to show direction
Quantile
Spectral Resolution
Area definition
North Arrow
46. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Equal Interval
Cartogram
GPS
World
47. Area of the Earth that is displayed in each image
NODES
Swath Width
Geotagging
Absolute Location
48. 80 % of all information contain _________
Location information
Contour Lines
VRQ
Survey knowledge
49. The 2 _____ in data modelling: 1. Database. 2. Data Storage.
Authority
Datum
LandSAT TM Bands
Subsystems
50. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.
TIN Topology Tables
Location information
Spectral Resolution
Temporal Resolution