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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. 80 % of all information contain _________
Location information
Swath Width
Data models
Raw data
2. Shift in delivery (eg - require user interaction).
Dynamic maps
Location information
Route knowledge
RF
3. Consists of F & E: 1. Features. 2. Entities.
World
API
Maps
TIN Topology Tables
4. Connect & travel between landmarks by moving thru space.
Remote Sensing
Route knowledge
Mash up
Global network of data
5. Can assume all values between any two specific values. They are obtained by measuring.
Equidistant Map Projections
Continuous Variables
Raw data
Norths
6. 2 ______: 1. Files/records. 2. Database/collection of files.
Different databases
NODES
7.5' Map
Join
7. The nature of relationships & connectivity between them.
Map Projection
Horizontal frame EDA
Route knowledge
Topology
8. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row
Selection & Elimination
Quantile
Contour Lines
Attribute Tabl
9. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.
Abstraction
Verify Query
Legend
Structure
10. 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.
Area definition
MODIS Bands
Primary Color
Data models
11. GIS is ________
Join
7.5' Map
Measurement & Levels of Measurement
Multi-scalar
12. The reverse of each other.
Selection & Elimination
Parts of Map
Map
Absolute Location
13. A map containing information on only one topic or theme.
Horizontal frame EDA
Lattice Model
Thematic Maps
Primary key
14. Representative fraction
RF
Geotagging
Thematic maps
Hull
15. When parallels & meridians intersect at right angles.
Raster Data Model
TIN
Toponymy
Conformal Map Projections
16. Explanatory list of symbols on a map
Lattice Model
Abstraction
Legend
Raster Data Model
17. A Complete frame
WGS84
Multi-scalar
Route knowledge
Thematic Maps
18. 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.
Simplification
Raster Data Model
Lattice Model
Maps
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.
Geotagging
Relational DBMS
Arc-node topology
Measurement & Levels of Measurement
20. When distances from the center of the projection to any other place on the map are uniform in all directions.
VRQ
Quantile
Equidistant Map Projections
Join
21. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.
NODES
Objects
Swath Width
Maps
22. Files in the DB can be linked or joined using the _______
Data Classification
Intersect
Primary key
Discrete Variables
23. The range of wavelengths sampled by a remote sensor.
Norths
Relative Location
Spectral Resolution
Location information
24. Sailors and pilots use these maps to navigate
Geoparsing
Navigational Maps
Join
API
25. Blue - Green - Red - NIR....
Bands
Survey knowledge
Navigational Maps
7.5' Map
26. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.
Map
Authority
Mash up
Datum
27. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.
Route knowledge
Vector data models
MODIS Bands
Unique identifier
28. A data classification method that divides a set of attribute values into groups that contain an equal range of values
Equal Area Projections
Maps
Cartogram
Equal Interval
29. LN 1. L - Level Surfaces. 2. N - NAVD88.
Topology
Abstraction
Temporal Resolution
Vertical frame
30. Most popular form of USGS Map
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183
31. Where 2 lines/arcs intersect - an endpoint - or a point along a line.
World
Data Classification
NODES
Compass & human analysis
32. GIS is not a ______
Grasslands
Mash up
Temporal Resolution
Map
33. 2 reasons why Topology matters: 1. Error detection. 2. ___________.
Spatial analysis
Hull
Bands
GIS (Geographic Information Systems)
34. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.
Maps
Temporal Resolution
Data Modelling
Reference Maps
35. DBMS used for: _______ - access - organize & edit.
Structure
TIN
GIS (Geographic Information Systems)
Vector data models
36. Arcs only ___ at Nodes
Spatial Resolution
World
Raw data
Join
37. Deliver location / topographic information.
Route knowledge
Different databases
Reference maps
Area definition
38. The 3 _____: 1. True. 2. Magnetic. 3. Grid.
Norths
Geocoding
Multi-scalar
Azimuthal Maps
39. Smoothing & Shape abstraction.
LandSAT TM Bands
Simplification
Continuous Variables
Norths
40. Real Things (trees - forests - cities etc).
Vector data models
Geocoding
Entities
Location information
41. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude
Attribute Tabl
Spectral Resolution
Reference Maps
Measurement & Levels of Measurement
42. Preserve Shape
Nominal Location
Authority
7.5' Map
Conformal Maps
43. Application Programming Interfaces (increases access like my maps on google).
WGS84
Parts of Map
Equal Area Projections
API
44. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)
Global network of data
Vector Data Forms
Map
Discrete Variables
45. 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
Authority
Measurement & Levels of Measurement
Abstraction CLD
Land Ordinance
46. Precision of a measurement with respect to time
Vector Data Forms
Verify Query
Temporal Resolution
Absolute Location
47. Area of the Earth that is displayed in each image
Landmark knowledge
Azimuthal Maps
Reference Maps
Swath Width
48. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.
Objects
Lattice Model
Global network of data
Verify Query
49. The smallest pixel size visible in an image - the limit of magnification
Azimuthal Maps
Spatial Resolution
Continuous Variables
Multi-scalar
50. To avoid corrupt data!
Subsystems
Verify Query
Relative Location
Data Classification