Test your basic knowledge |

GIS: Geographic Information Systems

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. Real Things (trees - forests - cities etc).






2. 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






3. People creating their own maps - on their own terms by combining elements of an existing toolset.






4. The 5 key concepts in Geography & GIS (LDDSN) 1. Location. 2. _________. 3. Distance. 4. Space. 5. Navigation.






5. Triangulated Irregular Network.






6. A map containing information on only one topic or theme.






7. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






8. User generated content (UGC). Volunteered geog. info (VGI). Professional vs amateur. Neogeography vs GIS.






9. Consists of F & E: 1. Features. 2. Entities.






10. A line segment between 2 nodes -1 of which is a start node & the other an end node.






11. Relative to another known feature






12. Contour lines never _______






13. 1. E - Ellipsoid dimensions. 2. D - Datum origin. 3. A - Angular alignment.






14. Lines that connect points of equal value.






15. Geographic Coordinate System.






16. Shift in delivery (eg - require user interaction).






17. Arcs only ___ at Nodes






18. 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.






19. The reverse of each other.






20. Explanatory list of symbols on a map






21. Google Maps or Microsoft Bing.






22. The 2 _____ in data modelling: 1. Database. 2. Data Storage.






23. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.






24. Deliver location / topographic information.






25. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.






26. 2 common _______: 1. Vector. 2. Raster.






27. A tabular file containing rows and columns; descriptive attributes about some object such as a geographic feature are contained in each row






28. Data Modelling - Turning entities into complex objects (geometry - quality).






29. Thematic map that uses dots to represent the frequency of a variable in a given area.






30. Maps are restricted to a __________.






31. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km






32. Classes based on natural groupings through examination of histogram (good: minimizes differences bad: data range uneven)






33. A Complete frame






34. Identify unique points - patterns or features in space.






35. HAL - H-Human nature. A-Arbitrary/socially constructed. L-Loss of info (hiding variance within a class or group).






36. GIS is not a ______






37. The nature of relationships & connectivity between them.






38. Area of the Earth that is displayed in each image






39. Preserve Shape






40. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude






41. A process of mathematical conversion.






42. Accuracy - reliability - responsibility.






43. GIS is ________ - spatial analysis & dependent on the computer.






44. Files in the DB can be linked or joined using the _______






45. The ability to link files together.






46. Map in which some thematic mapping variable is substituted for area (like a graph in a map)






47. Assigning location information to text & discourse.






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.






49. When distances from the center of the projection to any other place on the map are uniform in all directions.






50. The 3 _____: 1. True. 2. Magnetic. 3. Grid.