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. Fixed entitites - Can only take a specific value (Ex. number of students in a class - anything that is counted and not measured)






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






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






4. Assigning location information to various media (photos - video - music).






5. Assigning location information to text & discourse.






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






7. GIS is not a ______






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






9. Representative fraction






10. LN 1. L - Level Surfaces. 2. N - NAVD88.






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






12. 2 ______: 1. Files/records. 2. Database/collection of files.






13. A Complete frame






14. Digital Elevation Model






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






16. Points - Polygons - Lines






17. Most popular form of USGS Map

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18. Blue - Green - Red - NIR....






19. A reference system (geographic coordinates)






20. Relative to another known feature






21. Preserve Shape






22. Provide information about a particular topic or theme.






23. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.






24. DBMS used for: _______ - access - organize & edit.






25. When areas on a map maintain the same proportional relationship to the areas on the earth that they represent.






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






27. Preserve Direction






28. Can not be made from other colors






29. Triangulated Irregular Network.






30. Uses coordinates (X -Y) to represent spatial features. Scale matters involve what Polygons<>points. Polygons<>lines.






31. Smoothing & Shape abstraction.






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






33. Lines that connect points of equal value.






34. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.






35. 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.






36. When parallels & meridians intersect at right angles.






37. Global Positioning System.






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






39. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






40. Connect & travel between landmarks by moving thru space.






41. The study of place names - origins - history & meanings.






42. Understand spatial relations between landmarks>shortcuts.






43. Arcs only ___ at Nodes






44. An assignment of geographic coordinates to locations.






45. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.






46. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.






47. Can assume all values between any two specific values. They are obtained by measuring.






48. Google Maps or Microsoft Bing.






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






50. The 5 __________: TTCETH - 1. Triangle table 2. Triangle-Node table 3. Coordinate table 4. Triangle-Edge table 5. Hull-Edge table.