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






2. Title - legend or key - grid system - distance scale - direction and compass rose






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






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






5. Triangulated Irregular Network.






6. A reference system (geographic coordinates)






7. Assigning location information to text & discourse.






8. An assignment of geographic coordinates to locations.






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






10. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.






11. Explanatory list of symbols on a map






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






13. Global Positioning System.






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






15. Application Programming Interfaces (increases access like my maps on google).






16. GIS is not a ______






17. A data classification method that divides a set of attribute values into groups that contain an equal range of values






18. Contour lines never _______






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






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






21. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km






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






23. 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.






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






25. Arcs only ___ at Nodes






26. Understand spatial relations between landmarks>shortcuts.






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






28. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.






29. Google Maps or Microsoft Bing.






30. Can not be made from other colors






31. Preserve Direction






32. Precision of a measurement with respect to time






33. A 3-D frame of reference (model of the earth) used to determine surface locations.






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






35. 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.






36. Lines that connect points of equal value.






37. Provide information about a particular topic or theme.






38. Are made with GIS






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






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






41. The ability to link files together.






42. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






43. A Complete frame






44. Description by name: ex London






45. 1. An array of regulary spaced cells or pixels. 2. Each cell holds attributes (values).






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






47. Symbol on a map used to show direction






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






49. Smoothing & Shape abstraction.






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







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