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. Essentials of DBMS: Each record has a ________






2. A reference system (geographic coordinates)






3. Understand spatial relations between landmarks>shortcuts.






4. 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.






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






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






7. Are made with GIS






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






9. The range of wavelengths sampled by a remote sensor.






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






11. 2 reasons why Topology matters: 1. Error detection. 2. ___________.






12. Digital Elevation Model






13. Google Maps or Microsoft Bing.






14. Assigning location information to text & discourse.






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






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






17. Symbol on a map used to show direction






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






19. The smallest pixel size visible in an image - the limit of magnification






20. Provide information about a particular topic or theme.






21. To avoid corrupt data!






22. Global Positioning System.






23. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






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






25. _________ of the Real World: (S&E - S&S - G&A) 1. Selection & Elimination. 2. Simplification & Smoothing. 3. Generalization & Aggregation.






26. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km






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






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






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






30. Representative fraction






31. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






32. Where 2 lines/arcs intersect - an endpoint - or a point along a line.






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






34. GIS is not a ______






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






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






37. Sailors and pilots use these maps to navigate






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






39. 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






40. Regulary spaced sample of points representing a surface.






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






42. Most popular form of USGS Map

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43. When parallels & meridians intersect at right angles.






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






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






46. Description by name: ex London






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






48. Deliver location / topographic information.






49. Geographic Coordinate System.






50. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.