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






2. A reference system (geographic coordinates)






3. The reverse of each other.






4. Contour lines never _______






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






6. Representative fraction






7. Points taken at regular intervals from the cumulative distribution function (CDF) of a random variable.






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






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






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






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






12. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km






13. Explanatory list of symbols on a map






14. Preserve Direction






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






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






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






18. GIS is ________






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






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






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






22. Digital Elevation Model






23. Accuracy - reliability - responsibility.






24. Can not be made from other colors






25. Global Positioning System.






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






27. Essentials of DBMS: Each record has a ________






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






29. Google Maps or Microsoft Bing.






30. 80 % of all information contain _________






31. Relative to another known feature






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






33. 2 common _______: 1. Vector. 2. Raster.






34. When parallels & meridians intersect at right angles.






35. A process of mathematical conversion.






36. 2 ______: 1. Files/records. 2. Database/collection of files.






37. Maps are restricted to a __________.






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






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






40. Symbol on a map used to show direction






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






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






43. The ability to link files together.






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






45. Sailors and pilots use these maps to navigate






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






47. Points - Polygons - Lines






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






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






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







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