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. Symbol on a map used to show direction






2. Are made with GIS






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






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






5. When parallels & meridians intersect at right angles.






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






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






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






9. Google Maps or Microsoft Bing.






10. Contour lines never _______






11. Triangulated Irregular Network.






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






13. Points - Polygons - Lines






14. 2 reasons why Topology matters: 1. Error detection. 2. ___________.






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






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






17. Provide information about a particular topic or theme.






18. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.






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






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






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






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






23. Global Positioning System.






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






25. To avoid corrupt data!






26. Preserve Direction






27. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.






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






29. 2 ______: 1. Files/records. 2. Database/collection of files.






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






31. Relative to another known feature






32. Most popular form of USGS Map

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33. 80 % of all information contain _________






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






35. A Complete frame






36. Arcs only ___ at Nodes






37. Assigning location information to text & discourse.






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






39. 2 common _______: 1. Vector. 2. Raster.






40. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






41. Sailors and pilots use these maps to navigate






42. Deliver location / topographic information.






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






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






45. Representative fraction






46. Smoothing & Shape abstraction.






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






48. Geographic Coordinate System.






49. Essentials of DBMS: Each record has a ________






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






Can you answer 50 questions in 15 minutes?



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