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. The 4 types of ___________:SADD. 1. S - Shape: Conformal. 2. A - Area: Variant. 3. D - Direction: Preserved. 4. D - Distance: Variant.






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






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






4. Lines that connect points of equal value.






5. Most popular form of USGS Map


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






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






8. Symbol on a map used to show direction






9. 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.






10. The ability to link files together.






11. Arcs only ___ at Nodes






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






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






14. Precision of a measurement with respect to time






15. Explanatory list of symbols on a map






16. GIS is not a ______






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






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






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






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






21. Understand spatial relations between landmarks>shortcuts.






22. 2 reasons why Topology matters: 1. Error detection. 2. ___________.






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






24. The reverse of each other.






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






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






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






28. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






29. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






30. An assignment of geographic coordinates to locations.






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






32. Deliver location / topographic information.






33. A process of mathematical conversion.






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






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






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






37. GIS is ________






38. When parallels & meridians intersect at right angles.






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






40. Accuracy - reliability - responsibility.






41. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.






42. Blue - Green - Red - NIR....






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






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






45. Are made with GIS






46. 80 % of all information contain _________






47. Maps that show the absolute location of places and geographic features determined by a frame of reference - typically latitude and longitude






48. A Complete frame






49. Smoothing & Shape abstraction.






50. 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