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. Description by name: ex London






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






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






4. Are made with GIS






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






6. Global Positioning System.






7. Understand spatial relations between landmarks>shortcuts.






8. GIS is not a ______






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






10. Triangulated Irregular Network.






11. Most popular form of USGS Map

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12. The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.






13. Contour lines never _______






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






15. 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






16. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.






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






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






19. Lines that connect points of equal value.






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






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






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






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






24. Connectivity: ___________. 3 elements 1. Nodes & vertices define the shape of the arc. 2. Arcs have a from-node (or starting node) & a to-node (or ending-node). 3. Arcs only join at nodes.






25. The ability to link files together.






26. 80 % of all information contain _________






27. A Complete frame






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






29. 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.






30. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.






31. Arcs only ___ at Nodes






32. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km






33. The reverse of each other.






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






35. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






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






37. Deliver location / topographic information.






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






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






40. Explanatory list of symbols on a map






41. Assigning location information to text & discourse.






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






43. 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.






44. Points - Polygons - Lines






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






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






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






48. Smoothing & Shape abstraction.






49. Digital Elevation Model






50. Precision of a measurement with respect to time







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