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






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






3. Essentials of DBMS: Each record has a ________






4. Triangulated Irregular Network.






5. Most popular form of USGS Map

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






7. Sailors and pilots use these maps to navigate






8. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






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






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






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






12. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.






13. Geographic Coordinate System.






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






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






16. Points - Polygons - Lines






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






18. 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






19. 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.






20. Preserve Shape






21. Are made with GIS






22. Description by name: ex London






23. 2 ______: 1. Files/records. 2. Database/collection of files.






24. Smoothing & Shape abstraction.






25. Can not be made from other colors






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






27. Global Positioning System.






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






29. GIS is ________






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






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






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






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






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






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






36. Assigning location information to text & discourse.






37. 2 reasons why Topology matters: 1. Error detection. 2. ___________.






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






39. When parallels & meridians intersect at right angles.






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






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






42. Deliver location / topographic information.






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






44. A reference system (geographic coordinates)






45. A Complete frame






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






47. Precision of a measurement with respect to time






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






49. Lines that connect points of equal value.






50. Explanatory list of symbols on a map