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. An assignment of geographic coordinates to locations.






2. Explanatory list of symbols on a map






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






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






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






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






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






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






9. Are made with GIS






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






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






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






13. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






14. Can not be made from other colors






15. Essentials of DBMS: Each record has a ________






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






17. Contour lines never _______






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






19. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






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






21. Most popular form of USGS Map

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






23. GIS is ________






24. Smoothing & Shape abstraction.






25. Symbol on a map used to show direction






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






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






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






29. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.






30. Lines that connect points of equal value.






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






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






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






34. 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.






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






36. Real Things (trees - forests - cities etc).






37. GIS is not a ______






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






39. Digital Elevation Model






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






41. Description by name: ex London






42. Geographic Coordinate System.






43. Shift in delivery (eg - require user interaction).






44. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km






45. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.






46. Accuracy - reliability - responsibility.






47. 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.






48. Global Positioning System.






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






50. The 5 components of a TIN: NETHT - 1. Nodes 2. Edges 3. Triangles 4. ___ 5. Topology.







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