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. Preserve Direction






2. The nature of relationships & connectivity between them.






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






4. Are made with GIS






5. 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






6. An assignment of geographic coordinates to locations.






7. When parallels & meridians intersect at right angles.






8. Digital Elevation Model






9. Deliver location / topographic information.






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






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






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






13. 2 ______: 1. Files/records. 2. Database/collection of files.






14. Arcs only ___ at Nodes






15. 2 common _______: 1. Vector. 2. Raster.






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






17. Blue - Green - Red - NIR....






18. Preserve Shape






19. The ability to link files together.






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






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






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






23. A Complete frame






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






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






26. 3 levels of _______:1. Conceptual - definitions - attributes. 2. Logical Model - formalize definitions & measures. 3. Digital Model - define & describe features.






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






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






29. A reference system (geographic coordinates)






30. Accuracy - reliability - responsibility.






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






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






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






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






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






36. GIS is ________






37. 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.






38. 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.






39. Lines that connect points of equal value.






40. Symbol on a map used to show direction






41. Geographic Coordinate System.






42. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






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






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






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






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






47. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






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






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






50. Sailors and pilots use these maps to navigate