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. Connect & travel between landmarks by moving thru space.






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






3. Arcs only ___ at Nodes






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






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. GIS is ________






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






8. 36 Spatial Res: 250m Temporal Res: 1 day Swath Width: 2 -330km






9. Preserve Shape






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






11. The nature of relationships & connectivity between them.






12. Lines that connect points of equal value.






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






14. Assigning location information to text & discourse.






15. 2 reasons why Topology matters: 1. Error detection. 2. ___________.






16. The ability to link files together.






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






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






19. Preserve Direction






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






21. Points - Polygons - Lines






22. A 3-D frame of reference (model of the earth) used to determine surface locations.






23. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






24. A process of mathematical conversion.






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






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






27. Are made with GIS






28. The smallest pixel size visible in an image - the limit of magnification






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






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






31. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.






32. Understand spatial relations between landmarks>shortcuts.






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






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






35. Triangulated Irregular Network.






36. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km






37. Relative to another known feature






38. When parallels & meridians intersect at right angles.






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






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






41. Symbol on a map used to show direction






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






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






44. Deliver location / topographic information.






45. Explanatory list of symbols on a map






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






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






48. Description by name: ex London






49. Representative fraction






50. Regulary spaced sample of points representing a surface.







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