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. Map in which some thematic mapping variable is substituted for area (like a graph in a map)






2. Relative to another known feature






3. 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.






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






5. Explanatory list of symbols on a map






6. Provide information about a particular topic or theme.






7. 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






8. Assigning location information to text & discourse.






9. The reverse of each other.






10. Arcs only ___ at Nodes






11. GIS is not a ______






12. Deliver location / topographic information.






13. Global Positioning System.






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






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






16. A Complete frame






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






18. Blue - Green - Red - NIR....






19. A process of mathematical conversion.






20. Smoothing & Shape abstraction.






21. Understand spatial relations between landmarks>shortcuts.






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






23. Converts what entities into objects in the computer 1. Geometry (points - lines - polygons). 2. Measurement of attributes. 3. Accuracy &/or error.






24. Description by name: ex London






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






26. 7 Spatial Res: 30m Temporal Res: 16 day Swath Width: 183km






27. Area of the Earth that is displayed in each image






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






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






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






31. Symbol on a map used to show direction






32. Regulary spaced sample of points representing a surface.






33. When parallels & meridians intersect at right angles.






34. GIS is ________






35. An assignment of geographic coordinates to locations.






36. The ability to link files together.






37. 3 different types of ________ - content & services ICS I - Infrastructure (Hardware & Sensors). C - Content (sensors - APIs - UGC & VGI). S - Standards (or lack thereof): access - authority.






38. 80 % of all information contain _________






39. Contour lines never _______






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






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






42. Lines that connect points of equal value.






43. Maps are restricted to a __________.






44. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






45. Precision of a measurement with respect to time






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






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






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






49. Can not be made from other colors






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