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. Provide information about a particular topic or theme.






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






3. Contour lines never _______






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






5. Google Maps or Microsoft Bing.






6. GIS is not a ______






7. A reference system (geographic coordinates)






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






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






10. Triangulated Irregular Network.






11. Can not be made from other colors






12. Essentials of DBMS: Each record has a ________






13. 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.






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






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






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






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






18. Deliver location / topographic information.






19. A process of mathematical conversion.






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






21. 2 reasons why Topology matters: 1. Error detection. 2. ___________.






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






23. Points - Polygons - Lines






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






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






26. 3 ______ attributes: 1. Values. 2. Relations. 3. Quality.






27. 2 ______: 1. Unique ID. 2. Type Code. 3 Spatial Components PLP 1. Point. 2. Line/arc. 3. Polygon/area.






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






29. Digital Elevation Model






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






31. The ability to link files together.






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






33. The nature of relationships & connectivity between them.






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






35. Smoothing & Shape abstraction.






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






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






38. 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






39. 2 common _______: 1. Vector. 2. Raster.






40. 9 Features & Entities: 1. Mountains. 2. Rivers. 3. Forests. 4. Clouds. 5. ________. 6. Cities. 7. Populations. 8. Streets. 9. Fire Hydrants.






41. Precision of a measurement with respect to time






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






43. Relative to another known feature






44. Sailors and pilots use these maps to navigate






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






46. Representative fraction






47. Regulary spaced sample of points representing a surface.






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






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






50. Preserve Direction







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