Midterm Exam Review – fGRG360G – Summer 2002Dr Sanders1. GIS stands for Geophysical Information Systems.a. trueb. false2. Arc/Info and ArcView is sold by ESRI of Redlands, California. ESRI stands for:a. ERDAS Science Research Instituteb. Environmental Systems Research Institutec. Environmental Spatial Remote-Sensing Instituted. ERDAS Spatial Remote-Sensing Institute3. Network analysis is a GIS analysis function. a. trueb. false4. Theme features are presented as: a. pointsb. linesc. areasd. all of the above5. In Arc/Info the terminology is slightly different. Fill in the blanks with the correctterma. points in Arc/Info are __points____.b. lines in Arc/Info are __arcs_____.c. areas in Arc/Info are _polygons__.6. Select the INCORRECT combinationa. raster more storageb. vector more accuratec. vector dynamic modelingd. raster slower7. GIS includes all EXCEPT one of the following:a. computer hardwareb. computer softwarec. spreadsheetsd. spatial datae. people8. Topology and topography have the same meaning.a. trueb. false9. TIN is a method for approximating ___terrain________.10. Which would more likely be used to model an apartment building that has been made into condos?a. pointb. regionc. dynamic segmentationd. polygon11. Dynamic segmentation is available with ArcView and shows polygons used to represent islands in a lake.a. trueb. false12. Both ArcView and Arc/Info have the ability to project spatial data.a. trueb. false13. Map projection is the process of transforming from the spatial relationship of mapfeatures on the Earth's surface to a flat map.a. Trueb. False14. Meridians are lines of _________ that measure in the ________ direction.a. latitude, E-Wb. longitude, E-Wc. latitude, N-Sd. longitude, N-S15. Parallels are lines of latitude measured N-S from _____ degrees at the Equator to _____ degrees at the South Pole.a. 90, -90b. 0, 90c. 0, 180d. 0, -9016. In a DMS based system, 30' stands fora. 30 degreesb. 30 minutesc. 30 secondsd. 30 miles17. Name two of the four properties that remain essentially constant in conformal, equivalent, equidistant or azimuthal projections. ______, _____ conformal=shape, equivalent=size, equidistant=scale, azimuthal=direction.18. False easting is applied to a. eliminate negative coordinatesb. eliminate errors in data originc. reduce the number of digits in the coordinates 19. NAD27 and NAD83 refer to aa. dateb. digitc. documentd. datum 20. Four coordinate systems are commonly used in the US. Which of the following isNOT a coordinate system.a. NADb. UTMc. UPSd. SPCe. PLSS 21. Zones are part of which two grid systems?a. SPC, PLSSb. UPS, SPCc. UTM, SPCd. PLSS, UTM 22. The Universal Transverse Mercator (UTM) system divides the Earth's surface into60 zones, each covering 6° of latitude.a. Trueb. False 23. Which grid system is not used in Texas?a. PLSSb. UTMc. SPC24. Which grid system would be used at the South Pole?a. PLSSb. UPSc. UTMd. SPC25. The vector data model uses points and their x, y-coordinates to construct spatial features.a. Trueb. False 26. The basic objects of the vector data model include:a. pointsb. linesc. areasd. all of the above27. A point has 0 dimension and the property of location.a. Trueb. False28. A line is 0 dimensional and has the property of length.a. Trueb. False 29. An area is two dimensional and has the properties of _____ and _____. area and boundary 30. The three topological relationships for Arc/Info are: _____ , _____, and _____. connectivity, area definition, and contiguity. 31. For Arc/Info, an arc begins with a from-node and ends with a to-node.a. Trueb. False 32. How does Arc/Info know the direction of an arc? from-node, to-node 33. For an Arc/Info point coverage if we looked at the attribute table it would contain:a. Arc#, Fnode, Tnodeb. id, Fnode, Tnodec. point number, x-y coordinates.d. id, x-y coordinates 34. An ArcView shapefile is (circle one) topological | non-topological 35. Name one of the 3 higher-level objects in Arc/Info. _________ TIN, regions, or dynamic segmentation 36. A high rise condominium might be depicted in an Arc/Info coverage as a:a. triangulated irregular network (TIN)b. regionc. dynamic segmentation37. The Federal Geographic Data Committee is a good place to start looking for public data.a. Trueb. False 38. The USGS is a major producer of GIS data in the United States. USGS stands for: _____United States Geological Survey______________. 39. Digital Line Graphs (DLGs) include contour lines, spot elevations, hydrography, boundaries and transportation.a. Trueb. False 40. Which of the following is NOT a vector data provider:a. Bureau of Census (TIGER files)b. United States Geological Survey (Quad maps)c. Texas Natural Resources Information System (Texas DOQQs)d. UT School of Architecture (Austin and Central Texas regional data) 41. Where would one look for information about how the Texas DOQQs were created, the data organization, and data quality information? _____Metadata____. 42. Changing an AutoCAD .dxf file into a shapefile would be an example of:a. neutral formatb. direct translationc. remotely sensed datad. GPS format 43. Using SDTS data would be an example of:a. neutral formatb. direct translationc. remotely sensed datad. GPS format 44. Digital orthophotos (DOQs) and satellite images are an example of:a. neutral formatb. direct translationc. remotely sensed datad. GPS format 45. With differential correction, code-based GPS readings can achieve an accuracy of 3-5 meters.a. Trueb. False 46. Overshoot, undershoot, snap tolerances are aspects of ___digitizing___. 47. Geometric transformation between coordinate systems include all BUT which of the following:a. Equiareab. Similarityc. Projectived. Additive 48. An RMS (root mean square) error of 0.5 is acceptable.a. Trueb. False49. A check plot is used to check for dangling nodes.a. Trueb. False 50. The symbol for a dangling node isa. diamondb. squarec. plus signd. red color 51. The symbol for a pseudo node isa. diamondb. squarec. plus signd. red color 52. The symbol for a label point isa. diamondb. squarec. plus signd. red color 53. The arc-node topology for ARC/INFO says that intersections of arcs require a node at the intersection point.a. Trueb. False 54. It is permissible to have two label points within a polygona. Trueb. False 55. In ARC/INFO, the commands BUILD or CLEAN will create ___topology____ 56. Tolerances are used when editing topologically built coverages. Select the correctset.a. local: fuzzy tolerance and