Exam 1

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dtarasov
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283789
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Exam 1
Updated:
2014-09-26 14:32:20
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Exam1 GEOG5500
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GEOG5500
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Flashcards for Exam 1 in Fundamentals of GIScience.
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  1. Which topological relationship stipulates that arcs connect to each other at nodes?
    A. Contiguity
    B. Area definition
    C. Encapsulation
    D. Connectivity
    D. Connectivity
    (this multiple choice question has been scrambled)
  2. True or false: the georelational data model stores geometries and attributes separately in graphic files and a relational database, respectively.
    A. True
    B. False
    A. True
  3. What is the term for the study of those properties of geometric objects that remain invariant under bending or stretching?
    A. Adjacency
    B. Connectivity
    C. Geomorphology
    D. Topology
    D. Topology
    (this multiple choice question has been scrambled)
  4. In the TIGER database, points are called _-cells, lines _-cells, and areas _-cells.
    A. p, l, a
    B. 0, 1, 2
    C. 1, 2, 3
    D. a, b, c
    B. 0, 1, 2
    (this multiple choice question has been scrambled)
  5. What are the 3 basic topological relationships supported by a coverage?
    A. Adjacency, incidence, connectivity
    B. Connectivity, area definition, contiguity
    C. Connectivity, adjacency, contiguity
    D. Connectivity, contiguity, incidence
    B. Connectivity, area definition, contiguity
    (this multiple choice question has been scrambled)
  6. Which topological relationship stipulates that arcs have directions and left and right polygons?
    A. Area definition
    B. Contiguity
    C. Connectivity
    D. Encapsulation
    B. Contiguity
    (this multiple choice question has been scrambled)
  7. The folder that stores attribute data files for coverages and is shared by all the coverages in a workspace is called ____.
    A. DXF
    B. INFO
    C. GEO
    D. MDBF
    B. INFO
    (this multiple choice question has been scrambled)
  8. True or false: a shapefile is a topological data format.
    A. True
    B. False
    B. False
  9. The geometry of a shapefile is stored in 2 basic files: the ____ file stores the feature geometry, while the ____ file maintains the spatial index of the feature geometry.
    A. .shp, .shx
    B. .dbf, .mxf
    C. .shp, .dxf
    D. .dbf, .shx
    A. .shp, .shx
    (this multiple choice question has been scrambled)
  10. What are the 2 main advantages of non-topological data?
    • 1. They display more quickly than topological data on a computer monitor.
    • 2. They are non-proprietary and interoperable (i.e., can be used across different software packages).
  11. What are the 2 main differences between the object-based and the georelational data models?
    • 1. The object-based data model stores geometries and attributes in a single system.
    • 2. The object-based data model allows an object (feature) to have properties and methods.
  12. A _____ is a set of objects with similar characteristics. 
    A. Coverage
    B. Feature dataset
    C. Geodatabase
    D. Class
    D. Class
    (this multiple choice question has been scrambled)
  13. What is the term for the whole-part relationship between classes?
    A. Composition
    B. Association
    C. Type inheritance
    D. Aggregation
    E. Instantiation
    D. Aggregation
    (this multiple choice question has been scrambled)
  14. __________ means that an object of a class can be created from an object of another class.
    A. Association
    B. Type inheritance
    C. Instantiation
    D. Composition
    E. Aggregation
    C. Instantiation
    (this multiple choice question has been scrambled)
  15. ____________ defines how many instances of one class can be associated with another class.
    A. Instantiation
    B. Type inheritance
    C. Association
    D. Composition
    E. Aggregation
    C. Association
    (this multiple choice question has been scrambled)
  16. _____________ describes a type of association in which the parts cannot exist independently from the whole.
    A. Association
    B. Type inheritance
    C. Composition
    D. Instantiation
    E. Aggregation
    C. Composition
    (this multiple choice question has been scrambled)
  17. _____________ means that, while a subclass is a member of a superclass and inherits its properties and methods, it can have additional properties and methods of its own.
    A. Aggregation
    B. Instantiation
    C. Association
    D. Composition
    E. Type inheritance
    E. Type inheritance
    (this multiple choice question has been scrambled)
  18. Association, aggregation, composition, instantiation, and type inheritance refer to relationships between
    A. topologies
    B. classes
    C. objects
    D. features
    B. classes
    (this multiple choice question has been scrambled)
  19. True or false: the geodatabase is an example of the object-based model.
    A. True
    B. False
    A. True
  20. What is the difference between a feature class and a feature dataset?
    A feature class stores spatial features of the same geometry type, while a feature dataset stores feature classes with the same coordinate system and area extent.
  21. True or false: the geodatabase does not offer on-the-fly topology.
    A. True
    B. False
    B. False
  22. Of what 3 things is the data structure of a TIN composed?
    • 1. Triangle numbers
    • 2. Numbers of each adjacent triangle
    • 3. Data files storing lists of points and edges as well as the x, y, and z values of each elevation point.
  23. Events are locations along ________.
    A. TIN edges
    B. Routes
    C. Dangling nodes
    D. Arcs that form polygons
    B. Routes
    (this multiple choice question has been scrambled)
  24. True or false: routes are stored as subclasses in a line coverage.
    A. True
    B. False
    A. True
  25. A route subclass is made up of _____.
    A. Edges
    B. Nodes
    C. Events
    D. Sections
    D. Sections
    (this multiple choice question has been scrambled)
  26. Cell-by-cell encoding, run-length encoding, and quad tree all refer to:
    A. Raster data structures
    B. Methods of data acquisition
    C. Metadata standards
    D. Methods of geometric transformation
    A. Raster data structures
    (this multiple choice question has been scrambled)
  27. True or false: cell-by-cell encoding is the simplest raster data structure.
    A. True
    B. False
    A. True
  28. Which raster data structure is best for storing rasters with many repetitive cell values?
    A. Run-length encoding
    B. All three are about the same
    C. Quad tree
    D. Cell-by-cell encoding
    A. Run-length encoding
    (this multiple choice question has been scrambled)
  29. True or false: RLE, PackBits, and LZW are all lossy compression methods.
    A. True
    B. False
    B. False
  30. True or false: the traditional JPEG format uses a lossless compression method.
    A. True
    B. False
    B. False
  31. ____ is a neutral format approved by the Federal Information Processing Standards (FIPS) Program.
    A. NLCD
    B. DLG
    C. VPF
    D. SDTS
    D. SDTS
    (this multiple choice question has been scrambled)
  32. ________________, a study of geometry and algebra, provides the methods for creating geospatial data of points, lines, and polygons from survey data.
    A. Topography
    B. Topology
    C. Telemetry
    D. Coordinate geometry
    D. Coordinate geometry
    (this multiple choice question has been scrambled)
  33. True or false: USGS quadrangle maps are secondary data sources.
    A. True
    B. False
    A. True
  34. True or false: Paper maps are good source maps for digitizing.
    A. True
    B. False
    B. False
  35. True or false: Mylar maps are a lot less stable than paper maps for digitizing.
    A. True
    B. False
    B. False
  36. ______________ is the process of tying a scanned map, a satellite image, or an aerial photograph to a projected coordinate system.
    A. Direct translation
    B. Geometric transformation
    C. Kriging
    D. Dynamic segmentation
    B. Geometric transformation
    (this multiple choice question has been scrambled)
  37. Which transformation method allows angular distortion of a rectangle but preserves the parallelism of lines?
    A. Projective
    B. Affine
    C. Similarity
    D. Equiarea
    B. Affine
    (this multiple choice question has been scrambled)
  38. A rule of thumb is to use the __________ transformation for map-to-map or image-to-map transformations and the _________________ transformation for aerial photographs with relief displacement.
    A. Projective; similarity
    B. Equiarea; similarity
    C. Equiarea; projective
    D. Affine; projective
    D. Affine; projective
    (this multiple choice question has been scrambled)
  39. A USGS 1:24,000 scale quadrangle map has __ control points.
    A. 16
    B. 32
    C. 12
    D. 24
    A. 16
    (this multiple choice question has been scrambled)
  40. Nearest neighbor, bilinear interpolation, and cubic convolution are the 3 most common __________ methods.
    A. Compression
    B. Instantiation
    C. Resampling
    D. Geometric transformation
    C. Resampling
    (this multiple choice question has been scrambled)
  41. Which resampling method is the best for preserving the original pixel values?
    A. Cubic convolution
    B. Nearest neighbor
    C. Any of the three
    D. Bilinear interpolation
    B. Nearest neighbor
    (this multiple choice question has been scrambled)
  42. Which resampling method uses the average of the 4 nearest pixel values from 3 linear interpolations?
    A. Nearest neighbor
    B. All three
    C. Cubic convolution
    D. Bilinear interpolation
    D. Bilinear interpolation
    (this multiple choice question has been scrambled)
  43. _____________ means filling each pixel of a geometrically transformed image with a value or a derived value from the original image.
    A. Georeferencing
    B. Interpolation
    C. Orthorectification
    D. Resampling
    D. Resampling
    (this multiple choice question has been scrambled)
  44. _________________ is a temporary set of topological relationships between coincident pairs of simple features between layers.
    A. Map topology
    B. Edgematching
    C. Check plot
    D. Fuzzy tolerance
    A. Map topology
    (this multiple choice question has been scrambled)
  45. ________ errors are errors that include missing lines or missing polygons.
    A. Location
    B. Editing
    C. Topological
    D. Data accuracy
    A. Location
    (this multiple choice question has been scrambled)
  46. _________ errors are errors that include dangling arcs and missing or multiple labels.
    A. Data accuracy
    B. Topological
    C. Location
    D. Editing
    B. Topological
    (this multiple choice question has been scrambled)
  47. In a table, a ________ is also called a record, while a ________ is also called a field.
    A. entry; field
    B. entry; item
    C. row; column
    D. item; row
    C. row; column
    (this multiple choice question has been scrambled)
  48. What kind of attribute data are land-use types or soil types?
    A. Ordinal
    B. Nominal
    C. Ratio
    D. Interval
    B. Nominal
    (this multiple choice question has been scrambled)
  49. What kind of attribute data have known intervals between values (temperature, for example)?
    A. Interval
    B. Ratio
    C. Ordinal
    D. Nominal
    A. Interval
    (this multiple choice question has been scrambled)
  50. What kind of attribute data have a meaningful zero value?
    A. Nominal
    B. Interval
    C. Ratio
    D. Ordinal
    C. Ratio
    (this multiple choice question has been scrambled)
  51. What kind of attribute data have a ranking relationship (i.e., ranging from severe to moderate to light?)
    A. Ratio
    B. Ordinal
    C. Interval
    D. Nominal
    B. Ordinal
    (this multiple choice question has been scrambled)
  52. __________ and __________ data are categorical.
    A. Interval; ordinal
    B. Ratio; ordinal
    C. Interval; ratio
    D. Nominal; ordinal
    D. Nominal; ordinal
    (this multiple choice question has been scrambled)
  53. _________ and ___________ data are numeric.
    A. Interval; ordinal
    B. Nominal; ordinal
    C. Interval; ratio
    D. Ratio; ordinal
    C. Interval; ratio
    (this multiple choice question has been scrambled)
  54. True or false: the Soil Survey Geographic (SSURGO) database is an example of a relational database.
    A. True
    B. False
    A. True
  55. Our textbook distinguishes between between the following 4 types of databases: ____ ____, network,
    hierarchical, and __________.
    A. Primary keys; topological
    B. Flat files; object
    C. Primary keys; relational
    D. Flat files; relational
    D. Flat files; relational
    (this multiple choice question has been scrambled)
  56. With field definitions, ________ refers to the number of spaces to be reserved for a field.
    A. Precision
    B. Width
    C. Attribute length
    D. Accuracy
    B. Width
    (this multiple choice question has been scrambled)
  57. Adding a field is required for the _______ or ________ of attribute data.
    A. Computation; stratification
    B. Classification; computation
    C. Classification; categorization
    D. Validation; computation
    B. Classification; computation
    (this multiple choice question has been scrambled)
  58. According to our textbook, what are the 2 steps of attribute data verification?
    1. Checking that the feature IDs are unique and contain no nulls. 2. Checking that the attribute data contain no inaccuracies.

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