Chapter 1

Question 1

Attributes

Answer 1

Information about map features stores in columns of a table.

Question 2

Cell

Answer 2

A square data element in a rater corresponding to one value representing conditions on the ground.

Question 3

Client

Answer 3

A device with software that allows it to communicate with an internet server providing data or processing services.

Question 4

Continuous Data

Answer 4

Data that take on a variety of values and that change rapidly across a data set and be taken anywhere on earth, such as elevation or temperature.

Question 5

Database

Answer 5

A data construct deigned to store information as tables.

Question 6

Discrete Data

Answer 6

Refers to data that represent distinct spatial objects with real world boundaries such as houses, roads, or cities.

Question 7

Feature

Answer 7

A spatial object composed of one or more x-y coordinate pairs and having one or more attributes in a single record of an associated table.

Question 8

Feature Class

Answer 8

A set of similar objects with the same attributes stored together in a spatial data file.

Question 9

Generalization

Answer 9

Simplfying a feature in order to store it or display it at smaller scales than it’s source scale

Question 10

Geometrics Accuracy

Answer 10

The accuracy with which the shape and position of features are represented.

Question 11

Geoprocessing

Answer 11

Analysis of spatial data layers such as dissolving, intersecting, and merging.

Question 12

Georeferenced

Answer 12

A spatial data layer that is tied to a specific location on the weather’s surface for display with other data

Question 13

Home Geodatabase

Answer 13

The geodatabase stored within a project, which serves as the default location for geoprocessing output.

Question 14

Layer

Answer 14

A reference to a feature class and it’s associated properties.

Question 15

Line

Answer 15

A spatial feature composed of a string of x-y coordinate vertices and used to represent linear features such as streets.

Question 16

Locator

Answer 16

A reference data set and rules used to find locations based on addresses, city and state combinations, or other data not already in x-y coordinates.

Question 17

Logical Consistency

Answer 17

How well the spatial relationships between features in a data set represent the real world relations; an aspect of topology.

Question 18

Metadata

Answer 18

Information stored about data to document their source, history, management, uses, and more.

Question 19

Parameter

Answer 19

(1) A specific value associated with map projections that define how the map appears
(2) A variable that serves as an input to a model.

Question 20

Pixel

Answer 20

A square data element in a rater corresponding to one value representing conditions on the ground.

Question 21

Polygon

Answer 21

A closed two dimensional area feature defined by three or more x-y coordinate pairs.

Question 22

Raster Model

Answer 22

Data format used to store Continuous Data; a format used to store data having a regular scale of measurement and a natural zero point, such as precipitation or population.

Question 23

Resolution

Answer 23

(1) The ground area represented by one cell value in an Raster
(2) The default storage precision of a Vector data set

Question 24

Scale Range

Answer 24

The range of scales for which a data layer will be displayed, set by the user to avoid clutter, or the displayer of layers at inappropriate scales.

Question 25

Scene

Answer 25

A three dimensional geographic view achieved by draping map data onto an elevation surface.

Question 26

Source Scale

Answer 26

The original analog scale or resolution at which a digital data set is converted to digital form.

Question 27

Thematic Accuracy

Answer 27

The degree to which attribute values represent the true properties in the real world.

Question 28

Vector

Answer 28

A spatial data storage method in which features are represented by one or more pairs of x-y coordinate values forming points, lines, or polygons

Question 29

Point

Answer 29

A one dimensional feature defined by a single x-y coordinate pair.