Chap 1

Question 1

Discrete

Answer 1

Described data that represent distinct spatial objects such as wells, roads, or counties

Question 2

Continuous

Answer 2

data that take on a variety of values and that change rapidly across a data set, such as elevation.

Question 3

Vector model

Answer 3

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 4

Raster model

Answer 4

a data set composed of an array of numeric values, each of which represents a condition in a square element of ground

Question 5

Georeferenced

Answer 5

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

Question 6

geospatial

Answer 6

an adjective describing software, data, models, or other constructs that constitute, use, or manipulate geographic information

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

point

Answer 8

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

Question 9

line

Answer 9

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

Question 10

polygon

Answer 10

a closed, two-dimensional area feature defined by three or more x-y coordinate pairs

Question 11

polygon

Answer 11

a closed, two-dimensional area feature defined by three or more x-y coordinate pairs

Question 12

table

Answer 12

data stored as an array of rows and columns, with each row representing an object or a feature and each column representing an attribute or a property of that object

Question 13

attributes

Answer 13

information about map features stored in columns of a table

Question 14

feature class

Answer 14

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

Question 15

cells or pixels

Answer 15

a square data element in a raster corresponding to one value representing conditions on the ground

Question 16

layer

Answer 16

a reference to a feature class and its associated properties

Question 17

map scale

Answer 17

the ratio of feature size on a map to its size on the ground

Question 18

what does ‘large-scale map’ refer to?

Answer 18

large-scale maps means the ratio is large, but is shows a relatively small area.

Question 19

what does ‘small-scale map’ refer to?

Answer 19

small-scale map means to ration is smaller, but it shows a larger area.

Question 20

source scale

Answer 20

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

Question 21

scale range

Answer 21

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

Question 22

scale range

Answer 22

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

Question 23

client

Answer 23

a device with software that allows it to communicate with an Internet server providing data or processing services

Question 24

cloud

Answer 24

a computing system composed of warehouses of computers and hard drives managed by a company that rents processing power and disk space to clients

Question 25

ArcGIS Online

Answer 25

a cloud-based platform for creating and sharing GIS maps, data, and applications

Question 26

generalization

Answer 26

simplifying a feature in order to store it or display it at smaller scales than its source scale

Question 27

geometric accuracy

Answer 27

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

Question 28

thematic accuracy

Answer 28

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

Question 29

resolution (2)

Answer 29

1) the ground are represented by on cell value in a raster 2) the default storage precision of a vector data set

Question 30

Precision

Answer 30

the number of digits or significant figures allotted to store a numeric value

Question 31

logical consistency

Answer 31

how well the spatial relationships between features in a data set represent the real-world relationships; an aspect of topology

Question 32

metadata

Answer 32

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

Question 33

what is the general format for citing data?

Answer 33

Data set name (year published) [source type]. Producer name, producer contact information.

Question 34

project

Answer 34

(noun) a collection of data, tools, models, tables, and other items for a geographic area; the basic working file structure

Question 35

view

Answer 35

in the Pro GUI, a window in the central display area that contains a project item being worked with, such as a map or a table

Question 36

contents pane

Answer 36

the part of the Pro GUI that lists the objects being worked with, such as layers in a map or design elements in a layout

Question 37

Map

Answer 37

a collection of data layers, labels, and other elements assembled to portray a geographic area

Question 38

scene

Answer 38

a 3D geographic view achieved by draping map data onto an elevation surface

Question 39

toolbox

Answer 39

a collection of tools in ArcGIS Pro, organized by function

Question 40

database

Answer 40

a data construct designed to store information as tables

Question 41

home geodatabase

Answer 41

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

Question 42

layout

Answer 42

the specification for a map page, including the map frames, legend title, scale bare, and so on; stored in a project

Question 43

style

Answer 43

a collection of map symbols and colors that are stored together and used together

Question 44

project file

Answer 44

the data storage file that contains and tracks all the elements of information stored within a project; has an .aprx file extension

Question 45

project folder

Answer 45

a filesystem folder that contains the project file, the home geodatabase, and the other items associated with a project

Question 46

feature layer

Answer 46

a GIS data service that delivers point, line, or polygon features over an Internet connection

Question 47

geoprocessing

Answer 47

analysis of spatial data layers, such as dissolving, intersecting, and merging

Question 48

Choose ALL of the following rasters which would be considered to be discrete data rather than continuous data a) slope b) rainfall c) soil type d) vegetation type e) temperature

Answer 48

c) soil type d) vegetation type

Question 49

Imagine you are looking at a geodatabase which contains 50 states, 500 cities, and 100 rivers a) How many feature classes are there? b) How many point features are there c) How many features are there?

Answer 49

a) 3 b) 500 c) 650

Question 50

1) precision 2) resolution 3) geometric accuracy 4) thematic accuracy a) the number of significant digits used to store a measurement b) how frequently or closely the data points have been sampled, whether in space or in time c) the degree to which objects are located in there actual position on the earth's surface d) the degree to which information about objects is correct

Answer 50

1-a 2-b 3-c 4-d

Question 51

1) list by editing 2) list by chart 3) list by source 4) list by snapping 5) list by visibility 6) list by selection 7) list by labeling 8) list by drawing order a) layers are listed in draw order from bottom to top b) layers are listed showing the number of features that have matched a query c) layers are listed according whether they appear in the map of not d) layers are listed according to the folder or geodatabases in which they are stored e) the ability to modify a layer's features can be turned on/off f) Layer properties controlling when and how the cursor jumps to existing features g) layer properties found here control text placed on the map h) graphs and histograms are created and managed on this panel

Answer 51

1-e 2-h 3-d 4-f 5-c 6-b 7-g 8-a

Question 52

Information about a data set, such as who created it and why, is called ___________. a- attribute data b- spatial data c- metadata d- feature data e- aspatial data

Answer 52

c- metadata

Question 53

What is the predominate purpose of formally citing a data source? a- to allow someone to locate and potentially use the same data b- to give credit to the people or agency who developed the data c- to ensure that the data set is properly interpreted in the map d- to avoid losing points on an assignment

Answer 53

a- to allow someone to locate and potentially use the same data

Question 54

data quality is defined as: a- whether or not a data set is completely correct b- the resolution at which the data are stored c- the fitness of data for a given purpose d- the scale at which the data are stored

Answer 54

c- the fitness of data for a given purpose

Question 55

in a tool, a parameter box marked with a red x __________________. a- indicated an error in the parameter that must be fixed before the tool is run b- indicates that the parameter must be filled in before the tool will run c- indicates that the tool is ready to run d- indicates an optional parameter that may be left blank

Answer 55

a- indicates an error in the parameter that must be fixed before the tool is run

Question 56

definition of the term 'pixel' a- the beginning and endpoint of a line feature b- information about map features stored in columns of a table c- a square data element in a raster holding one value for the map d- stored x-y location; a group of them defines the shape of a line or polygon

Answer 56

c- a square data element in a raster holding on value for the map

Question 57

definition of the term 'scene' a- map data displaying in 3D using surface elevations b- a map used to display natural features such as forests or mountains c- a formal map for printing that includes titles, scale bars, etc. d- a specific layout of windows and panes specified for the Pro GUI

Answer 57

a- map data displaying in 3D using surface elevations

Question 58

definition of the term "discrete data" a- map objects that occupy distinct locations or have a limited set of values b- a square data element in a raster holding one value for the map c- numeric measurements, such as elevation, that exist at every location of a map d- stored x-y location; a group of them defines the shape of a line or polygon

Answer 58

a- map objects that occupy distinct locations or have a limited set of values

Question 59

definition of the term "source scale" a- the scale at which a data set was originally converted to digital form b-the scale at which the map is currently displayed c- the scale at which a layer appears or disappears d- the scale of a layer when its entire extent is visible in the map

Answer 59

a- the scale at which a data set was originally converted to digital form

Question 60

definition of the term "attributes" a- information about map features stored in columns of a table b- data sets composed of an array of numeric values as cells or pixels c- a list of the folders that must be traversed to locate a particular file d- information stored about data to document it

Answer 60

a- information about map features stored in columns of a table

Question 61

definition of the term "feature" a- a spatial object composed of one or more x-y coordinate pairs and a record in a table b- an old spatial data format created for, and used by, Arc/INFO c- a square data element in a raster holding one value for the map d- stored x-y location; a group of them defines the shape of a line or polygon

Answer 61

a- a spatial object composed of one or more x-y coordinate pairs and a record in a table

Question 62

definition of the term "vector data" a- a file that points to spatial data and stores how to display it b- a data set composed of an array of numeric values as cells or pixels c- numeric measurements, such as elevation, that exist at every location of a map d- a spatial data storage method that uses points, lines, or polygons

Answer 62

d- a spatial data storage method that uses points, lines, or polygons

Question 63

The State of South Dakota would look largest if shown in a map at which of the following scales? a- 1:1 million b- 1:5 million c- 1:20 million

Answer 63

a- 1:1 million

Question 64

Which one of the following statements is NOT true? a- A 1:1 million scale map of faults in all of California should not be used to determine which parcels in the city are crossed by the fault. b- The accuracy of a GIS analysis is determined by the least accurate data set included in the analysis. c- Although it is possible to display a 1:1000 and a 1:1 million scale map together in a GIS, it is often not advisable to do so. d- Users should always try to use the highest resolution data available regardless of the scale of the project being done.

Answer 64

a- A 1:1 million scale map of faults in all of California should not be used to determine which parcels in the city are crossed by the fault.

Question 65

A raster portraying a _________ blank is an example of continuous data. a- road map b- political party map c- land use map d- precipitation map e- geology map

Answer 65

d- precipitation map

Question 66

Data that has been tied to a specific location on the earth's surface is said to be _____________. a- attributed b- discrete c- georeferenced d- featured e- continuous

Answer 66

c- georeferenced

Question 67

A closed figure composed of x-y coordinates is called a _____________. a- polygon b- feature class c- line or polygon d- point

Answer 67

a- polygon

Question 68

A data construct that contains information about spatial features, such as the name or population of a state feature, is known as a ______________. a- table b- cell c- feature class d- polygon e- raster

Answer 68

a- table

Question 69

A figure composed of ordered x-y coordinates with two endpoints is called a ______________. a- polygon b- feature class c- line or polyline d- point

Answer 69

c- line or polyline

Question 70

The original scale from which a data set was developed is known as the ____________. a- map scale b- reference scale c- display scale d- source scale e- fish scale

Answer 70

d- source scale

Question 71

Programs and devices that access data and services over Internet connections are called _____________. a- clients b- geographic information systems c- servers d- clouds e- webcrawlers

Answer 71

a- clients