Applications of GIS Exam Questions Answered Correctly Latest Version (2024-2025) Already Passed
.shp file* - Answers - a vector data storage format (shapefile) for storing the location, shape, and
attributes of geographic features.
- stored in a set of related files and contains one feature class.
active data frame* - Answers The data frame currently being worked on - for example, the data frame to
which layers are being added. The active data frame is highlighted on the map, and its name is shown in
bold text in the table of contents.
active layer - Answers The layer that is currently active.
arc* - Answers 1. On a map, a shape defined by a connected series of unique x,y coordinate pairs. An arc
may be straight or curved.
2. a coverage feature class that represents lines and polygon boundaries. One line feature can contain
many arcs. Arcs are topologically linked to nodes and to polygons. Their attributes are stored in an arc
attribute table (AAT). Nodes indicate the endpoints and intersections of arcs; they do not exist as
independent features. Together, the from-node and the to-node define the direction of the arc
ArcGIS* - Answers A suite consisting of a group of geographic information system (GIS) software
products produced by ESRI. It is a system for working with maps and geographic information. It is used
for: creating and using maps; compiling geogrpahic data; analyzing mapped information; sharing and
discovering geographic information; ;using maps and geogrpahic information in a range of applications;
and managing geographic information in a database.
ArcGIS documents - Answers it is the map blah blah
area feature - Answers One of the three types of features: point, line, and area. The area feature is a 2D
plane produced by a polygon of a certain shape.
arithmetic function - Answers A type of methematical function that performs a calculation on the values
of cells in an input raster. There are six arithmetic functions in ArcGIS Spatial Analyst: Abs, Int, Float,
Round up (Ceil), Round down (Floor) and Negate
Operators - Answers Arithmetic - *, /, -, +
Boolean - True or False
Relational - ==, >, <, <>, >=, <=
ASCII files* - Answers "American Standard Code for Information Interchange". The de facto standard for
the format of text files in computers and on the internet that assigns an 8-bit binary number to each
alphanumeric or special character. ASCII defines 256 possible characters.
,attributes* - Answers Nonspatial information about a geogrpahic feature in a GIS, usually stored in a
table and linked to the feature by a unique identifier. For example, attributes of a river might include its
name, length, and sediment load at a gauging station.
attribute query* - Answers A request for records of features in a table based on their attribute values
attribute table - Answers A database or tabular file containing information about a set of geographic
features, usually arranged so that each row represents a feature and each column represents one
feature attribute. In raster datasets, each row of an attribute table corresponds to a certain zone of cells
having the same value. In a GIS, attribute tables are often joined or related to spatial data layers, and the
attribute values they contain can be used to find, query, and symbolize features or raster cells.
attribute table: field and records - Answers Field are the columns. Records are the rows.
auto-label* - Answers A tool that automatically labels a certain layer based on a selected field (usually
NAME)
bitmap* - Answers An image format in which one or more bits represent each pixel on the screen. The
number of bits per pixel determines the shades of gray or number of colors that a bitmap can represent
Boolean expression* - Answers an expression, named for the English mathematician George Boole
(1815-1864), that results in a true or false (logical) condition. For example, in the Boolean expression
"HEIGHT > 70 AND DIAMETER = 100," all locations where the height is greater than 70 and the diameter
is equal to 100 would be given a value of 1, or true, and all locations where this criteria is not met would
be given a value of 0, or false.
Boolean operator - Answers a logical operator used in the formulation of a Boolean expression.
Common Boolean operators include AND, which specifies a combination of conditions (A and B must be
true); OR, which specifies a list of alternative conditions (A or B must be true); NOT, which negates a
condition (A but not B must be true); and XOR (exclusive or), which makes conditions mutually exclusive
(A or B may be true but not both A and B).
byte - Answers The smallest addressable unit of data storage within a computer; almost always
equivalent to 8 bits and containing one character.
CAD - Answers (Computer-Aided Design). A computer-based system for the design, drafting, and display
of graphical information. Such systems are mostly commonly used to support engineering, planning, and
illustrating activities.
CAD feature class - Answers A read-only member of a CAD feature dataset, comprised of one of the
following: polylines, points, polygons, multipatch, or annotation. The feature attribute table of a CAD
feature class is a virtual table comprised of select CAD graphic properties and any existing field attributes
values.
, cell* - Answers The smallest unit of information in raster data, usually square in shape. In a map or GIS
dataset, each cell represents a portion of the earth, such as a square meter or square mile, and usually
has an attribute value associated with it, such as soil type or vegetation class.
A pixel
A small drawing, usually of a frequently used or complex symbol, notation, or detail. Cells are similar to
blocks in AutoCAD drawings.
character data types - Answers One of the field types: a letter, digit, or special graphic symbol treated as
a single unit of data and usually stored as one byte.
class* - Answers A set of entities grouped together on the basis of shared attribute values.
Pixels in a raster file that represent the same condition
a template for a type of object in an object-oriented programming language. A class is used to create
objects that share the same structure and behavior
Classification - Answers The process of sorting or arranging entities into groups or categories; on a map,
process of representing members of a group by the same symbol, usually defined in a legend.
classification methods - Answers The process of sorting or arranging entities into groups or categories.
Some methods include grouping by the same symbol, usually defined in a legend.
client - server - Answers A software system with a central processor (server) that accepts requests from
one or more user applications, comptuers, or devices (clients). Although client/server architecture can
exist on one computer, it is more relevant to (and is typically thought of as relating to) network systems
that distribute applications over computers in different locations.
color ramp - Answers A range of colors used to show ranking or order among classes on a map
computer file - Answers A computer file...
coordinate* - Answers A set of values represented by the letters x, y, and optionally z or m (measure),
that define a position within a spatial reference. Coordinates are used to represent locations in space
relative to other locations.
coordinate pairs - Answers An x and y used to represent a location.
