GIS Basics
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Questions and Answers

What is the primary purpose of a GIS?

  • To provide a platform for social media integration
  • To analyze and visualize geospatial data (correct)
  • To store and manage large datasets
  • To create detailed maps and charts

What are the two types of geospatial data?

  • Line and Surface
  • Attribute and Feature
  • Point and Polygon
  • Vector and Raster (correct)

What is the term for the dimension of the pixel size in a raster data?

  • Scale
  • Resolution (correct)
  • Accuracy
  • Precision

What is a feature in the context of GIS?

<p>A single entity of vector data with both geometry and attribute data (B)</p> Signup and view all the answers

What is a shapefile?

<p>A vector data format used to store geometric shapes (D)</p> Signup and view all the answers

What is the minimum number of file types required for a shapefile?

<p>Three (A)</p> Signup and view all the answers

What is the term for the use of symbols to represent the attributes and features of a map layer?

<p>Symbology (C)</p> Signup and view all the answers

What type of data is referenced to particular positions on the earth's surface?

<p>Spatial data (B)</p> Signup and view all the answers

What is the purpose of the Calculate Geometry tool?

<p>To calculate the area, perimeter, or length of features (A)</p> Signup and view all the answers

What is the term for 'data about the data' in GIS?

<p>Metadata (B)</p> Signup and view all the answers

What is the file extension for an ArcGIS Pro project file?

<p>.aprx (D)</p> Signup and view all the answers

A GIS is used to aid in the handling of non-geospatial data and information.

<p>False (B)</p> Signup and view all the answers

A shapefile must have a minimum of four file types: .shp, .shx, .dbf, and .prj.

<p>False (B)</p> Signup and view all the answers

A geodatabase can only store vector data.

<p>False (B)</p> Signup and view all the answers

Vector data is used to represent continuous data such as elevation, soil pH, and other environmental applications.

<p>False (B)</p> Signup and view all the answers

The Define Projection tool is used to calculate the area of a feature.

<p>False (B)</p> Signup and view all the answers

A feature in GIS can have multiple geometry types.

<p>False (B)</p> Signup and view all the answers

A layer in GIS stores the actual data.

<p>False (B)</p> Signup and view all the answers

Shapefile is a raster data format.

<p>False (B)</p> Signup and view all the answers

A GIS system consists of four parts: People, Data, Hardware, and Software.

<p>False (B)</p> Signup and view all the answers

A definition query is used to summarize data in a layer.

<p>False (B)</p> Signup and view all the answers

A selected row in an attribute table is highlighted in red.

<p>False (B)</p> Signup and view all the answers

Attribute table contains geometric shapes.

<p>False (B)</p> Signup and view all the answers

Match the following GIS components with their definitions:

<p>People = Involved in the handling of geospatial data Methods and procedures = Steps to follow in GIS analysis Data = Information stored in a GIS system Hardware = Physical devices used in a GIS system</p> Signup and view all the answers

Match the following types of geospatial data with their characteristics:

<p>Vector data = Used for continuous data such as elevation, soil pH Raster data = Has almost unlimited attributes per data point</p> Signup and view all the answers

Match the following vector data terminology with their definitions:

<p>Points = Represent buildings, sample plots, a tree, etc Lines = Used to represent roads, rivers, drainages, etc Polygons = Used to represent areas, ponds, stands, lakes, boundaries, etc Nodes = Intermediate points of a line</p> Signup and view all the answers

Match the following terms related to GIS features with their definitions:

<p>Feature = A single entity of vector data with geometry and attribute data Feature Class = A group of features with the same geometry type Attribute = Data associated with a feature Field = A column in an attribute table</p> Signup and view all the answers

Match the following GIS terms with their definitions:

<p>Resolution = The dimension of the pixel size in a raster data Shapefile = A vector data format used to store geometric shapes Attribute table = A table containing associated data for a feature Record = A row in an attribute table</p> Signup and view all the answers

Match the following GIS concepts with their definitions:

<p>Geometry = The physical representation of a feature Attribute data = Information associated with a feature Feature = A single entity of vector data with geometry and attribute data Vertex = An intermediate point of a polygon</p> Signup and view all the answers

Match the following GIS terms with their definitions:

<p>Spatial data = Data that is referenced to particular positions on the earth's surface Geodatabase = A collection of geographic datasets that are stored in a file system folder or a relational database management system Symbology = The use of symbols to represent the attributes and features of a map layer Metadata = Data about the data or information that describes items in GIS</p> Signup and view all the answers

Match the following ArcGIS Pro components with their descriptions:

<p>Contents pane = Lists all the layers and tables in the map or scene and shows how the features are represented Catalog pane = Allows access to all items associated with a specific project in one place .aprx = Project file that contains items you create in the project, such as maps and scenes .jpg = Image file extension</p> Signup and view all the answers

Match the following GIS tools with their functions:

<p>Calculate geometry tool = Calculates the area, perimeter, or length of features Summarize data toolset = Contains tools that calculate total counts, lengths, areas, and basic descriptive statistics of features and their attributes Define projection tool = Overwrites the coordinate system information (map projection and datum) stored with a dataset Heads-up digitizing (HUD) = Process involves the user manually tracing geographic features from a digital image or map on a computer screen</p> Signup and view all the answers

Match the following GIS concepts with their characteristics:

<p>Layer = Stores the path to a dataset and other layer properties, but doesn't contain the actual data Point-of-event table = A tabular data structure where each row represents a specific point or event location Geospatial database = A set of digital base maps that describes the “geography” of the Earth’s surface Shapefile = A file type that must have a minimum of three file types: .shp, .shx, and .dbf</p> Signup and view all the answers

Match the following GIS selection indicators with their descriptions:

<p>Row selection = The row is highlighted in blue in the attribute table Feature selection = The polygon or other feature is highlighted blue on the map, and the record is also highlighted blue in the attribute table Layer selection = The layer is highlighted in the contents pane Data selection = The data is highlighted in the catalog pane</p> Signup and view all the answers

Match the following GIS file types with their descriptions:

<p>.aprx = ArcGIS Pro project file .shp = Shapefile that stores feature geometry .jpg = Image file extension .dbf = Shapefile that stores attribute data</p> Signup and view all the answers

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