Extra GIS (Day 3) Flashcards
A closed boundary around an area with similar characteristics is a __________?
Polygon
A point determining the beginning or endpoint of a line is a ____________?
A node
Information about a geographic feature, like name, length, elevation, land use, is called _____________?
an attribute
The vertical distance of a point above or below a reference surface such as sea level is _______?
Elevation
A known point on or in the Earth that is used as a reference location is _______________?
Datum
GIS has two different types of data, what kind are they?
Vector and Raster data
______________ is a digital image comprised of pixels, like an image produced in a digital camera.
Raster Data
_____________ is comprised of points, lines, or polygons with separate geospatial coordinates and computer stored attributes.
Vector data
True/False: Vector data is the main source of GIS data
True
The relationship between a distance or area on a map and the corresponding distance or area on ground is a ____________?
Map Scale
What is that measure of units used in map scales?
Inches
A _____________ is a background georeferenced image that provides a point of reference map displaying aerial location.
A basemap
Which technique can be used for architectural drawings, designing plans and blueprints?
CADD
Which technique is used for financial analysis and business reporting?
MIS
Which technique is used for mapping, cartography, geographical analysis, GPS, and satellite/aerial remote sensing?
GIS
Who is the most influential person in GIS history?
Ian McHarg, who created map overlays
A GIS operation for converting street addresses into spatial data is called __________________?
Geocoding
Aligning geographic data to a known coordinate system so it can be viewed, queried, and analyzed is called _________________?
Georeferencing
_____________ is data about data.
Metadata
A mechanism that defines how data appears when displayed is ____________?
Rendering
Land Use Map Color Coding: Industry
Purple
Land Use Map Color Coding: Low density residential
Yellow
Land Use Map Color Coding: High density residential
Brown
Land Use Map Color Coding: Retail/Commercial
Red
Land Use Map Color Coding: Institution/Public
Blue
Land Use Map Color Coding: Recreation
Green
Land Use Map Color Coding: Utilities
Gray
Searching or retrieving GIS data is called ____________?
Querying
A proximity feature that creates a polygon at a set distance is called a __________?
buffer
A system or method of describing land, real property, or real estate is called ___________?
Metes and bounds
How many square miles are in a township?
36 miles, 6 by 6 miles
How many acres are in square mile?
640 acres
True/False: The best known USGS map are those of 7.5 minutes, or 1:24,000-scale quadrangle series.
True
How many square feet are in an acre?
43,560
Building Area / Lot Area is the formula for __________?
Floor Area Ratio
In the 2010 Census, the fastest growing state over the previous decade was _______________?
Nevada
