GIS Basics

Question 1

GIS

Answer 1

geographic information system

Question 2

What is a GIS?

Answer 2

system that creates, manages, analyzes, and maps all types of data

Question 3

5 GIS components

Answer 3

1. hardware
2. software
3. data
4. people
5. workflow

Question 4

2 components of geographic information

Answer 4

Attributes
Location information

Question 5

ArcGIS Enterprise

Answer 5

Web GIS deployed within an organization’s firewall that hosts making maps, analyzing data, and sharing geospatial data

Question 6

Spatial data

Answer 6

data that has location information

Question 7

What does a GIS do fundamentally?

Answer 7

Combines attribute and location information (where/what something is)

Question 8

Discrete/vector data

Answer 8

Clearly defined boundaries
- land cover

Question 9

Continuous/raster data

Answer 9

Not clearly defined boundaries
- elevation, temperature, rainfall

Question 10

Three types of vector data

Answer 10

1. point
2. line
3. polygon

Question 11

Small scale

Answer 11

Zoomed out really far

Question 12

Large scale

Answer 12

Zoomed in really far

Question 13

Raster data format

Answer 13

grid of equally sized cells

Question 14

Phrase about rasters

Answer 14

All images are rasters but not all rasters are images

Question 15

how are raster attributes calculated?

Answer 15

By taking the average of values over the entire cell

Question 16

What is a raster’s resolution?

Answer 16

The size of the cell

Question 17

4 types of raster dataset

Answer 17

1. continuous data (temp, elevation)
2. discrete stored in raster (land cover)
3. scanned in maps
4. imagery