Technology

Question 1

Attribute accuracy

Answer 1

Validity concept of experimental design and statistical information. Achieved with correctly labelled pixels/polygons

Question 2

Position accuracy

Answer 2

Achieved is position on map corresponds to position on the ground

Question 3

Precision

Answer 3

Measure of repeatability in location

Question 4

Large scale maps

Answer 4

Cover small areas 1:500

Question 5

Small scale maps

Answer 5

Cover large areas 1:500,000

Question 6

Pixel

Answer 6

Base component of raster data

Question 7

Polygon

Answer 7

Bounded area in vector data

Question 8

Resolution

Answer 8

Size of the smallest feature that can be displayed

Question 9

Metadata

Answer 9

Data about data, take data from multiple studies.

Question 10

Active radar

Answer 10

Device used to emit and recapture long wave radiation

Question 11

Multispectral satellite

Answer 11

Receives and records the strength of radiation in different wavebands

Question 12

Photogrammetry

Answer 12

Uses photographs to reconstruct geometry

Question 13

Laser scanner

Answer 13

Emits and recaptures laser beams

Question 14

Geographic information system (GIS)

Answer 14

Stores map data in layers

Question 15

Geographic positioning system (GPS)

Answer 15

Uses satellite locations to determine geographic location