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Geological Engineering · Q17

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 17

Q17

In GIS, what does the term 'raster data' refer to?

A.
Data represented as points
B.
Data represented as vector lines
C.
Data represented as a grid of cells or pixels
Answer
D.
Data represented as 3D models

Answer: Option C

Solution

Answer: Option C
Solution:
Raster data consists of pixels arranged in a grid, each representing a value such as elevation or spectral intensity.This contrasts with vector data which uses points, lines, and polygons.