There are ________ spatial information systems.
Two
Three
Four
Five
___________ is used to study the changes in land use over to different periods in time.
Fuzzy matching
Hierarchial matching
Overlay operations
Network analysis
_____________ is a compact data structure.
Proximity analysis
Raster data model
Vector data model
There are ________ basic types of scanners.
The _________ are the most important pre-requisite in a spatial or geographical information system.
Buffer analysis
Spatial data
Non-spatial data
__________ relates to the use of technological inputs in collecting ,storing retrieving ,displaying ,manipulating,managing and analysing the spatial information.
Spatial information technology
Raster data
Vector data
None of these
____________ is efficient for network analysis.
Spatial analysis
Manual input of data to a GIS involves __________ main stages.
___________ are devices for converting analogue data into digital grid based images.
MIS
GIS
Scanners
Buffering
The spatial data are represented in the ______ formats.