Introduction to Geographic Information Systems

GIS year one exam

  • Introduction
  • Systems 
  • Principle of geodosy
  • Spatial referencing and coordinate systems
  • Global positioning system
  • Data representation and storage
  • Getting data 
  • Spatial analysis
  • GIS outputs
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  • Created by: Sophie
  • Created on: 05-01-15 08:58

1. What is geographic information devised of?

  • Pattern, implications and shape
  • Location, trends and conditions
  • Location, shape and descriptions
  • Shape, pattern and descriptions
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2. What is not a characteristic of raster data?

  • Intuitive
  • Matches computer architecture
  • Contains y and x coordinates
  • No need for coordinates
  • Simple tessellation

3. What info is not abstracted from OS maps?

  • Topographic and environment info
  • Spatio-temperal info
  • Socio-economic info
  • Environmental info
  • Abstraction of physical entities

4. Which is not a stage in the process of creating a spatial data model?

  • Turn conceptual representation into data model
  • Analyse the data through creating union and interests
  • Choose how to represent the features conceptually
  • Identify features of interest
  • Creature structure for data model so can be physically coded for use in a computer

5. What is not a characteristic of a rectangular coordinate system?

  • Uses longtiude and latitude references
  • Cartesian grid placed over the earths surface
  • Only used on small areas, an example being the BNS being placed over the UK
  • The lines are regular and even across the grid
  • The difference between the grid space and the geographical space varies on the size of area it is placed over

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