1. GIS stands for Geographical Information System.
2. Components of GIS are Hardware, Software, Data, People, and Method.
3. Roads are denoted in vector data as Line.
4. Building is denoted in vector data as polygon.
5. Tree is denoted in vector data as point.
6. GPS stands for Global Positioning System.
7. How many satellites need for acquiring latitude, longitude and altitude 4
8. GPS satellites are controlled by U.S.A. Nation.
9. How many satellites of GPS? 24
10. R.S. stands for Remote Sensing.
11. Width of visible band is 0.4 micrometer to 0.7 micrometer.
12. Sun is the major source of energy.
13. E.M.R. stands for Electro Magnetic Radiation.
14. On the false colour composite images Red colour indicates vegetation.
15. On the false colour composite images Blue or Black colour indicates water bodies.
16. Errors on Google earth images are around 100 to 125 meters.
Match the Following.
Platform
1. Ground Based Truck
2. Airborne Helicopter/Airplane
3. Space borne Satellites or Rockets
No comments:
Post a Comment