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Question

Which of the following are open source software used in geospatial data processing?
A. Arc GIS
B. Erdas imagine
C. QGIS
D. iLWiS
E. SAGA GIS

Choose the most appropriate answer from the options given below:

The correct answer is
C, D and E Only

Identifying Open Source Geospatial Software

This question requires identifying which software from the list are open-source tools used for geospatial data processing. Open-source software allows users to view, modify, and distribute the source code freely.

Software Analysis

Let's analyze each software mentioned:

  • ArcGIS: This is a proprietary software suite developed by Esri. It is not open source.
  • Erdas Imagine: This is a commercial remote sensing and digital image processing software, also not open source.
  • QGIS: This is a free and open-source cross-platform desktop geographic information system (GIS) application. It is widely used for geospatial data processing.
  • iLwis: (Integrated Land and Water Information System) This is an open-source GIS software designed for environmental and agricultural applications.
  • SAGA GIS: (System for Automated Geoscientific Analyses) This is an open-source software for processing and analyzing raster and vector data, particularly in geoscientific research.

Conclusion

Based on the analysis, QGIS, iLwis, and SAGA GIS are the open-source software options used in geospatial data processing.

Therefore, the correct option includes C, D, and E.

The correct choice is Option 3.

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Important Questions from Open Source Software

  1. Which of the following is an open-source operating system?
  2. Which of the following is an open-source spreadsheet software ?
  3. ____________is an example of an Open Source Word Processing Tool.

  4. Assertion (A) : Commercial Library Management Softwares need to be discouraged in libraries to make the contemporary librarians free from the dictate of commercial vendors. 
    Reason (R) : Open source softwares (OSS) are more flexible and are free from much recurring expenditure and wider user base of OSS helps in problem solving better.

  5. CeCILL Free Software License Agreement was initiated by:
    A. CEA (Atomic Energy Commission)
    B. CNRS (National Centre for Scientific Research)
    C. NIACL (National Institute of Advanced Computing and Logic)
    D. INRIA (National Institute for Research in Digital Science and Technology)
    E. RID (Research Institute for Development)

    Choose the correct answer from the options given below:
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