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Syllabus

Geographical Information System (GIS) — Syllabus

ICSE · Class 12 · Geography

What Geographical Information System (GIS) covers in ICSE Class 12 Geography: 4 topics, for the 2026-27 session.

70 questions42 flashcards5 concepts

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4 Topics · ICSE Class 12 Geography · 2026-27

Topics in Geographical Information System (GIS)

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1. Spatial Information Technology and GIS

  • Spatial information technology refers to the distribution of phenomena over geographical space.
  • It is derived from the term 'space' and focuses on how things are arranged on the Earth's surface.
  • Spatial information technology is an amalgamation of Remote Sensing, GPS, GIS, Digital Cartography, and Database Management Systems.
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2. Forms of Geographical Information

  • Geographical information is represented by two types of data: spatial data and non-spatial data.
  • Spatial data relate to geographical space and have positional, linear, or areal form.
  • Spatial data must have a definite geometrical shape to be stored in the internal database structure of GIS.
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3. Sources and Building Spatial Data in GIS

  • Spatial data can be built into GIS in several ways.
  • Important ways include acquiring digital data from a data supplier, digitising existing analogue data, and carrying out surveys of geographic entities.
  • The choice of geographical data source depends on the application area, available budget, and the type of data structure, whether vector or raster.
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4. Advantages of GIS over Manual Methods

  • Manual methods have three limitations: map information is processed and presented in a particular way, a map shows a single or predetermined theme, and a new map must be drawn when information is alte
  • GIS overcomes these limitations by allowing interrogation of displayed spatial features and retrieval of associated attribute information.
  • GIS allows maps to be drawn by querying or analysing attribute data.

Key Concepts

Central concept: Geographical Information System

Spatial Information TechnologyDefinitions of GISForms of Geographical InformationSpatial DataNon-spatial DataSources of Spatial DataChoice of Data SourceTopographical and Thematic Maps

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Frequently Asked Questions

What are the important topics in Geographical Information System (GIS) for ICSE Class 12 Geography?
Key topics in Geographical Information System (GIS) include Spatial Information Technology and GIS, Forms of Geographical Information, Sources and Building Spatial Data in GIS, Advantages of GIS over Manual Methods. Study these first, then practise questions on each for the ICSE Class 12 board exam.
How should I revise Geographical Information System (GIS) for the ICSE Class 12 board exam?
Learn the core ideas first, then work through the 70 practice questions on Geographical Information System (GIS). Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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