NCERT Solutions for Class 12 Help.html Practical Work In Geography Part I Chapter 6 Spatial Information Technology

The spatial data are characterised by the following forms of appearance:

• Positional

• Linear

• Areal

• All the above forms

Which one of the following operations requires analysis module software?

• Data storage

• Data display

• Data output

• Buffering

Which one of the following is disadvantage of Raster data format?

• Simple data structure

• Easy and efficient overlaying

• Compatible with remote sensing imagery

• Difficult network analysis

Which one of the following is an advantage of Vector data format?

• Complex data structure

• Difficult overlay operations

• Lack of compatibility with remote sensing data

• Compact data structure

Urban change detection is effectively undertaken in GIS core using.

• Overlay operations

• Proximity analysis

• Network analysis

• Buffering

Differentiate between Raster and Vector data models

What is an overlay analysis?

What are the advantages of GIS over manual methods?

What are important components of GIS?

What are different ways in which spatial data is built in GIS core?