Spatial Information Technology
Q) What is the difference between a simple bar graph and a compound bar graph?
Answer: A simple bar graph shows only one variable, while a compound bar graph shows multiple variables within each bar.
Q) What is the importance of using legends on maps and graphs?
Answer: Legends explain the meaning of the symbols, colors, and labels used on the map or graph, making it easier to understand and interpret.
Q) What are the two main types of data represented in a GIS?
Answer: Spatial data and non-spatial data, also known as attribute data.
Q) What are the three main components of a GIS?
Answer: Hardware, software, and data.
Q) What are the two main data formats used in GIS?
Answer: Raster and vector.
Q) What is the purpose of buffer analysis in GIS?
Answer: To create zones of specific distances around point, line, or area features.
Q) What are the two main types of map overlay operations in GIS?
Answer: Exact matching and fuzzy matching.
Q) What is the importance of using procedures in GIS?
Answer: Procedures ensure that data is retrieved, input, stored, managed, and analyzed correctly and consistently.
Q) What are the benefits of using GIS?
Answer: Improved decision-making, enhanced visualization, efficient data management, increased understanding of environmental issues, and improved communication and collaboration.
Q) What is the difference between a GIS and a typical database management system?
Answer: A GIS focuses on spatial data and its relationships to geographical locations, while a database management system focuses on storing and managing any type of data.
Q) What are some examples of real-world applications for GIS?
Answer: Land use planning, environmental monitoring, resource management, disaster response, and urban planning.
Q) What are the future trends for Spatial Information Technology?
Answer: Increased use of cloud computing, big data analytics, artificial intelligence, and machine learning in GIS applications.
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