What is the three forms of geographical data?
The geographical datas are available in analogue or digital form.
Use of Computer (Practical Work in Geography)
The mapping software: mapping software provides functions for spatial and attribute data input through on screen digitation of scanned maps.
A digitised map consists of three files. The extention of these files are shp, shx and def. The def file is dbase file that contains attributes data and is linked to shx and shp files.
What is a worksheet?
What are the advantages of using computer over manual methods of data processing and representation?
Carry out the following steps using
the given data set:
(a) Enter the given data in a file and store in ‘My Documents' folder
(Name the file as rainfall)
(b) Calculate the standard deviation and mean for the given data set using Function Wizard in Excel spreadsheet
(c) Compute coefficient of variation using the results derived in step (6).
(d) Analyse the results.
What is the difference between spatial and non-spatial data ? Explain with example.
