☰
Use Of Computer In Data Processing And Mapping
What are the advantages of using computer over manual methods of data processing and representation?
Computer saves time and improve efficiency in data processing and graphical presentation. Computer is more versatile as it facilitiates the on screen editing the text copy and move it from one place to another or even delete the unwanted text.
2. It can handle huge volume of the data.
3. It further enables validation, checking and correction.
(iii) The types of graph or map headings and other formats can be changed easily.
Sponsor Area
What is a worksheet?
What is the difference between spatial and non-spatial data ? Explain with example.
What is the three forms of geographical data?
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.
Represent the data given below using a suitable technique with the help of a computer and analyse the graph.
Cropping Intensity in India
|
yr_80s |
Cl_80s |
yr_90s |
Cl_90s |
|
1980-81 |
123.3 |
1990-91 |
129.9 |
|
1981-82 |
124.5 |
1991-92 |
128.7 |
|
1962-83 |
123.2 |
1992-93 |
130.1 |
|
1983-84 |
125.7 |
1993-94 |
131.1 |
|
1984-85 |
125.2 |
1994-95 |
131.5 |
|
1985-86 |
126.7 |
1995-96 |
131.8 |
|
1986-87 |
126.4 |
1996-97 |
132.8 |
|
1987-88 |
127.3 |
1997-98 |
134.1 |
|
1988-89 |
128.5 |
1998-99 |
135.4 |
|
1989-90 |
128.1 |
1999-00 |
134.9 |
What is a computer?
What are the types of computer?
Name the hardware units of a computer.
What is software?
Name the operations which take place in digital techniques of mapping.
Sponsor Area
Sponsor Area