☰
Use Of Computer In Data Processing And Mapping
What are the storage devices in a computer?
A computer consists of a number of store devices which are:
(i) Hard Disk (ii) Floppy (iii)Tape (iv) Magneto Optical Disk (v) Compact Disk (CD) (vi) Cartridge These devices vary in their capacity of data storage, from megabytes (MB) to gigabits (G.B). Q. 7. What is an operating system? Ans. Operating System (OS) is a set of programs that contain instructions for coordinating all the activities among computer
hardware resources. For example, the operating system recognises input from an input device such as the keyboard, mouse, microphone, or P.C Camera coordinates the display of output on the monitor, instructs a printer how and when to print information, and manages data and instructions in memory and information stored on disk.
Popular types of operating system include DOS (Disk Operating System), UNIX and its variants, VMS (Virtual Memory System), Microsoft Windows, etc.
Sponsor Area
What type of graph would you use to represent the following data?
|
States |
Share of Production of Iron-Ore (in Per cent) |
|
Madhya Pradesh |
23.44 |
|
Goa |
21.82 |
|
Karnataka |
20.95 |
|
Bihar |
16.98 |
|
Orissa |
16.30 |
|
Andhra Pradesh |
0.45 |
|
Maharashtra |
0.04 |
Districts within a state would be represented in which type of spatial data?
Which is the operator that is calculated first in a formula given in a cell of a worksheet?
Function wizard in Excel enables you to
What are the functions of different parts of computer?
What are the advantages of using computer over manual methods of data processing and representation?
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.
Sponsor Area
Sponsor Area