2.3.4 Running an Applications

You can launch  installed application with the help of  Start Button or Icon displayed on the desktop. You need to install  softwares to perform required tasks. Whenever we install any program its files are inserted in the Windows files, Windows Operating System performs all the tasks need to run the installed application as proving the shortcut for these programs, storing the work done on hard disk using this software, reopening the files of any software etc.

Some Accessories  are provided with Windows Operating System. e.g.

Notepad is used to create and edit simple text documents.


Paint is used to create and edit drawings and images.


Calculator is used to perform simple and scientific calculations.


But when you need documents with lot of formatting, tough and complicated Calculations , high quality graphics  etc. then these accessories are not helpful to perform these works.In such cases advance softwares required for this purpose.