Computer is also helping us in education of children, it has enabled us to get the information form one part of the world to the other at a very rapid pace. So in summary computer today is in every walk of life, and is helping us a lot in developing at a fast pace.
Computers saves storage place. Imagine how much paper would have to be used, how many trees would have to be cut just to store information which is today on hard disks. Data stored on just one CD in paper form would use room of dozens square meters and would weight thousands of kilos.