Secondly, sitting at a computer too much can be damage human's eyesight.
But In computers, typing once is required. In older days, Typewriters were used effectively to print the contents on the paper.
It is amazing all of the things this man uses in the morning alone that would not be possible if it were not for computer technology. Some people do not have proper knowledge on how to access the data through computers or they may be workaholic and not concentrating on any other things in life than computers and hence they may feel computers have made their life more complex and stressful.
Many risky jobs are now done by computers and this has decreased the casualty in such risky workplaces. Before the computer was developed for this kind of work, all design was done on a board.
From designing a motorbike to a car, spacecraft computer is used. One can spend the rest of the time watching TV with his family or working on something new. Nowadays this process is being computerised and it is more secure than having it in papers. Some people think that the computers have made our life more comfortable, but others have a negative attitude.
I, on the other hand, think that computers have made life more simple and convenient because it helps people communicate, get information and do research.
The application of the computer in our daily life is endless.
However, please note that this is just one example out of many possible answers. It makes life much easier.