What is Computer?

Definitions:
The "Computer" is derived from the word "Compute", which means to calculate. So a computer is normally considered to be a calculating device that can perform arithmetic and logical operations at a very fast speed.ORA Computer is an electronic device that can accept data, process it and give results after that processing and which can also communicate with the outer world.
Explanation:
The computer revolution is transforming the way we communicate, do business and learn. This technological revolution is having a profound impact on the business community and on our private and professional lives. Businessman is now relying on computer to keep the documents in soft form. In this way he is very comfortable to keep them where ever he go and confident on the reliability of documents. Document management systems are widely implemented in many multinational organizations to have a paperless environment. It lowers down the cost of doing business activities in the form of paper based files.