Computers and internet came in our life with many comforts in different aspects of life. Let me tell you importance of computer in our life first. Before computer there was many problems related to different things. For example, you have to store information on papers, and it was very difficult for storing thousand of papers. But on computer you can store information with lots of ease and you can manage those with comfort. It was very difficult for a person to store thousands of papers with this guarantee that no one can read this while you can protect your documents on computer.