what is the role of computer in the modern world?

Computer has become an important tool for keeping databases, filing systems, track records. It has made record keeping and account keeping much much easier than it ever was. It helps an organization save tons of times. It has made data analysis extremely easy, and it can be done at a single click of the mouse. Computers also serve as useful tools for communications. Normal post is now commonly referred to as snail mail, as the must faster email has replaced it.