Definition of Computer

 Introduction to Computer

The invention of computer is the greatest achievement of the twentieth century. Today computer needs no introduction. Today there is no field or aspect of life where computer is not being used. The use of computer has become inevitable in fields like scientific research, business, industry, environment,meteorology, space research, commu­ nication, transport, medicine and health care, education, entertainment etc. Internet is a communication network with all the computers world wide connected to one another and this network has left such an enormous influence on life that it has ushered in a new era "Information Technology Era". It is impossible for us to image life without computer in this information technology era.

 

Computer has contributed in all the fields of development of mankind. Computer has solved many a complex problem and has made impossible things possible. Computer is absolutely essential for a developing country like India because computer can play an important role in improving the economical condition of the country

 

Definition of Computer

The term computer is derived from the English word 'compute' which means to calculate or count. In reality the main purpose of the invention of computer was to manu­ facture a machine which could claculate. But today more than 80 percent of the work done by the computer is not of mathematical or statistical nature. So to define computer as a computing machine is to ignore the 80 percent work done by computer. Besides having the capacity to calculate, computer has the storage of memory and reasoning and it fol­ lows instructions in a glimpse