Computer is an integral part of every day life. We use personal computer to perform various tasks . Data storage and processing are the important tasks performed by the pc. It takes data from user, processes it, and gives the output in a prescribed manner . The use of PC makes mathematical calcilations easier . scientists use the pc for scientific applications such as weather forecasts , research and chemical analysis.
Pc provides faster means of communication through the internet by sending and receiving e-mails. We can use the internet to gain information on any topic. We can use the pc for entertainment, such as for watching movies using Dvds ,listening to music using CDs and Mp3s. Computer is an electronic device that accepts ,stores and processes the data and returns the result or output.