A computer is a machine capable of undergoing complex calculations. The calculations proceed according to a program - a list of instructions. These instructions usually result in data being processed, and the data may represent many types of information including numbers, text, pictures, or sound. Before the invention of electronic computers, the term computer usually referred to a human computer , a person who performed calculations for which we would use a computer for today.
The Internet , or simply the Net , is the publicly accessible worldwide system of interconnected computer networks that transmit data by packet switching using a standardized Internet Protocol (IP). It is made up of thousands of smaller commercial, academic, domestic, and government networks. It carries various information and services, such as electronic mail , online chat , and the interlinked Web pages and other documents of the World Wide Web . |
