Computer communication & Internet

5.0 Introduction

what is Communication? 

Communication (Taken from Latin word commūnicāre, meaning "to share") is the activity of exchanging or imparting (sending or receiving) information using some medium like peoples, Computers and others devices.

Computers in organizations have been used to extract and correlate information.Resource sharing, high reliability and communication can be achieved by connecting  computers. 

what  is Network?

A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams.

what  is Internet?

A global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.