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 C ommunication:- Communication means to establish link   between places or people to share information and resource.     Or,      Communication is the process of   transferring a message from one point   to another.     There are three   basic elements of any communication system :-    1.   Sender – A sender that creates and       sends a message.    2.   Medium – A medium that carries the       message.    3.   Receiver – A receiver that receives     the message.     Network :- Network refers to inter-connected group of people object, computers etc., which can exchange information and resources among themselves.   Advantage of Network    1.   Sharing of Files:- Networking enables   to share files among different nodes   or  workstation.    2.   Sharing of Resource: - Networking also helps in sharing of hardware devices.   3.  Fast Delivery:- Networking helps in instant delivery of information.     4.   Reduce Cost:- In a Network, data or informa

CONNECTING TO THE INTERNET There are mainly three ways of connecting to the Internet, which are as follows:      1.     Dial-up Connection       It is a temporary connection, set-up between your computer and ISP server. Dial-up connection uses the telephone line (Public Switched Telephone Network-PSTN) and modem to connect to the Internet. The modem connects the computer through the standard phone lines, which serves as the data transfer medium. When a user initiates a dial-up connection, user need to enter the password and specify a username and modem dials a phone number of an Internet Service Provider (ISP) that is designated to receive dial-up calls. The ISP then establishes the connection, which usually takes about 10 sec and is accompanied by several beeping and buzzing sounds. 2. Broadband Connection The term broadband commonly refers to high speed Internet access that is always ON and faster than the traditional dial-up access. It is the short form of broad