What Are The Basic Requirements For Connecting A Computer To Internet?

Internet is types of Wide Area Network (WAN) and collection of networks of networks. Internet span globe almost throughout 150 countries. For connecting computer to the Internet five basic things are required. These are modem, Telephone Line, Web Browsing Software, Internet Connection and Internet Service Provider (ISP). Computer is a digital machine; any information which a computer handles must be expressed in digits or numbers. Telephone lines are designed to carry analog signals but if computer wants to send data to another computer through the telephone wire then it will not be possible because computer will send data in the form of digital signals. For solving this problem modem is used. Modem converts the analog signals into digital signals and digital signal into analog signal.
Telephone cables are an essential component. We connect one computer's modem to the other computer's modem through a telephone cable. Web browsing software is a program which let us view and explores information on internet. Examples of web browsing softwares are Internet Explorer, Netscape etc. Internet connection is use to provide internet facilities. Without internet connection, we cannot open any website. To access internet from our compute, we need a account with an internet service provider (ISP).