This document discusses different methods for connecting to the Internet, including dial-up networking, ISDN, and ADSL. It also explains some key Internet concepts such as protocols, servers, IP addresses, and caching. TCP/IP is identified as the standard protocol for sending and receiving data over the Internet, breaking data into packets and reassembling it.

1. Internet and the world wide webGrade 12

2. Connecting To the internet1)Dial up networkingCheapest & Slowest

3. 56.6 KbpsConnecting To the internet2)ISDN128 kbpsIntegrated Service Digital Network

4. Connecting To the internet3)ADSLFastestAsymmetric Digital subscriber LineTransforms the existing telephone wires into a high-speed digital data lines

5. A ProtocolA Standard set of rules in which different networks are linked together

6. TCP/IPThe protocol for sending & receiving data over the internetTCP/IP breaks down the data into little packets then ensures that the data is reassembled into its original form

7. Host ( Server)The computer on the internet that provides services such as e-mail, news , data

8. IP AddressThe unique address that each computer has to be identified The first two or three numbers identify the computer networkThe rest identify the individual computers

9. You are tracked !!!!Every time you send an-email or browse the web , your IP is send behind the scenes

10. Internet CacheSpeeds up the display of web pagesThe files & pages stored by the web browser on your hard disk Temporary internet files