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Based on Computers, part of your life – part 1 A textbook for Information Technology.

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Presentation on theme: "Based on Computers, part of your life – part 1 A textbook for Information Technology."— Presentation transcript:

1 Based on Computers, part of your life – part 1 A textbook for Information Technology

2 Introduction to networks and the Internet 10.1.5 displays a knowledge of networking in terms of user-access. 10.2.1 describes the role of an Internet Service Provider (ISP) in facilitating communication. 10.2.9 states and discusses how the latest technologies facilitate human interaction.

3 What is a network? A network is a group of computers or computing devices (e.g. printers, faxes, etc.) that are connected by some kind of communications medium.

4 Types of Area Networks LAN WAN

5 What is the Internet? World wide computer network consisting of many large and small networks that are connected via telephone lines, satellite and microwave for the purpose of sharing resources and communication

6 Reasons why the Internet is so popular Communication  E-mail  Video conferencing  VoIP  Chat  Fax to e-mail  Blogs

7 Reasons why the Internet is so popular Access to information Transferring of information Business transactions  Banking  Shopping  Reservations Entertainment

8 What is needed to connect to the Internet? Computer ISP Software Modem and telephone line Other methods such as ADSL and ISDN will be discussed later

9 How does the Internet work? URL

10 Domain names or domains

11 IP addresses http://219.239.39.99 Links to the URL http://www.google.com


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