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

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Presentation transcript:

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

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

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.

Types of Area Networks LAN WAN

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

Reasons why the Internet is so popular Communication   Video conferencing  VoIP  Chat  Fax to  Blogs

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

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

How does the Internet work? URL

Domain names or domains

IP addresses Links to the URL