What is internet

Part 1: The Internet

Reem AbuZayedh

Keywords1. Internet2. Modem3. ISP4. Search engine5. Information website6. Social website7. Blogs8. e-commerce9. Protocol10. TCP/IP

Objectives

1. What is the Internet?

2. History of the Internet

3. How to connect to the Internet?

4. What can you do on the Internet?

5. Common Website Types

6. What is the language/Protocol of the

Internet?

Class Activity 1

Search time (10 minutes)

What is the Internet?

When was the Internet created?

Who created the Internet? And Where?

The Internet

What is the Internet?

1. The Internet is a global

network of computers

(International Network)

2. The Internet is the largest WAN

3. Nobody owns the Internet

History of the Internet1. When was the Internet created?

1969

2. Who created the Internet And Where

was this?

US military “Defense Department” –

USA

Four computers were connected

Class Activity 2

Class discussion: How to connect to the Internet?

How to connect to the Internet?

To connect to the Internet you need to have the following :

1. A Computer (Your laptop contains a wireless network card which allows your laptop to connect to the Internet )

2. A modem3. An account with an ISP Internet Service

Provider-an organization that provides access to the Internet.

Think of ISP Examples in the UAE:

How to connect to the Internet?

ISP

Internet

Laptop &

modem

What can you do on the Internet?

Communicate with others

Exchange electronic mail (E-mail)

Find information

Download/Upload resources

Buy/sell products and services

Class Activity 4

Class discussion: Based on what you can do on the Internet, can you classify some website types?

Website Types

Example Definition Type #

Google.com Websites that search for information on the Internet

Search engine 1

Wikipedia.org Provides information Information website

2

Facebook.com Websites that focus on building social relations among people

Social website 3

Blogger.com Blogs are like online diaries

Blogs 4

Amazon.com Buying/selling products, services via the Internet

e-commerce 5

Class Activity 5

Class discussion:

Q1-How can people understand each other?

Q2-How can computers understand each other?!!!

What is the language (protocol) of the Internet?

To exchange information, computers must understand what each other computer is saying.

They use a common protocol (set of rules)

The common protocol is TCP/IP, known as Transmission Control Protocol / Internet Protocol.

HiHi

What does TCP/IP do?

1. When a computer sends information on the Internet

2. TCP divides information/files into smaller pieces called segments.

3. IP gives each segment an IP address and sends it out onto the Internet as packets.

4. At the other end TCP collects the packets and puts them back together again.

London

Beijing ME

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