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CIS 1203 Slideshow - What is the internet
Citation preview
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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