History and working

2. HackerzZ
Presentations
&
Productions

3. INTERNET
Presented By:
Muhammad Hamza
Degree:
B.sc Textile Technology
(5th)

4. What we Learn in this Presentation
• What is INTERNET ?
• History of INTERNET
• IP Address and Domain
• Basic Services of INTERNET
• Introduction to WWW
• Web Browsers and Web Servers
• HTTP
Reference:
o Discovering Computers 2011 by Shelly Cashman
o Web 2.0 Programming, School of Software, Sun Yat-Sen University
o Introduction to Web by Sara Masood

5. INTRODUCTION
TO
INTERNET

6. INTERNET is a worldwide
collection of interconnected networks
that links millions of computers and
other communicating devices

7. History of Internet
1969(ARPANET)
1986(NSFnet)

8.  The first internet started in September 1969 to link Scientific & Academic
Researches across the USA.
 It stands for Advanced Research Projects Agency Network.
 It is developed by U.S. Department of Defense.
 In 1981, there were 213 hosts on it.

9.  In 1986, its huge network is connected with ARPANET to promote advanced
research & education in USA.
 It stands for National Science Foundation NETwork.
 They terminated its network in 1995 from the internet and resumed their status
as Research Network.
 This configuration of complex networks and hosts is known as INTERNET.

10. IP Address
A unique number which identifies each computer
or device that is connected to INTERNET.
DOMAIN NAME:
A text version of an IP Address.

11. TLD
A last section of domain name which identifies
the type of organization associated with the
domain.

13. DNS Server
 It translates the Domain Name to its associated IP
Address.
 Internet Service Provider (ISP) has DNS Server.

14. BASIC SERVICES OF INTERNET

15. E – MAIL
It is used to send an electronic messages
and files in any part of world.
TELNET
It is used to connect to a remote computers
through internet.
FTP
It is used to transfer files via internet i.e.
uploading & downloading.

16. Program 2
A program inputs a number in an integer variable. It stores the address of the
variable in a pointer and then displays the value and address of the variable
#include<iostream>
#include<conio.h>
int main()
{
using namespace std;
int a, b, sum, *x, *y;
x = &a;
y = &b;
cout<<“Enter First Value : ”;
cin>>*x;
cout<<“Enter Second Value : ”;
cin>>*y;
sum = *x + *y;
cout<<“Sum = ”<<*x<<“+”<<*y<<“=”<<sum;
getch();
}
W W WWorld Wide Web

17. WORLD WIDE WEB
It is a worldwide collection
of electronic documents.

18. Web Page:
Each electronic document on a web. It
can contain text, audio, video, graphics
and animation.
Web Site:
A collection of related web pages.

19. WEB BROWSER
An application software that allows users to access
and view Web Pages.

20. WEB SERVER
A computer where the web content is stored. It is
also called Host.

21. RELATION BETWEEN INTERNET, WEB BROWSER AND
WEB SERVER

22. HTTP
 A set of rules that defines how the data will be
transferred on the web.
 These rules are sent from Web Browser and understand
by Web Server.
HTTP Error Codes
A special number sent by Web Server to Web Browser when something goes wrong.
 500: Internal server error
 404: Page not found
 403: You are forbidden to access this page.

23. PEOPLE
&
ORGANIZATIONS
IETF (Internet Engineering Task Force)
It provides Internet Protocol Standards.
W3C (World Wide Web Consortium)
It provides Web Standards
ICANN (Internet Corporation for Assigned
Names and Numbers)
It decides top-level domain names.

24. QUESTION FOR YOU…??
Can you tell what is the main difference
between INTERNET and WWW ?

25. ANY QUESTIONS
??
DANGE
R

26. Thank You