how does internet work

1. INTERNET
INTERNET stands fOR
INTERNATIONAL NETWORK of computers. It is the largest
information base and has become a vital part of our lives
which is the fastest mean to find , manage and share
INFORMATION THE WORLD .

2. HISTORY OF INTERNET
 IN 1957 , the USSR launched sputnik , the first artificial satellite.
 IN 1969 , the ADVANCED RESEARCH PROJECT AGENCY designed a network of four
computers to exchange and share their data.
First Official Network Nodes : UCLA
Second Official Network Nodes : SRI
Third Official Network Nodes : UCSB
Fourth Official Network Nodes : UTAH
 IN 1971 HAVARD and NASA joined the network.
 TIM BERNERS – LEE developed the WWW.

3. HOW Does INTERNET
WORK?
THEREARETWO
APPROACHES:
1: APPROACHI:
2: APPROACHII:

4. APPROACH I
CLIENT SERVER ARCHITECTURE :
CLIENT are the PCs or a work station on which user run application. It carries the user
request to the server and display the request sent By THE:

5. SERVER
SERVER are the powerful
computer or information
resource available in the
internet to the client

6. Approach ii
The computer on the internet are connected to small networks. This network are connected through gateway to the
internet back bone . All computers on the internet communication with one another using TCP/IP which manage the
transmission of data or file or document into small pieces or parts called packet or a data….

7. TRANSMISION CONTROL PROTOCOL
It breaks messages into small packet that are transmitted over the internet and also re-assemble this smaller packet into
the original message that are receive from internet .

8. INTERNET PROTOCOL
IP handles the address part of each packet so that
the data is send to correct address each gateway
on the network check this address to see where do
forward the message.