1. FA-1 ACTIVITY
MADE BY : ABHAY GOYAL
754
X-B

2. WHAT IS NETWORKING ?
•When two devices are connected
together and can transverse
signals is called NETWORKING.

3. WHAT IS COMPUTER NET
WORK?
• When two or more computer connected together
and can share data as well as resources is
called COMPUTER NETWORK.
•
• Internet is a global network of computer
networks that can exchange all type of data and
information's through out the world.

4. • The seeds of internet were planted in 1969
by U.S department of defense that’s why it
named ARPANET (ADVANCE RESEARCH
PROJECTS AGENCY NETWORK).

5. • The main purpose of ARPANET was to
connect different universities of U.S and
U.S department of defence to communicate
different development of U.S army.
ARPANET wasn’t allow for general people

6. • In 1995, with the development of windows 95
operating system NSF net allowed to access by
general public and its named changed to INTERNET.

7. Internet is a network of networks it means
smaller network connect with internet backbone
through gateways.
GATEWAY:- Gateway is a device that connects
two dissimilar network.
BACKBONE:-Backbone is a interconnection
structure that connects one or more networks.

8. 1. At the source computer the message or
filedocument to be sent to another computer is
firstly divided in to very small parts called PACKETS.
A packet generally contains up to 1500 characters.
. Each packet is given a number serial wise e.g..1,
2,3.

9. 3.All these packets are then sent to the
address of destination computer.
4.The destination computer receives the
packets in random manner.(It may even receive
packet 10 before packet 1 arrives).If a packet is
garbled or lost, it is demanded again.
5.The packets are reassembled in the order of
their number and the original
messagefiledocument is obtained

10. ADVANTAGES
1.Best communication medium.
2.Greater access to information that reduce
research time
3.Any type of data can transfer using internet.
4.Increase in business due to e-commerce.

11. 1.Cyber frauds has increase that involves
misuse of debit/ credit cards.
2.Internet is the greatest source of computer
viruses.
3.The information which we download fro the
net may be in relevant

12. 1.Dial- up connection:-It is a temporary
connection provided by ISPC(internet service
provider). Each machine required MODEM to
connect with the ISP server. The data transfer
speed is less in dial- up connection.
Broadband connection:-Data transfer in the
form of digital signals that is 0 and 1. The
speed of broadband connection measure in
MBPS

13. Wireless connection:- An internet connection
without any wire connectivity is called wireless
connection. They are of two types:-
1.wi-fi:-It is a fidelity. It is a technique in which we can
connect our laptops on the internet in a limited and
specific area wire help of an a login and a password.
2.wi-max:- It is a wireless digital communication
system that works up to 30miles means with in a city.

14. It is a set of program ,standards and protocols
that helps to access internet world wide.
The attributes of WWW :-
1. Its user friendly
2. Multimedia supported
3. Hypertext and hyperlink supported
4. interactive

15. It is a set of programs, use to navigate
different websites.
They are of two types:-
1. Graphical :- graphical web browser
support text, audio, video and
images.
2.Text web browser:- These web browser
can access only text data.
e.g.:-LYNX

16. It is a program that runs on a computer and
provide internet connections.
Its major functions are:-
1.Serfing web pages
2.Accessing gateway
3.Controling the server
4.Maintaining the statistics of the internet
access.

17. The hypertext data that supported by internet
is called webpages and connection of
webpages is called websites . A complete
unique websites address which works under
http: is called URL. The different types of URL
are as follow:- com-commercial, .edu-
education, .org-non-profit, .NET- It provide
network resources, .Gov-government.
Ex- country codes – for INDIA is in