Computer Networks and the Internet: An Overview
undefined
COMPUTER NETWORKS
M.INBAVEL ,Asst Prof, DEPT OF BCA,
SRI VASAVI COLLEGE,, ERODE
Introduction
The Internet
or
“Net” (network of networks)
is
the
largest
computer
network in the
world
that
connects
billions
of
computer
users.
The
word
internet
comes
from combination
between “interconnection” and
“Network”
Network is
a
collection of computers and
devices
connected
via communication
channels and transmission media allow
to
share resources (hardware, software, data,
information).
Generally nobody own
internet.
Brief
History
(cont…)
ARPA
–
Advanced
Research
Project
Agency.
1969 January
2 –
started an experimental
Computer
Network.
Concept
–
No
Server, but equal
importance/participation
to
every computer in
the
Network.
E
v
e
n
i
f
,
o
n
e
o
r
t
w
o
n
o
d
e
d
e
s
t
r
o
y
e
d
t
h
a
t
w
i
l
l
n
o
t
a
f
f
e
c
t
t
h
e
N
e
t
w
o
r
k
.
Brief
History
(cont…)
In
1982
the
word internet
started.
1986: First “freenet” created
in
Case Western
Reserve
University
1991:
US
government allowed business
agencies
to connect to
internet.
Now all peoples
can
connect
to
internet and
improve
their
life
and
work
quality.
The internet
support
various aspects in our
life.
How to
connect to
Internet
Internet
Services
WWW
Webpage
/
Homepage
Web
Publishing
Web
browser
Search Engine
Protocol
Internet protocol
DNS
HTTP
URL
ISP
FTP
HTML
Newsgroup
Video
conferencing
Telnet
Forum
WWW
The
World Wide Web,
commonly
known as the Web,
is
a
system of interlinked hypertext/hypermedia
documents accessed
via
the
Internet.
Hypertext
is
text displayed on
a computer or
other
electronic
device
with references
to
other text that
the
reader can immediately access, usually by
a mouse
click
or
key press
sequence.
Hypermedia is used
as a
logical extension of the term
hypertext in which graphics,
audio, video, plain
text
and hyperlinks intertwine
to
create
a
generally non-
linear medium
of
information.
Creator:
Timm
Berners-Lee,
1989.
Di
f
ferent
T
yp
e
s of
W
eb
Browsers:
Chrome
M
o
z
i
l
l
a
F
i
r
e
f
o
x
I
n
t
e
r
n
e
t
e
x
p
l
o
r
e
r
S
a
f
a
r
i
O
p
e
r
a
M
i
n
i
N
e
t
s
c
a
p
e
N
a
v
i
g
a
t
o
r
Thank
you
Explore the world of computer networks, delve into the history of the internet, learn how to connect to the internet, discover internet services, and understand the significance of the World Wide Web. Gain insights into different types of web browsers and browsers. A comprehensive introduction to the vast realm of networking and online connectivity.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
E N D
Presentation Transcript
COMPUTER NETWORKS M.INBAVEL ,Asst Prof, DEPT OF BCA, SRI VASAVI COLLEGE,, ERODE
Introduction The Internet or Net (network of networks) is the largest computer network in the world that connects billions of computer users. The word internet comes from combination between interconnection and Network Network is a collection of computers and devices connected via communication channels and transmission media allow to share resources (hardware, software, data, information). Generally nobody own internet.
Brief History (cont) ARPA Advanced Research ProjectAgency. 1969 January 2 started an experimental Computer Network. Concept No Server, but equal importance/participation to every computer in the Network. Even if, one or two node destroyed that will not affect the Network.
Brief History (cont) In 1982 the word internet started. 1986: First freenet created in Case Western Reserve University 1991: US government allowed business agencies to connect to internet. Now all peoples can connect to internet and improve their life and work quality. The internet support various aspects in our life.
Internet Services WWW Webpage / Homepage Web Publishing Web browser Search Engine Protocol Internet protocol DNS HTTP URL HTML ISP E-mail Newsgroup Video conferencing FTP Telnet Forum
WWW The World Wide Web, commonly known as the Web, is a system of interlinked hypertext/hypermedia documents accessed via the Internet. Hypertext is text displayed on a computer or other electronic device with references to other text that the reader can immediately access, usually by a mouse click or key press sequence. Hypermedia is used as a logical extension of the term hypertext in which graphics, audio, video, plain text and hyperlinks intertwine to create a generally non- linear medium of information. Creator: Timm Berners-Lee, 1989.
Different Types of Web Browsers: Google Chrome Mozilla Firefox Internet explorer Safari Opera Mini Netscape Navigator
