Introduction to the Internet, HTML, and Key Internet Concepts

Internet is the world largest computer network, which is
link many different types of computer all over the world. it
is network of networks , which share common mechanism
for addressing (identifying)computers and common set of
communication protocols for communication between the
computers. In the simple word the network of network
which can link one computer to another computer is called
internet. The internet started as a government project in
the 1960 which is called ARPNET(advance research project
agency) which was used in defense research organization

Uses of internet
 Communication
 Software sharing
 Posting of information
 Chat
 Online journals
 Videoconference
 E-Commerce

Information technology has become a must for
organization, business houses. Computer with
internet facility is the main component of an
information technology network. Internet
consist of world wide collection of
interconnected networks. World wide web
(WWW) is one of the most popular services
that we get from internet. Web is a basic page of
website which is developed by using markup
language such as HTML. It stands for Hyper text
markup language. It is a web based
programming language which is used to develop
web based applications , which are easily run on
the internet.

HTML
HTML is a markup language which is used to create
websites. It was invented by Tim Berners Lee in around
1989to 1990. To develop any web page we need to tags in
HTML. The tags are predefine instructions in the HTML.
They are often known as keywords. Like
<html>……</html> every tag has open tag as well as closing
tags . It contain two types of tags . They are
 opening tag: This tag contain only opening tag but it don't
contain closing tag. For example: <br>
Closing tag: this tag contain opening tag as well as closing
tag. for example <p>….</p> for example?????

E-Learning
If the teaching and learning is conducted by electronically
is called e-learning.it supports all forms of electronically
supported materials. information and communication
technology serve as specific media to implement in the
field of teaching and learning process.
e-learning is essentially the computer and network
enabled transform of skill and knowledge throughout the
world.E-Learning refers to using electronic application and
process to learn. This learning include computer based
learning ,web based learning and CD/DVD ROMs etc. like
Distance learning, online university,internet based
training etc.

E-mail
E-mail stands for electronic mail, it is a sending receive
message by computers. This system allow we to send
letters and files containing data of all types from our
computer any other computer with internet and email
address. We can send and receive image video from
one location to another location by the help of email,
to send and receive mail we need a unique address
which is known as email id like
birendrabhatt@gmail.com. birendrabhatt is user id
and @gmail.com is domain id.

Switching
Switching is a technique for traveling data and
information from sender devices to the receiver
devices. It is a way of linking different sender and
receiver devices. It is divided in to two types.
 Circuit switching: circuit switching is a technique
that connect the sender and receiver by a single path
for the duration of conversation. For example uses
address number s to establish path that connect
sender number to receiver numbers The best example
is telephone line.

Switching
 Message switching: message switching doesn’t
establish a dedicated path between station for an
entire conversation . This technique is basically used
in store and forward message.

Domain name
 A domain name is a way to identify and locate
computers connected to the internet. The domain
system is a database system that translate a computer
fully qualified domain name into an IP address. For
example .com, .org, .np, .uk, .gov etc
 URL: it stands for uniform resource locater , it is a
string of character that identifies a particular internet
resource.URL represent a standard addressing scheme
for internet resource. For example : http://
www.gmail.com

Internet service and Technology
 Web browser
 Web site
 Web page
 Home page
 Web server
 ISP
 E-check
 E-payment
 IP Address

 Web browser: Web browser is a web based application
which is used to browser the internet. Web browser access
the internet and WWW , it is basically used to access and
view the web page and web sites which is available on the
internet. For example Google chrome , opera mini etc.
 Web page: web page is single page of web site , it contain
information about particular organization and object.
 Web site: web site is a collection of web page which contain
all the information about particular organization or object.
for example www.psc.gov.np which contain all the
information about public service council of Nepal and
www. Fwu.edu.np, which contain all the information about
far western university of Nepal.

 Home page: The home page is the first page of web
Which contain the main headings of particular web
sites.
 Web server: web server is a palace where different web
sites are located. It means it is a collection of web sites
on the internet. Like www.ntc.net.np
 Search engine: search engine is also a web based
application where we can search all the information
about particular things. www.google.com

 DNS: it stands for domain name server or services .
Domain name is a internet service which translate domain
name in to corresponding IP address because domain
name are alphabetic they are easy to remember. The
internet is totally dependent on IP address. Every time we
use a domain name there fore a DNS must be translate
that domain name in to corresponding IP address. For
example www.ntc.net.np must be translate in to 192.168,1,1.
 ISP: It stand for internet service provider , it is company
which provide internet service to the customer for example
NTC,NCELL,UTL .

 E check : E chick is a check which is processed
electronically. It means that check can access with in a
country.
 WWW: it stands for world wide web it is one of the newest
popular hypertext based internet tool. It allow user to
access and display document graphics which is stored on
any server in the internet. it was invented by TIM
BERNERSLEE in 9 of march 1989 but in become popular
after 1993.
 URL: it stands for uniform resource locator. It is a standard
address , which is used to find the address of web page
which is located on internet. .http:// www.facebook.com

Introduction to the Internet, HTML, and Key Internet Concepts

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Introduction to the Internet, HTML, and Key Internet Concepts