Page 351 - IT 402 v2.0 class 10
P. 351
Uniform Resource Locator (URL)
ach web page has a uni ue address or location that is called as . It identifies the location on the Internet.
eb browsers utilise to open or retrieve files on Internet. he format of a consists of different parts.
orld ide eb TLD (Top Level Domain)
https www.orangeeducation.in inde .html
Protocol Name Domain Name RL or path to
le folder
he first part of the indicates the protocol being used. It tells the browser what type of server it is
connected to and by which protocol.
he second part of the is a Full ualified omain Name F N that defines the web address.
he third part is the path name that refers to the location of files. he path name is always preceded by single
slash after the domain name and the fourth part is the name of file extension.
URLs can be categorised into:
i. Absolute URL: bsolute s are the s with complete Internet address. n bsolute includes
protocol, host, path and name of the resource. For example, www it_peoples.com/index.htm.
ii. Relative URL: relative is not fully complete but it inherits the protocol host and the path from its
parent document the document file that links to it . elative s are used to refer links on the same
server.
Most of the web pages are identified by relative where hyperlinks point to last destination documents
and other files which are located on the same site e.g. link.htm.
N ot e s
Such
location
location
Such
a
a
end
s
to
resource.
a
kind
resource.
kind
a
of
s
within
of
within
Some
Some s refer to a location within a resource. Such kind of s end with followed by an anchor
Some
followed
by
anchor
anchor
an
by
an
followed
with
refer
with
to
end
refer
s
s
http: somesite.com htmt top.html section
http: somesite.com htmt top.html section
is
is
called
called
that
identifier
identifier that is called the fragment identifier. For example http: somesite.com htmt top.html section
that
identifier
the
For
identifier.
For
example
example
fragment
the
fragment
identifier.
Internet Service Provider (ISP)
ISP provides accessibility to use Internet through its server. An Internet Service Provider usually supplies the
access rights with a username and password.
Some IS s are SN harat Sanchar Nigam imited M N Mahanagar elephone Nigam imited eliance
etc.
Web Application 349

