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The word “browser” originated prior to the Web as a generic term for user interface that enables to browse
navigate through and read text files online. Many people use web browsers to access to the Internet and it
is being seen almost as a necessity.
s a client it uses ypertext ransfer rotocol to make re uests to the eb Server throughout the
Internet on behalf of the browser user. Most browsers support e-mail and the File ransfer rotocol F but
a Web browser is not required for those Internet protocols and more specialised client programs are more
popular.
Popular Web Browsers
Firefox: developed by Mozilla.
Google Chrome: currently one of the most commonly used browsers developed by Google.
Opera: a fast and stable browser that’s compatible with most relatively operating systems.
Safari: a browser for Apple computers and mobile devices.
Microsoft Edge: used as a replacement for Internet Explorer in Windows 10.
Internet Explorer: relegated to the past, Microsoft has mostly replaced Internet Explorer with Edge.
Do you know?
he first browser called N S Mosaic was developed at the National enter for Supercomputing
Applications in the early ‘90s.
Web Address
On the Internet there are numerous web sites it is only with the help of web address that we can find a
particular website. Web address is the name for identifying a website on the Internet.
Domain Name System (DNS)
he omain Name System NS is the Internet s system for mapping alphabetic names to Internet rotocol
I addresses. For example when a eb address is typed into a browser a NS uery is made to find
an IP address of a Web server associated with that name. Text-based addressing system on the Internet is
called omain Name System NS . In this system each website has a uni ue name such as oracle.com cbse.
nic.in, etc.
he last three letters of the web address is said as op evel omain that provides information about
the root of the domain for the type of organisation to which the address belongs to. It is alphabetical and
helps to identify an address in Domain Name System.
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