Search Engine :-> search engine is an application that helps a user in finding information or documents from the Internet.

 The search engine uses a software called spider or webcrawler which continuously crawls on the web to comb out any newly published web document or newsletters and finds their web address.

FTP (file transfer Protocol):-> FTP is a standard Internet Protocol which is used to exchange files between two or more computers on the Internet.

HTTP(Hyper Text Transfer Protocol):-> Hyper Text Transfer Protocol determines how different programs exchange data over the Internet.

SMTP(simple mail transfer protocol):->Is the most common protocol used for sending e-mails between two or more servers.

IMAP(Internet Message Access Protocol):->Imap and POP(post office protocol) are the two most popular Internet standard protocols for retrieving e-mails.

Social networking:-> Is the grouping of individuals into specific groups,who,for example,share interests and/or activities.

Blog:-> A blog is an easy-to-create website that allows users to share their thoughts which the world.

Newsgroup:-> A newsgroup is a discussion about a particular subject cinsisting of notes written to a central internet site and redistributed through Usenet.

Usenet:-> Is an internet service,which enables its users to join a newsgroup for discussing various topics of their interests.

Telnet:-> Is a internet service which is used to establish a connection between different computers,which may be geographically apart.