12. 2 Uses of the Internet

Email Email (electronic mail) is the

transmission of e Email addresses are unique and

consist of two parts separated by the @ (‘at’) symbol in the form ‘name@domain name’.

Email Headers To—email address is the address of the

person receiving the message. Cc—carbon copy sends the same message

to other people apart from the main recipient

Bcc—blind carbon copy sends a copy to other people without revealing who else got the message

Subject—is the topic of the message or brief description—this is very useful for the receiver of the message.

Search Engine A search engine is a program that

finds websites and web pages. It accesses a database of indexed websites that can be searched using a keyword.

The index is built by regularly scanning for new websites and accepting submissions from website authors.

Chat A chat provides a real time

conversation with one person or with hundreds of people.

People meet for a chat in a chat room (or chat channel).

A chat room is a virtual room usually on a particular topic where people talk in groups or privately.

Newsgroups (Forums) A newsgroup is an online area in which

users conduct discussions on a particular topic.

People read messages and join in discussions by sending or posting messages.

The original collection of newsgroups is called the Usenet (Users’ network).

Newsgroups are read each day by people from all over the world and provide a large diversity ofopinion and knowledge.