SS2 Third Term Computer Studies Lesson Note – Electronic Mail Services II

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WEEK 10                                                      

TOPIC:  ELECTRONIC MAIL (E-mail) SERVICES (Cont’d)

CONTENT: 

1. Features in an e-mail address
2. Differences between e-mail and website address feature
3. Definition and Steps involved in Chatting

Sub-Topic 1:  FEATURES IN AN E-MAIL ADDRESS

E-mail Addresses: an e-mail address is a combination of a user name and a domain name that identifies a user so he or she can receive internet e-mail. A user name is a unique combination of characters such as alphabets and numbers that identifies a specific user. It is unique addresses that are used to locate and identify someone’s email account on the internet. Every e-mail user has his or her unique address. Examples of an e-mail address are: folowoseledeborah@gmail.com, odatuwafavour1@hotmail.com

Internet e-mail addresses usually have a form such as “editor@encarta.microsoft.com” –where ‘editor ‘is the e-mail account name and encarta.microsoft.com is the domain identity of the computer hosting the account.

An email address is made up of the following four features;

(i)        The Username:  This is the first part of an email address, the name of the person or organization who owns the email address.

(ii)       The @ (at) sign:  This sign is used to link the username and the website that owns it.

(iii)      Host:  The name of the organization that maintains or owns the mail service, e.g Yahoo, Google, Hotmail, etc.

(iv)      Site type or Domain:  The website is registered in a domain with an extension. The extension is determined by the type of entity that owns the website. The table below gives some of the commonest domain names:

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