internet
TRANSCRIPT
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INTERNET AND E-MAIL
Internet Is a global connection of computers/hosts via a huge NW of telecommunication links.
The Internet allows one to access to a whole resource of data and information stored at different sites in the world
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Importance of Internet• Provides speedy and inexpensive means of
communication.
• Provide access to World wide information on different issue.
• Gives access to news and information e.g. From www.ippmedia.com
• Offers the best media for advertisements.
• Education resources in different subjects and education centers advertisements
etc.
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Basic Terms
• Computer Network
Is a group of computers connected together by network cables sharing information.
• Server
Is a computer that provides internet services to other computer in the network.
• Web Browser
This is a software which gives you access to World Wide Web (www).
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• Host
Is that computer which is globally connected to other computers
• Common web browsers used are(i) Internet Explorer(ii) Netscape Navigator
Uniform Resource Locater (URL)
Is a means of specifying the pathname for any resource on the internet.
E.g. http://www.udsm.ac.tz
http://www.bbc.co.uk/swahili
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3 ways of entering URL:-• World Wide Web (WWW)
Is a collection of host machines which delivers documents, graphics and multimedia(sound, video) to users via the internet.
• Hypertext Markup Language (HTML):-
This is a language which was designed for creating web
pages which contain hyperlinks.
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Domain
• Domain is the unique name of a computer on the Internet that distinguishes it from the rest.
• Standard organization abbreviations: .com Designates a Commercial site .gov Designates a Governmental site .mil Designates a Military site .net Designates a Networks Services site .edu Designates an Educational site .org Designates Other Organizations
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Searching Information From The Internet
There are basically 2 ways to search information from the Internet:-
• Using Search Engine
• Using Web Directories
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Using Search Engine
• These are web software that are useful for searching information
• You just type your query at a search engine using correct English sentence
• Then click search button
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Examples of Search engine websites
www.yahoo.com
www.mamma.com
www.google.com
www.alltheweb.com
www.altavista.com
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Requirements for Internet Connection
• The following are required for connecting a computer to the internet:
• (i) Media For The Connection • (ii) Internet Service Provider (ISP)• (iii) Software • (iv) Web browser
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Electronic Mail (E-mail)
Is a system for sending and receiving messages all over the world.
• It allows you to electronically create a message, indicate the recipient’s address, send it and receive a reply
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Creating an e-mail account
• An E-mail address is composed of the username, the machine name, the network and the top-level domain name
• username@machine_name.network.top-level_domain
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Creating an e-mail account
• Open the website e.g www.yahoo.com• Click on Mail• Click on Sign Up Now• Fill the registration form• Submit the registration form• Click Continue to Yahoo Mail
Note: Sign out once you finish reading you mails.
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Basic terms in your Account Page
• Check Mail – check the incoming emails
• Compose – send emails
• Addresses – store other people’s addresses
• Inbox – store incoming emails
• Trash – Unwanted emails
• Mail Options - Customize your account
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Inbox
• Click on Inbox hyperlink • Click on the subject to open the
incoming messages• You can reply, forward it to another
person, delete it or go back to your inbox to read other emails.
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Compose
• Basic Terms • To – receiver’s e-mail address • Cc – carbon copy sent to people who should
be aware of this email • Bcc – blind carbon copy • Subject –summary of the message• Attachments – send files stored in your
computer together with the email • Send – click send button to send your email • Sign out-enables you to quit the mail
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Log in to your account
• • Open the website address• Click on Mail• • Type the e-mail address and • the password• • Click Sign in button
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Forwarding Messages
• Select a message to forward
• Click on Forward
• Type the e-mail address, subject and supporting message
• Click Send
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Saving an Attachment
• Download the attachment
• Choose Save the file to a disk
• Specify the disk drive
• Click Save
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Sending Attachments/Files
• Type the e-mail address, subject and main message
• Click Attachments • Click browse to specify the of file name and
location • Click Attach Files, click Done• Click Send to send the attached file • Display back the inbox
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Opening the Address Book
• Click on Addresses
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Adding Contact to the Yahoo Address Book
Send the message to a person
• Click Add to Address Book
• Type the name of the person
• Click Add to Address Book
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Blocking e-mail address
• Click on Mail Options
• Type the e-mail address
• Click Add Block
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Chatting on the Internet
• Double Click Yahoo! Messenger • Enter e-mail address and password• Click Log in