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COD12 COMPUTER LITERACY. Communication and Connectivity. Internet. Is a collection of local, regional, national and international computer networks that is linked together to exchange data and distribute processing tasks. Data stored in one computer is therefore accessible by another computer.
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COD12 COMPUTER LITERACY Communication and Connectivity Lecture 6, Term 3 - 2007
Internet • Is a collection of local, regional, national and international computer networks that is linked together to exchange data and distribute processing tasks. • Data stored in one computer is therefore accessible by another computer Lecture 6, Term 3 - 2007
Modem A device that sends and receives data to and from computers over telephone lines. Lecture 6, Term 3 - 2007
Resources provided by the Internet • Web sites Various locations in the cyberspace that corresponds to a corporations, a store, a magazine and more. • Search Engine Help catalog a huge portion of the data stored on servers that are connected to the Internet. Lecture 6, Term 3 - 2007
Resources provided by the Internet • Downloading and uploading • Email- electronic messages • Bulletin boards – discussion groups • Blogs Refers to a personal journal posted on the Web for access by the general public. Lecture 6, Term 3 - 2007
Resources provided by the Internet • E-commerce Online activities such as banking and shopping. • Chat groups and instant messaging • Broadcasting Multicasting technology can reach al over the world. Lecture 6, Term 3 - 2007
Resources provided by the Internet • Internet telephony Telephone-style conversations to travel over the Internet to virtually anywhere in the world. Lecture 6, Term 3 - 2007
Uses of Internet • Business • Advertising • Provide access to database • Selling/buying • Distributing products • Provide after-sales service • Voice and video conferencing and other forms of communication Lecture 6, Term 3 - 2007
Uses of Internet • Media and Entertainment companies • Broadcast live radio and television programs. (including audio and video) • Offer on-line chat Lecture 6, Term 3 - 2007
Uses of Internet • Scientists and scholars • Communicate • Perform research • Distribute lecture notes and course materials to students. • Publish papers and articles Lecture 6, Term 3 - 2007
Uses of Internet • Individual • Communication • Entertainment • Finding information • Buying and selling of goods and services Lecture 6, Term 3 - 2007
Electronic Mail • E-mail is the transmission of messages and files via a computer network. Lecture 6, Term 3 - 2007
What is an e-mail message • Is a document that is composed on a computer and remains in digital form so that it can be transmitted to another computer Lecture 6, Term 3 - 2007
Who can use Internet? • Any person with an e-mail account. • An e-mail account provides the rights to a storage area or “mailbox” • Each mailbox has a unique address. fcae@connect.com .fj Lecture 6, Term 3 - 2007
What is an E-mail system? An e-mail system is the equipment and software that carries and manipulates e-mail messages. Lecture 6, Term 3 - 2007
Code Explanation edu Educational facility com Commercial organisation gov Non-military government body mil Military concern org Other organisation net Network resources ac Academic institution au Australia in India us United States of America uk United Kingdom fj Fiji Islands Internet Addresses Lecture 6, Term 3 - 2007
THE END Lecture 6, Term 3 - 2007