CHAPTER 3 : INTERNET TECHNOLOGY (3.3 Internet Services) (3.4 Types of Websites)
CHAPTER 3 : INTERNET TECHNOLOGY (3.3 Internet Services)
(3.4 Types of Websites)
•Instant Messaging (IM)
•A type of online chat which offers real-time text transmission over the Internet.
•A private chat that allow registered users to communicate in real time
•Real time means users and the people with whom they are conversing being online at the same time.
–Yahoo Messenger, Facebook Messenger and WhatsApp Messenger.
•A real-time Internet service that notifies you when one or more people are online and allows you to exchange messages or files or join a private chat room with those people.
•Voice Over Internet Protocol (VOIP)
•A technology that allows user to make voice calls using an Internet connection instead of a regular telephone line. (also called Internet Telephony).
•Advantage of VoIP
–Do not incur extra charge beyond what the user is paying for Internet access.
•Disadvantage of VoIP:
–Some VoIP services don't work during power outages and the service provider may not offer backup power.
•Electronic Mail (e-Mail)
•email is non-real time messaging
allows users to create, send, receive, forward, store, print, and delete e-mail messages
•Consist of simple text or can contain attachments, such as documents, graphics, or audio/video clips.
•Examples of email program:
–Outlook, Windows Live Mail, Gmail, Windows Live Hotmail
•E-mail is an internet service that allows the transmission of messages and files via a computer network.
•E-mail address is a combination of a username and a domain name that identifies a user so that he or she can receive Internet e-mail.
•Example of email address:
•Also called Internet Forum.
•Other names - discussion board, discussion group, discussion forum, and online forum.
•An online discussion site where people can hold conversations in the form of posted messages.
•A discussion forum is hierarchical or tree-like in structure.
•An Internet site where users can post comments about a particular issue or topic and reply to other users' postings.
•A forum can contain a number of subforums, each of which may have several topics.
•World Wide Web (WWW)
the Web, is a system of interlinked hypertext documents accessed via the Internet
•With a web browser, one can view web pages that may contain text, image, video, and other multimedia, and navigate between them via hyperlinks.
•File Transfer Protocol (FTP)
is a process of transferring documents, graphics, and other objects from a computer to a server on the Internet.
is a process of a computer receiving information, such as Web page, from server on the Internet.
•An Internet standard that permits file uploading and downloading with other computers on the Internet.
Types of Website
•Web site is a collection of related Web pages and associated items such as documents and pictures, stored on a Web server.
•Web is a worldwide collection of electronic documents.
•Web page is an electronic document on the Web, which can contain text, graphics, animation, audio, and video.
•Wikis usually collect recent edits on a Web page so someone can review them for accuracy.
•Difference between wiki and blog.
–Wiki contents can be modified by anyone.
–Blog contents can only be modified by the blogger.
•A collaborative Web site that allows users to create, add to, modify, or delete the Web site content via their Web browser.
•Examples of wiki:
•Online Social Network
•A media sharing Web site is a specific type of online social network that enables members to share media such as photos, music, and videos.
•A Web site that encourages members in its online community to share their interests, ideas, stories, photos, music, and videos with other registered users.
–vlog (a video blog) – a blog that contains video clips.
–Microblog – allows users to publish short messages (ex: Twitter)
–Blogosphere – worldwide collection of blogs.
–Vlogosphere – all vlogs worldwide.
–Blogger – blog author.
–Vlogger – vlog author
•Purpose of blogs:
–Businesses create blogs
•to communicate with employees, customers, and vendors.
–Teachers create blogs
•to collaborate with other teachers and students.
–Home users create blogs
•to share aspects of their personal life with family, friends, and others.
•An informal Web site that consists time-stamped articles in a diary or journal format, usually listed in reverse chronological order.
•Many of these companies also allow you to purchase their products or services online.
•A Web site that contains content that promotes or sells products or services.
•Malaysia Airlines Online Booking Website
–A Web site that joins a specific group of people with similar interests or relationships.
–Offer online photo albums, chat rooms, and other services to facilitate communications among members.
•Examples of public portals:
–Google, Yahoo!, Excite, GO.com, Lycos, MSN
•Services offered by portals:
–Search engine and/or subject directory;
–Sports and weather;
–Email and other communication services
–Reference tools (such as yellow pages, stock quotes, and maps)
•A Web site that offers a variety of Internet services from a single, convenient location.