The Internet is often referred to as the Information Superhighway where highway connects you to millions of other people and organizations. Unlike typical highways that move people and things from one location to another, the Internet moves your ideas and information. The web provides easy-to-use, intuitive, multimedia interfaces to resources available on the Internet. It has become an everyday tool for all of us to use.
1.The Internet and Web
- The Internet was launched in 1969nwhen the United States funded a project that developed a national computer network called Advanced Research Project Agency Network (ARPANET).
- The Web was introduced in 1991 at the Centre for European Nuclear Research (CERN) in Switzerland.
- The Internet was all text-no graphics, animations, sound, or video but Web include these elements.
- The Internet is the actual network. It is made up of wires, cables, satellites, and rules for exchanging information between computers connected to the network.
- Being connected to this network is often described as being online.
2. Common Internet Uses:
- Communicating: the most popular Internet activity.
Ex: Exchange email with your family and friends anywhere in the world.
Join and listen to discussion and debates on a wide variety of special interest topics.
- Shopping: fastest growing Internet application.
Ex: window shop, look for the latest fashion, search for bargains, make purchases.
- Searching: information has never been more convenience.
Ex: Virtual Libraries, international news
- Entertainment: options are nearly endless.
Ex: live concerts, movie previews, book clubs and interactive live games.
- Education or e-learning: rapidly emerging Web application.
and graduates school credit.
3.Access
The Internet and the telephone system are similar-you can connect a computer to the Internet much like you connect a phone to the telephone system. When provided with a connection to the Internet, you can use a browser program to search the Web.
1. Providers - The most widely used commercial Internet service providers are national and wireless providers.
The Internet and the telephone system are similar-you can connect a computer to the Internet much like you connect a phone to the telephone system. When provided with a connection to the Internet, you can use a browser program to search the Web.
1. Providers - The most widely used commercial Internet service providers are national and wireless providers.
- National Service Providers like America Online (AOL) are the most widely used. They provide access through standard telephone or cable connections.
- Wireless Service Providers offer Internet connections for computers with wireless modems and a wide array of wireless devices.
2. Browsers - are programs that provide access to Web resources. This software connects you to remote computers, opens and transfers files, displays text and images, and provides in one tool an uncomplicated interface to the Internet.
- Three well-known browsers including :
Google Chrome
Mozilla Firefox
Microsoft Internet Explorer
3. URLs - Uniform Resource Locators is a location or address of the resources must be specified.
- The first part presents the protocol used to connect to the resource. Protocol are rules for exchanging data between computers. The protocol http is the most widely used Web protocol.
- The second part presents the domain name. It indicates the specific address where the resource is located.
- The last part of the domain name following the dot (.) is the top-level domain (TLD). It identifies the type of organization.
Basic part of a URLs
4.Communication
TYPE OF COMMUNICATION
[A] Electronic Mail (E-Mail)
Transmission of electronic message over the internet
SPAM is a JUNK and/or UNWANTED EMAIL. COMPUTER VIRUS or DESTRUCTIVE PROGRAMS are often attached to unsolicited email. SPAM BLOCKERS known as JUNK MAILS FILTERS / ANTI-SPAM PROGRAMS incorporate a myriad of approached to IDENTIFY and CONTROL SPAM.
[B] Instant Messaging
extension of email
live communication between two / more people
First IM launch before YAHOO messanger
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~ ~We CAn Do Video Conferencing, file Sharing and REmote ASSistance Through IM~ ~[C] Social Networking
REUNITING SITE
FRIEND OF A FRIEND SITES
COMMON INTEREST SITES
WEB LOGS / BLOGS
Posting that are timestamped and arranged with the newest item first
MICROBLOGS
Publishes short sentences like twitter
WIKIS
A web site specially designed to allow visitor to fill in missing information
5.Search Tools
- Search Engine
- Metasearch Engine
- Specialized Search Engine
- Content Evaluations
1. SEARCH ENGINE
- Specialized programs in locating information on the Web and the Internet
- Lecture By Madam Sharin Hazlin on 17th Jan 2011 ; "Results are very important of the search". If you put the wrong keyword, you may not get what you want".
- Types of searches;
a) Keyword Search
b) Directory Search
b) Ex: PRODUCT DIRECTORY SEARCH
Search Engine Optimization (SEO)related links
This video reviews the two most popular search engines, Google and Yahoo as well as the two newest search engine, Bing and Wolfram Alpha
2) METASEARCH ENGINES
- Programs that automatically submit your search request to several engine.
- The engine receive the results, eliminates duplicates, order hits and then provides the edited list to you.
Example of Metasearch site:
The best Metasearch engine, www.dogpile.com
www.ixquick.com
3) SPECIALIZED SEARCH ENGINES
- Programs that focus on subject specific sites (specific type of search)
- It can save your time by narrowing your sites
Examples of specialized search engines:
www.eco-web.com
www.historynet.com
www.medsite.com
4)CONTENT EVALUATION
- Not all information on the web is accurate
- Ways to evaluate accuracy of Web information include:
a)Authority
b)Accuracy
c)Objectivity
d)Currency
d)Currency
6.Electric Commerce (E-Commerce)
What it is ?
E-Commerce is a short form from word Electric Commerce. It is a business transaction via electronic network such as the internet. Anyone who wish to buy or sell online must have a computer and internet connection.
Types
- Business-to-consumer (B2C) - sell goods or services to public
Allows the customer to make purchases by enter personal data and the method of payment into a secure internet connection
2. Consumer-to-consumer (C2C) - Occur when one customer sell directly to another such
as in an online auction. With online auction, users bid on an item being sold with someone
else. The highest bidder with no one reply is considered winner and have the right on
that product.
 |
| eBay is one of the most popular online auction website |
3. Business-to-business (B2B) - Many business provide services and products to other
business such online advertising, recruiting, credit, sales, market research, technical
support and training.
business such online advertising, recruiting, credit, sales, market research, technical
support and training.
 | ||||
| Most E-commerce actually take place between business |
7.WEB BASED APPLICATION
FTP
- Refer to File Transfer Protocol (FTP) and Secure FTP (SFTP) are Internet standards for transferring files.
- Using FTP software, you can copy files to your computer from specially configured FTP servers. This is call downloading.
- You can also use FTP to copy files from your computer to another computer on the Internet. This is call uploading.
Nowadays, there are many internet security software to provide best for users demand. The main invention of this software is to give parental control from blocking any unwanted website which can be harmful to computer as well as users. Usually internet security suites provide firewall, POP email scanning and spam filtering, as a tool to keep an eye on the other devices connect to your local network and many more.
Some of the best internet security suites :
Some of the best internet security suites :
- AVG internet security
- BitDefender total security
- CA internet security suite
- Kapersky internet security
- Norton internet security
- Panda internet security
- McAfee total protection
- Zone alarm extreme security
