SCSD1513 : Technology and Information System

IT Chapter 2 : The Internet, The Web And Electronic Commerce

The Internet and The Web

-The Internet is the largest global network, connecting smaller networks worldwide
-The Internet was launched in 1969

  • National computer network
  • US funded project called ARPANET

-The World Wide Web or WWW was introduced in 1991 at CERN

Common Internet Uses

  • -Communicating
  • -Online Shopping
  • -Searching
  • -Education or e-learning
  • -Entertainment

Browsers

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Electric Commerce (e-commerce)

3 types of e-commerce such as:

  • Business-to-consumer (B2C)
  • Consumer-to consumer (C2C) 
  • Business-to-business (B2B)

Web Utilities

Specialized utility programs that make using the Internet & Web safer and easier

  • Plug-Ins
  • Filters
  • File Transfer Utilities
  • Internet Security Suites 

Communication

1. Electronic Mail (E-mail)

  • Transmission of electronic messages over the Internet

2. Instant messaging

  • Extension of email that provides direct, live communication between two or more people

3. Social networking

  • Connecting people and organizations that share a common interest or activity

Search Tools

1. Search engines

  • Specialized programs to assist in locating information

2. Web directories

  • Subject directories
  • Organize information according to categories or topics

3. Metasearch engines

  • Automatically submit your search request to several engines simultaneously

4. Specialized search engines 

  • Subject specific web sites

5. Content Evaluation

  • Not all information on the web is accurate
  • Ways to evaluate accuracy of Web information include:
  1. Authority
  2. Accuracy
  3. Objectivity
  4. Currency

 

Cloud Computing

-Shifts computing activities from users’ desktops to computers on the Internet.

-Frees end-users from owning, maintaining, and storing software programs and data.

-3 basic components, there are:

  • Client
  • Service provider 
  • The Internet

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