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Chapter 2 E-Business: Mechanisms, Infrastructure and Tools - Coggle Diagram
Chapter 2 E-Business: Mechanisms, Infrastructure and Tools
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Evolution of Internet
Origin of the Internet (1960)
- The US Defense Department began examining ways to connect these computers to each and to connect them to weapon, installation distributed all over the world.
New Users for the Internet
Commercial use of the Internet
- 1980: Companies construct their own internal networks as a personal computers became more powerful, affordable and available.
- 1989: Companies establish limited connection for exchanging e-mails transmissions with users of the internet.
Growth of the Internet
- 1991: the NSF began implementing plans to privatise the internet and completed in 1995.
The Internet of Things
- A combination of computers and sensors connected to each other for communication and automatic transaction processing
Internet Protocols
- Collection of rules for formatting, ordering and error checking data sent across network
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For example: Protocol determine how the sending device indicate that it has finished sending a message & how the receiving device indicate that it has received (or not) the message.
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Hypertext
- hypertext server is a computer that stores files written in hypertext markup language (HTML)
A graphical User Interface (GUI)
- A way of presenting program control functions & program output to users & accepting their input
- uses picture, icon & other graphical elements
- Personal computer use GUI such as microsoft windows or the Machintosh user interface
The World Wide Web
-A system of pages connected by hypertext links would provide many new internet users with easy way to access information on the internet.
- Eg: Netscape navigator web browser, internet explorer, mozilla firefox, apple safari
Deep Web
- In databases that provide results only when user request specific information thru website that maintains the database.
- Available data that is never requested remain hidden
Domain Names
- A set of words assigned to specific IP address
- It can contain two or more word groups separated by periods.
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Markup Language
Hypertext Markup Language
- HTML include tags that define the format & style of text element in an electronic document
- HTML also has tags that can create relationship among text elements within one document or among several document
Extensible Markup Language (XML)
- Create attractive layouts of texts and graphics on the pages with good tool for presenting and maintaining large amount of business data.
Packet Switch Network
- Files and e-mail messages are broken down into smal pieces, called packet, that are labeled electronically with their origins, sequences & destination addresses.
- Packet travel from computer to computer along the interconnected networks until they reach their destination
Routing Packets
- Individual packet ravels from one to one network, the computer that it passes thru determine to most appropriate path for the packet to take to reach its destination
Intranets and Extranets
- Intranet: Internet does in the boundaries of a single organisation.
- Extranet: An intranet that been extended to include specific entities outside the boundaries of organisation, such as business partners, customers, or suppliers.
Virtual Private Network (VPN)
- A connection that uses public network and their protocols to send data in a way that protects the data as well as private network would, but at a lower cost.
Public and Private Network
- Public network is any computer network/ telecommunication that is available to the public
- Private network is leased-line connection between two companies that physically connects their computer &/or network to one another