Tuesday, 9 June 2015

Unit 28 Task 1 P1+M1

P1

Web architecture:


ISP

An ISP/Internet Service Provider is a company that provides people and other companies access to the Internet through a broadband router or a dial-up modem.

Web Hosting Services
A web hosting service is a type of internet hosting service that allows people and companies to make their website available on the World Wide Web 






Domain Structure

Domain structure is the term given to how a web address is formed. The top level domain of a web address (.com ect.) is the main section of the address, which depicts the type of website that the address will take you to if you use it.

A few of these would be:

.com commercial
.org organization
.net network
.gov US governmental organisations

Domain Name Registrars 

A domain name registrar is an organization that manages the reservation of internet domain names.

World Wide Web- The Web or the worldwide web consists of pages that can be accessed using a Web browser. The Internet is the actual network of networks where all the information resides.



Components:


Hardware


Proxy Servers- A proxy server is a dedicated computer or a software system running on a computer that acts as an intermediary between an endpoint device, such as a computer, and another server from which a user or client is requesting a web page.



Routers-This is a hardware device routes data from a local area network to another network connection.



Software

Browser- A browser is a program that is used to access and view web pages on your PC. e.g. Google Chrome

Email- Email is a system that is used to send messages over the internet from one person to another similar to normal mail but there is no charge to use the service and its sent the received by the other person almost instantly. e.g. Gmail

M1


Web 2.0- Web 2.0 is the second generation of the World Wide Web in which content is user-generated and dynamic, examples of this would be blogs, wikis and forums.


Blogs- A blog is a website that can act as a diary or journal and anyone can create them, they can be controlled by a single person or a group of people and they can choose to either remain anonymous or not. Blogs are mostly used for people to write their opinions of just about their day. When somebody writes a blog it is in the form of a post which is a single piece of writing on the blog.


Online Application- An online application is a computer program or service that can run in a web browser. Web applications can be things such as online spreadsheets and presentation tools to thing such as online flash games.


Cloud Computing- Could computing is basically internet based computing and the "cloud" is just a metaphor for the internet. Cloud computing mainly consists of online storage and sharing. An example of this would be Dropbox as you can save all kinds of files on their website and share it  with anyone that you choose to share it with.


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