Wednesday, 24 June 2015

unit 28 p1/m1

Web architectures

Internet service provider (ISP)

The web architectures helps with providing internet access as well as employing a lot of technologies to connect users to their network and is an organisation with many different aspects which include

-hosting
-internet access
- mailbox

-virtual
-transit
-commercial
-non-profit
-privately owned
-community-owned
-privately owned

Web hosting services;

Web hosting service is a type of internet service which allows individuals and other organisations to make their own websites easy to use and easy to access via the world wide web. Web hosts are different companies that provide spaces on a server or allow use for others, they also provide internet connectivity in the data center.

Domain structures

Domain structure can be broken down in to first level domains, top level domains (TLD) or sub level domains (SLD). TLD is a common domain and includes .com .info .org and .net which are used the most. TLD can represent country codes e.g- .us. They contain information which forms the web address and allows you to access the right site and get you there quickly.

Domain name registrars

A domain name registrar is the thing that provides a domain registration service to individuals or other companies that are looking to create their own web address e.g- companies that provide this service are the big big websties such as Google and Bing.

WWW- World Wide Web

The World Wide Web is a huge system and contains computer networks and internet servers that can support things like formatted documents, World Wide Web is all internet access and anything you type into a computer you have to have WWW at the start to get anywhere, it includes hyper text documents and other digital resources that can be accessed through the internet, it is most commonly referred to as the web.

 



Components

Hardware;

Computer hardware, is the collection of machinery parts that make up the computer system, the physical parts of it is the
-monitor
-keyboard
-mouse



Routers

Routers will use information from an data packet which is coming into the computer and will detect the destination of the data packet before it reaches its next output service. It forwards the data packets to all of the other different networks, they connect to more than two data lines from these different networks.

Software

Software

Software is a machine which has readable instructions that direct a computers processor to make sure it performs to the best of its ability and to make sure it does all of the correct operations, it works with the hardware which i have already spoken about. It is used in a computer to perform such tasks like web browser and email. 

 M1


Web 2.0;

This term describes the second generation of WWW that is only set on the ability for people to discuss with each other on how to share valuable information. A example of web 2.0 is social networking sites, blogs and video sharing, for example Facebook would not exist without web 2.0, as it is data based driven so once you post something for example a status it goes live straight away. 



Blogs;
A blog is a website which is updated a lot and is a website were an individual posts informal writing on their for others to open and read if they want too but some peoples blogs can be set to personal so no one else can see them. By reading someone else's blog you can gather an idea of there personality as their information normally reflects who they are an a person. An example of someone to use a blog is a celebrity this is so people can be aware of their tour dates or when they are performing. It also allows people to like your blog and comment on it.

Online application

An online application is a program which runs through the web browser and relies on the web browser to allow certain applications but some online applications include flash games and pop ups. E.g- Google drive, this when you can use something online without having the software on your computer so that you access different sites without actually having it installed.

Cloud computing;

Cloud computing is where you can store and access data and is a very easy thing to use, you can access programs like the internet and this way you will not have to use the computer's hard drive e.g ICloud and Dropbox- automatic backup of something on your phone, so that it is there too access easily.



























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