Tuesday, 29 January 2013

Web





 How does the Web work?




Hardware


Laptop -  has practically the same as a desktop computer, which means, in it you can find a keyboard, a mouse, etc. and the laptop can be rechargeable. You can access to the internet with this hardware, when you using your keyboard you can write, but therefore you will need software to use internet on laptop.

Modem - used by people who don’t have a wireless, etc. you get internet from the modem by connecting a phone line into it and using your phone connection to get internet.

·      The computer may have a built in telephone modem that you can use to dial-up to the internet via a telephone line to Internet Service Providers.
·      Broadband connections - a single box that takes the signal from your cable internet or DSL service and joins to your computer.

Router -It has more competences than other network devices. Though, it may profits the data being sent over a network, change how it is boxed and send it to another network or over a different type of network.

Mail -  is a computer that administers e-mails, joined to the internet; also, it receives and sends emails.






Software



Web Browser - a software application for recovering, presenting and crossing information resources on the WWW (World Wide Web). Also, it can be demarcated as an application software or program aimed to enable users to access and view files proceeds on the Internet.
Though browsers are primarily planned to use the WWW, but also be used to entrance information provided by web servers in private networks or files.
Major web browsers: Chrome, Firefox, Internet Explorer.

E-mail - way of swapping digital messages.It requires an author and recipient, you can also accept, forward, deliver and store messages. Neither the users nor their computers are required to be online simultaneously; they need connect only briefly, typically to an email server, for as long as it takes to send or receive messages.

Proxy Servers - a server which acts as an in-between for requests from people searching resources from other servers. People connects to the proxy server, requesting some service, such as a document, web pages and the proxy server assesses the  request as a way to make things easier and control their density.

Web Server – stores websites that are connected to the internet.


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