Hardware and software involving network technologies

Web server

A we server holds a live copy a web page that someone has created, that is accessible to anyone who browses the internet.

Browsers

Internet browsers are programs that are run on a computer that transfer the received data into a viewable version of the interactive webpage. Examples include: Firefox, Internet Explorer.

Server Software

Server software is software like FTP (File Transfer Protocol) that allows the user to upload files onto a webpage.

Web Authoring Tools

Web Authoring Tools are different software that enables the user to create and upload webpage(s). Examples include: Dreamweaver, FrontPage.

Database Systems

This is a database on a website that store products, customer record and other information. These databases can be created in languages such as Oracle and MySQL

Programming Requirements

These are different languages that are used to create Webpage�s, like: HTML, PHP, ASP, and JavaScript.

Storage

Storage space is needed on a webpage to hold various items like database records, images, and other items.

Portability

This is the way that the webpage will appear on different size monitors other than a PC, example: mobile phone, PDA.

Download Speeds

This is how fast it takes for the webpage to appear on the screen of for search results to appear.

Browsing & Platform Compatibility

Website designers should take into account that a website should look consistent when it is being view on different browsers and computers.

TCP/IP

This is a protocol (a set of common rules) that is used when transferring data across a network. Computers uses the same protocol when communicate with each other.

IP Addresses

This is a unique number of a computer that is used on a network. An IP Address is four sets of numbers that range from 0 - 255

Ports & Protocols

A port is a virtual door that has a number to identify it, the number of the port relates to a service that that port is used for. Example: 25 � Email, 80 � HTTP (Transfer of webpages). Domain names A webserver has a number to identify it (IP Address). This is difficult for humans to remember, so we use Domain Names instead, example; Google. The Domain Name Server will convert the Domain Name into an IP Address.