Understanding Digital Communications Systems.

Digital Communications is a term that stands for messages being digitally transmitted from one source to another, Worldwide Web consortium (w3c) is the main standards organisation for the world wide web, it deals with the developing protocols and making sure guidelines are being followed and in place.

Wireless access protocol(wap) is a device that allows wireless devices such as a mobile device or ipod connect to a network using Wi-fi, places like McDonald's and Starbucks have a Wi-Fi connection in there stores/restaurant's for their customers to use while on their premises. 




3rd Generation Protocols (3g) is for mobile phones and mobile telecommunications , this is the base for mobiles getting wireless mobile voice calls, mobile internet access, Video calls and mobile tv such things like radio and news updates through your mobile device.
Multimedia message service (mms) is where you can send a standard text message but with the addition of multimedia within that text message such as images and videos and sometimes text pages and these can all be sent to other device.
General Packet Radio Service (gprs) is for mobile data service for the 2g and 3g devices, the usage of gprs is charged based on how much data you download or take, it is typically supplied as a bundle or pay as you go which is basically our phone contracts that people are getting more and more recently  which come as a bundle that you pay a certain amount every month.
On most mobile devices these days they all have bluetooth built in which is a cheap and simple way to send images,music, exchange data etc for free over short distances, as this would not work when trying to connect to a device miles away as this has only a short wavelength therefore is safer with higher levels of security. 
Broadband(adsl and cable) which is service that is provided by a service provider such as Virgin,Sky,BT which are all Internet service providers (isp) which means they are a company which provides access to the internet. ADSL enables faster data transmitters through telephone wires, it is routed to telephone companies and eventually meet a internet protocol which is the cable which is the broadband internet connection.


Instant Messaging is a form of text messaging over the internet between two or more people, e.g Windows Live Messenger, Facebook Chat, which lets you communicate with anyone online at that present time and keep in contact through the internet, it is quick and easy way of communicating through the world wide web. Using emails is a way of getting in contact with another person while being offline or online, by using emails you can save emails,drafts,forward etc, within emails you are able to send multimedia through emails such as videos,music,images and texts. Companies use emails to send information to their customers to keep them up to date with the latest news and offers.

Short messaging system(sms) is a form of text messaging on a mobile device being able to send to another mobile device while on the move it enables a person to send a short message to a friend via devices. Most sms messages are mobile to mobile text messages. Another type of messaging through mobile devices are mms which stands for multimedia messaging system which works in the same way an sms does but with added extra of being able to send images,videos with text within a text message.

Using Video and audio conferencing is a way of communicating by visual and audio devices, such software for example Skype, which uses both webcam and headset audio, Skype lets you have video chats with people online across the internet.

Conferencing through virtual communities which means a community that exists online and has members which makes it what it is by taking part, such as Clans for games, such as WarriorNation which is a clan for online gaming which virtual existence is created by its membership, tag within each game and its online forum which own customised avatar,sig and profile.


The worldwide web (www) is a system of interlinked hypertext dicuments accessed through the internet, with a web browser you can view webpages that contain multimedia such as images,text,videos and navigate through hyperlinks.
Uniform Resource locator is basically the URL of a webpage which is a reference to a specific internet resource.
A domain name is the actual site name for example www.facebook.com this would be the top level domain and this would be facebooks domain name, it keeps it simple and easy to spell address and keeps the IP address invisible for most viewers.
Hosting is a big storage internet space which puts all your files onto the internet and makes your webpage go live and be accessible through the web such sites like http://x10hosting.com/.


A web 2.0 site allows users to interact with each other through social media/networking, social networking is a way of information sharing such as Facebook which is a social networking site enabling people to make their own page by adding any content they want about themselves such as interests and general information about them also by using a wall to post their feelings and what they are doing at that moment in time.