DCP : Digital communication protocols

HTTP : HTTP means hyper text transfer protocol this is used by the world wide web to find out how a web page is formatted and transmitted so that the right browsers and and servers are needed to carry out the commands to display the page. HTTP is known as a stateless command this mean that it has been done independently without knowledge off command that become before it. An example in how the command happens is when you insert your URL it will send the HTTP command to web server then allowing you to see the web page itself.

Wap : The wap is an another protocol the acronym itself means wireless application protocol this is sent to allow user to access information instantly through handheld devices such as phones and tablets. wap finds sources using micro browsers to open the web page it is used every time you open the Internet  on a smart phone.

GSM: global system for mobiles is used to transmit radio signals using tdma to allow multiple on one radio frequency. It allows to call or text from one phone to an other by transmitting the message through a radio wave. it send the digital information for a phone call.

3G: 3G is short for 3rd generation of telecommunication technology. The system increases phone Internet bandwidth supplying the Internet to many phones at any place and at any time.

4G : 4G is just like 3G id stands for 4th generation it also improves the internet bandwidth for  phones and other portable devices. 4g also enables IP-based voice, data and streaming multimedia at higher speeds. it is also used as wireless technology.

mms: multi media messaging service  is a store or forward method of transmitting graphics, images video, sound and short text messages over wireless networks using the wap protocol. This is used on phones to send email and texts directly to the phone.

GPRS: General pocket radio service is another feature specified for phones, it is a a standard wireless communications which supports a wide range of bandwidths it is particularly suited for sending and receiving small bursts of data such as emails or web browsing as well as large volumes of data.

Bluetooth: blue tooth is short ranged radio technology aimed at simplifying sending communications between two phones . it also aims to simplify data sending between two devices. Bluetooth is used by many devices it is used in wireless printers, phones and computers.

ADSL: adsl is short for asymmetric digital subscriber line it is a type of dsl broadband communications technology used for connecting to the Internet. ADSL allows more data to be sent over copper telephone lines . It is often used when making phone calls over a distance.

broadband: broadband means is used to describe a type of data transmission in which a single medium can carry several channels at once. most communications between computers use broadband . it used mostly when you communicate across the internet.

VOIP: voice over internet protocol this is when you use devices such as skype to talk over the web. It is carried out as the software and hardware enables people to talk over the internet by sending voice data in packets using ip rather than by traditional circuit transmissions. It does not cost as much as an normal amount of cost cost. There are many apps that allow you to use this service such as cool talk and net meeting .

56 Digital communication Task 2

  Definitions

Email - An email is a system of sending digital messages from one device to the other via telecommunications this means over and digital connection e.g the internet. Emailing often uses email accounts online such as hotmail and gmail that send specific emails to you address often shown like joebloggs@hotmail.com. The message will then be shown in the others inbox for them to read.

 A basic layout for an image will look like this :

IM - IM means instant messaging this is done just like emails. The basic definition of instant messaging is the exchange of typed messages between computers in real time via the internet. This can be done through many social media websites such as Facebook,twitter and tumblr. The most common and simple way of instant messaging used to be through services such as msn and chat rooms. This is useful  as people can get across urgent matters and can talk to all those over the world allowing many to communicate and work together.

SMS - SMS stand for short messaging service this is commonly known as texts which allows a cellular device to send and receive messages. Using this system we can send short instant messages from one device to the other allowing for fast communication needed in modern life they are often short less detailed messages from one person to the other just like a telephone call but instead in text form.

 On an iphone and many other devices a conversation would look like this : 

Bulletin boards - A bulletin board is simply a board for displaying messages just like a pin board at home it displays all the messages people want to get across online it allows people  to talk add any information that they want to get across on any subject. They can be seen from any device that is online and are often updated often. It is not just messages that can be shared files and images that need other peoples attention can be shared to . Pinterest is a good example of a board where people can post their thoughts and views this is known as a social media app but is often used for mass communication. An online bulletin board on pintrest can look like this :

Discussion forums - Discussion forums are used for masses of people from all over the world to chat about a specific subject. They allow people to comment on subjects such as films and celebs allowing people to work together on projects they are often misused to abuse people but they can also be used to promote or advertise a person this can be seen like reviews of a specific subject. There are many discussion forums used everyday pro boards and blogs can allow people to talk about specific subjects together . They are like all the subjects above and can be used by most devices in any location .

Weblogs ( blogs) - blogs are  personal websites or webpages which an individuals thoughts or opinions are expressed . It is often used to launch journalism carers in fashion and in many others as it allows everyone to voice there opinions they are often done on a regular basis and have a large following examples of this can be youtubers blogs and bloggers.

Newsgroups- newsgroups are internet groups of internet users that exchange emails about mutual interests allowing fan clubs to build and know about the latest information on a star or movie. Examples of this can be fan webpages as they allow people to talk about that subject together.

Internet telephony - It allows groups to talk together face to face or over the phone turning analog data  to digital data to broadcast it over the internet it does this using such programs as skype of face time on apple devices it has become popular with workers as it allows people to talk together so can be used to work on projects together while still being on the other side on the world. Meaning people do not have to work in the same building to work together. 

Video conferencing - conferencing is video transmissions between two or more people this can be used to set up meeting at work but also talk to family around the world it is now used mostly for work as it can bring many buildings owned by the same company together so they can work on the same project agin you can use skype for this.