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Ways To communicate using ICT

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WaWays to communicate We communicate in many different ways and for many reasons. ICT has helped communication methods to develop. People all over the world are linked by communication networks. They use cables and computers, satellites and microwaves. The systems can be used to transmit voice communication (analogue) or digital data. The use of digital data means that we can use computer technology to provide different ways to communicate. Telephone The telephone or phone is a telecommunications device which is used to transmit and receive sound (most commonly voice and speech) across distance. Most telephones operate through transmission of electric signals over a complex telephone network which allows almost any phone user to communicate with almost any other. An elementary telephone system consists of two elements: * For each subscriber, the system must contain the equipment necessary to convert sound to electrical signals and back. ...read more.


* They can be connected up within a building so that internal phone calls are free. * Some phones have video screens Mobile phones Mobile phones are actually sophisticated radios. Service providers erect radio masts to broadcast signals. You can contact a person without knowing where they are. Phones store numbers for your contacts. Some have extra features such as calculators, cameras and diaries. Some allow the user to connect to the Internet to check e-mail and view WAP sites. Instant messaging Instant messaging (IM) allows you to set up a list of people online you want to "talk" to. Each user types their message, and the other person can see it straight away. IM lets you exchange files, and you know the other person has received them. ...read more.


They open the message when they next switch on their phone. Messages are cheaper than mobile phone calls. Phones can also send picture messages and video. Fax Fax is short for facsimile - a picture of something rather than the real thing. The fax machine scans a document and sends a black and white picture of it to the receiver. They then print out a copy of the document when it is transmitted. You can only fax to one person at a time, and you pay international rates to send abroad. The document loses some quality as you transmit it. E-mail E-mail (electronic mail) sends messages between computers. The sender writes the message and presses send. The message is then sent to the other person's e-mail server. They download it next time they log on. You can attach files to e-mails for the other person to open and use. You can send e-mail to groups of people at the same time. ...read more.

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