1 text - a data to be able to communicate. A popular form of data, images, audio, video and text is converted to a binary number not convert images are converted into pixels, etc.!2 sender - a device that transmit information, it can be a computer, phone, etc. 3
- appliance receiving information, it can be a computer. Phone etc.
.4 media - a real path which messages travel from sender to receiver, for example, twisted pair cables, cable coaxial, radio etc.
.5 protocol - a set of rules that control the data communication. It refers to the agreement between the communication devices
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