Examples of guided media include wired technology such as:.The transmission media can be either guided or unguided.Traditionally, the sources and destinations within information networks were computers, but today there are a wide range of devices capable of exchanging data:.The term ‘network’ in this course refers to data or information networks capable of carrying many different types of communications, including traditional computer data, and interactive voice, video and entertainment products.A receiver is used by the message destination to recover data from the transmission media. A transmitter is used by the message source to place data onto a transmission media.
In computer networks, the media is usually a type of cable, or a wireless transmission. The bits are then encoded into a signal that can be transmitted over the appropriate medium. These can be sent across a data or information network by first converting them into binary digits, or bits.
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