ITEC 1010 Chapter Notes - Chapter 4: Computer Network, Very-Small-Aperture Terminal, Geolocation
3 Feb 2017
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Chapter 4 telecommunications, the internet, intranets, and extranets. Telecommunications medium: any material substance that carriers an electronic signal to support communications between a sending and receiving device. Telecommunications refers to the electronic transmission of signals for communications, by such means such as a telephone, radio and television. Telecommunications is creating profound changes in business because it lessens the barriers of time and distance. Channel bandwidth : the rate at which data is exchanged, usually measured in bits per second (bps) Broadband communications: a relative term but generally means a telecommunications system that can exchange data very quickly. Transmission media can be divided into two broad categories: guided transmission media and wireless. Guided transmission media in which communication signals are guided along a solid medium. Wireless in which the communications signal is broadcast over airwaves as a form of electromagnetic radiation.
