Videoconferencing

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dedicated system = a computer system capable of performing 1 specific task embedded system = a computer system within a larger system that performs a specific task dedicated server = a single computer in a network reserved for serving the needs of the network echo-cancellation = a method used in telephony and telecommunication which removes echo codec = a device or computer program that encodes or decodes a data stream or signal video bridge = a communication setup used in video conferencing to connect and collaborate multiple locations or points into a common conference bandwidth = the amount of information that can be sent between computers, over a phone line, using radio signals

EFL subset that concentrates more on language in context than on grammar and language structures. It covers topics from accounting or computer science to tourism and business management. "Specific" means the studying through a field that is already known and relevant to a student.