7-One of the most dramatic changes in connectivity and communications.docx

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7.One of the most dramatic changes in connectivity and communications in the past five years or so hasbeen a) mobile or wireless telephones b) public and private discussion c) satellite uplinks d) running programs on remote computers 8.The four basic elements of any communication system include a)peer-to-peer, videoconferencing, online photo-conferencing, net optical b)sending and receiving devices, communication channel, connection device, and data transmission specifications c)telephone lines, coaxial cables, fiber-optics cables, and communication channel d)software, hardware, communication channel, network .

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