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graphic communication is the process of conveying a message through the use of visual art e.g pictures, drawings e.t.c. Surendra Pathi. + 1 other found this useful.
Wednesday, 10 April 2013. Simplex, Half Duplex, Full Duplex Communication Channel. A communications channel can be defined as a pathway over which information can be conveyed. A channel can be defined by a physical wire that connects communicating devices, or by a radio, laser, or other radiated energy source that has no obvious physical presence.