五种基本部件1. Terminals2.Tele- processors Modem, multiplexes & front-endprocessors, Digital to Analog or back, Code & decodedata, Control the accuracy & efficiency.3. Telecommunication channels & media Copper wires,Coaxial cable, Fiber optic cables, microwave's system,Communications satellites.4.ComputersMainframe,→ Host computersMinicomputer Front end processorsMicrocomputerNetwork server5. Tele-control softwareMonitors (Mainframe)Network operating systems (Micro)Communication package (Micro)五种基本部件 1. Terminals 2. Tele- processors Modem, multiplexes & front-end processors, Digital to Analog or back, Code & decode data, Control the accuracy & efficiency. 3. Telecommunication channels & media Copper wires, Coaxial cable, Fiber optic cables, microwave’s system, Communications satellites. 4. Computers Mainframe, Host computers Minicomputer Front end processors Microcomputer Network server 5. Tele-control software Monitors (Mainframe) Network operating systems (Micro) Communication package (Micro)