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This Concept Map, created with IHMC CmapTools, has information related to: chp5, Bandwidth which is the maximum rate that the hardware can change a signal., communication hardware is classified as asynchronous if the electrical signal the transmitter sends does not contain information that the reciever can use to determine where individual bits begin and end. ???? the simplest electronic communication systems use a small electric current to encode data., can be full duplex and half duplex Half Duplex or simplex transmission, which allows data to flow in both directions but only permits transfer in a single direction at any given time, ensure that communication hardware bulit by different vendors will interoperate, the specifications for communication system are standardized like RS-232-C: specifies the details of the physical connection as well as the electrical details., Local Asynchronous Communication transmissions can be full duplex and half duplex, Local Asynchronous Communication Communication is asynchronous when a sender and reciever do not need to coordinate before data can be transmitted., the maximum rate that the hardware can change a signal. is measured in cycles per second or hertz, Local Asynchronous Communication Communication standards ensure that communication hardware bulit by different vendors will interoperate, the specifications for communication system are standardized, Local Asynchronous Communication transmissions Hardware is measured in band:the number of changes in the signal per second that the hardware generates., a sender and reciever do not need to coordinate before data can be transmitted. in a more technical sense communication hardware is classified as asynchronous if the electrical signal the transmitter sends does not contain information that the reciever can use to determine where individual bits begin and end., Local Asynchronous Communication the two primary properties of networks Delay, can be full duplex and half duplex Full Duplex simultaneous transfer in two directions, Local Asynchronous Communication the two primary properties of networks Bandwidth