This podcast will explain in detail various data transmission modes used to transfer data between two devices. There are three mode of data transmission : 1) Simplex 2) Half Duplex. 3) Full Duplex. In Simplex transmission mode data is transmitted only in one dirextion. In half duplex mode, data can be transferred in both directions, but in only 9ne direction at a time. In full duplex mode of transmission, data can be transferred in both direction simultaneously. Keywords: Simplex, half duplex, full duplex, data transmission modes

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