1 M8: Analog Signal (Amplitude, Period, Frequency, Phase, Wavlength, Bandwidth) ↗ › 2 M8: Digital Signal (Bit Rate, Bit Length & Levels) ↗ › 3 M8: Types of Signal Impairment: Attenuation, Distortion & Noise ↗ › 4 M8: Signal-to-Noise Ratio (Nyquist Bit Rate & Shannon Capacity) ↗ › 5 M8: Analog to Analog: Amplitude, Frequency, Phase Modulation ↗ › 6 M8: Transmission Mode (Serial & Parallel) ↗ › 7 M8: Multiplexing in Data Communication ↗ › 8 M8: Previous Data Communication QnS ↗ ›