0:16 Introduction, 2:07 Need for ADC and DAC, 2:40 Limitations of Analog signals, 3:26 Advantages of Digital signals, 5:01 Steps for Analog to Digital Conversion (ADC), 5:22 Sampling, 5:49 Nyquist theorem, 6:26 Aliasing Effect, 6:58 Anti-Aliasing Filter (Square Wave), 8:16 Quantization, 8:54 Quantization Error and Resolution, 12:14 Transfer function graph of ADC, 15:40 Block Diagram of ADC, 16:23 Two-bit ADC working, 18:50 Digital to Analog Converter (DAC), 19:08 Weighed Resistor DAC working, 22:56 Resolution DAC, 23:55 Timing Diagram of DAC, 24:55 Parameter of ADC and DAC, 25:13 Applications of ADC, 25:24 Applications of DAC.