Answer Posted / saravanan m

analog input and output signal is nothing but they are
formed as a physical quantity,they should be measured and
indicating using any analog devices. example ac current
represent as sine wave form
analog and digital signals can possible to convert from one
form to another using DAC or ADC
but the digital input and output signals having two level
if they high means 1 or low means 0 example : same sine
wave represent as 0s and is at binary representation

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