But at the end of the day you have analogue ears and eyes, and voltages above 5V are needed to drive all sorts if things. Also analogue electronics is the only way to amplify small signals to get them into the digital domain.
But at the end of the day you have analogue ears and eyes, and voltages above 5V are needed to drive all sorts if things. Also analogue electronics is the only way to amplify small signals to get them into the digital domain.