An 8-bit ADC has an input range of 0 to 10 volts and an output range of 0 to 255 (called straight binary). What digital value will be returned when an input of 7.5 volts is sampled?

converting 191.25 to Binary 110011

Explanation:

Input range = 0 to 10volts

output range = 0 to 255

first we have to determine the resolution

= output range / input range

= 255 -0 / 10 - 0

= 25.5

when an input value of 7.5 volts is sampled

digital equivalent o/p voltage = 7.5 * 25.5

                               = 191.25

converting 191.25 to Binary 110011

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explanation: