Explain the process for converting analog to digital signals in ADC $[6$ Marks$]$ b$)$ Find the output from a $5-$bit Bipolar DAC with $15$V reference for input of $10.$ Use the given formula. $=(212)[5$ Marks$]$ c$)$ Find the output voltage of a $4-$bit DAC with an $10$V reference if the input is $11102?$ Hint: $=[121+222+...+2][5$ Marks$]$ d$)$ Find the successive approximation ADC output for a $4-$bit converter to a $7\mathrm{.}25$ V input if the reference is $25$V$.$