Design a serial subtracter with accumulator for 5-bit
Chapter 18, Problem 18.3(choose chapter or problem)
Design a serial subtracter with accumulator for 5-bit binary numbers. Assume that negative numbers are represented by 2’s complement. Use a circuit of the form of Figure 18-1, except implement a serial subtracter using a D-CE flip-flop and any kind of gates. Give the state graph for the control circuit. Assume that St will remain 1 until the subtraction is complete, and the circuit will not reset until St returns to 0.
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