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Q 1 ) An arithmetic and logic unit ( ALU ) performs integer and logic operations. Implement ( draw a minimized logic circuit ) the

Q1) An arithmetic and logic unit (ALU) performs integer and logic operations. Implement (draw a minimized logic circuit) the logic of a simple ALU that performs 2-bit addition and subtraction. Assume the operands are A1A0 and B1B0, and the output is C1C0. The control signal Op is only one bit, which selects addition or subtraction. Two ways to solve this. (a) Use 2 bit adder (half adder + full adder) with inputs to it being modified based on Op signal, or (b) start from a truth table. Then you may have to develop a truth table and use K maps for 5 variables leading to a large circuit. See next page for help. Recall that subtraction is done with adding after making the subtrahend negative (2's complement) regardless of whether arguments are signed or unsigned.
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