4. Consider the following expression: M = U/(V*W+ X*Y - Z). a) List a sequence of instructions to evaluate this expression on a computer architecture with two-address arithmetic instructions (ADD,...

Extracted text: 4. Consider the following expression: M = U/(V*W+ X*Y - Z). a) List a sequence of instructions to evaluate this expression on a computer architecture with two-address arithmetic instructions (ADD, SUBT, MULT, DIV), and STORE and LOAD instructions where one of the operands must be a register. Assume registers R1, R2, R3, ..etc and you must use the least number of registers possible to complete the arithmetic. b) How many registers needed to complete this expression?