A block diagram of a basic implementation of the MIPS instruction set depicting the most important building blocks, multiplexers, and control lines is shown in the figure below. This implementation supports only nine instructions: 1w, sw, add, sub, AND, OR, slt, beq, and j. Branch PCMux MI RegMux Add ul ALU operatior Data Reg[Rs] MemWrite Register # Register # Register # RegWrite Imm PC Address Instruction Registers ALU Address Zero Instruction memory Data memory Data MemReac Control Consider the following instruction Instruction Interpretation For this instruction, answer the following two questions AND Rd, Reg [Rd] Rs, Rt = Reg [Rs] AND Reg[Rt] (a) [4 points] What are the values of the control signals generated by the control unit for the above instruction? (b) [2 points] Which hardware resources shown in the figure do not perform a useful function for this instruction