2. Determine the values of the control signals and the portions of the datapath that are not used when executing a "lw" instruction. (Total 10 points, control signals:7 points, the portions of the datapath that are not used:3 points) Morte Control Meme Unit Branch ALUControl ALUS PCS Op Fund RD Beg Weite CLK CLK CUK 2320 WE STOA A1 RD1 Zero ALUResult PC RD Instruction Memory 2010 AZ A3 RDZ WE ReadData A RD Data Memory WD Srce Wo Register Write Data File WriteReges IPCPs4 Signimm 10 Sign Extend PCBranch Result ALUControl Function 000 ALUResult-A&B 001 ALUResult AB 010 ALUResult - A+B 110 ALUResult A-B; 111 ALUResult-A