4.1.1 What are the values of control signals generated by the control in Figure 4.10 for this instruction?

Read register 1 ALU operation Read data 1 MemWrite Read MemtoReg Instructionregister 2 ALUSrc Write register Registers Read data 2 ALU ALU result Read Address data Write data 0 Data Write memory data RegWrite 32 64 MemRead Sign- extend FIGURE 4.10 The datapath for the memory instructions and the R-type instructions. This example shows how a single datapath can be assembled from the pieces in Figures 4.7 and 4.8 by adding multiplexors. Two multiplexors are needed, as described in the example