CS270 Introduction to Computer Architecture II Instructions: Copy the questions into a word-processing document such as Microsoft Word. Then add your answers and save the completed document as a single PDF file. Submit your PDF file via Blackboard. Question 1 is 25 points, Question 2 is 50 points, Question 3 is 25 points. Question 1. Assume that the CPU is executing an OR instruction: or $t2, $s1, $s2 where $s1 and $s2 contain the value 000fd182x and 0000 e233x, respectively. a) Show the value (in hex) found at the "Write data" port at the end of the instruction in Figure 4.1. b) Show the values of all eight control signals in Figure 4.1. c) List the resource blocks that are NOT used for this instruction. PCSrc Add X ALU 4 Addresult RegWrite Shift left 2 Instruction (25:21) Read Read address PC MemWrite register 1 Read Instruction [20:16] ALUS MemloReg 0 Read data register 2 Write Read register data 2 Zero ALU U ALU Instruction [31:0) Instruction memory 0 M u result Address Read data Instruction (15:11] x3 Write data Registers RegDst Data Write te memory data Instruction (15:01 16 32 Sign- extend ALU control MemRead Instruction (5:0) ALUOP Figure 4.1