Control Signals Instruction (s)MemWrite 1MemRead 1MemtoReg 0MemtoReg 1PCSrc= 1RegWrite= 1RegDst=0RegDst= 1ALUSTC = 0ALUSrcBEQ (if ZERO 1)= 1Operationif (A=B) PC = ALUOut:PC = PC[31-28] || (IR(25-0) « 2)Functional element Instruction (s)MDR =Memory[ALUOUT];Memory[ALUOut] = B;Reg[IR[15-11]]= ALUOUT:Reg[IR[20-16]]= MDR;IR = Memory[PC];Instructionall instructionsMemoryA = Reg[IR[25-21]];B = Reg[IR[20-16]];ALUQutALUQU = A + sign-extend(IR[15-0]);= PC + (sign-extend(IR[15-0]) < 2);

The solution to the above question is:

Control Signals Instruction (s) MemWrite 1 MemRead 1 MemtoReg 0 MemtoReg 1 PCSrc 1 RegWrite 1 RegDst 0 RegDst = 1 ALUSTC = 0 ALUSTC %3D %3D %3D BEQ (if ZERO = 1) || %3D |3D %3D 1 Operation if (A=B) PC= ALUOut: PC PC[31-28] || (IR(25-0) « 2) MDR = Memory[ALUOut]; Memory[ALUOut] = B; Reg[IR[15-11]] = ALUOUT: Reg[IR[20-16]]= MDR; IR = Memory[PC]; Functional element Instruction (s) %3D Instruction all instructions Memory A = Reg[IR[25-21]]; B = Reg[IR[20-16]]; ALUOUT PC+ (sign-extend(IR[15-0]) << 2); ALUOut = A+ sign-extend(IR[15-0]); %3D %3D %3D

Control Signals Instruction (s) MemWrite 1 MemRead 1 MemtoReg 0 MemtoReg 1 PCSrc 1 RegWrite 1 RegDst 0 RegDst = 1 ALUSTC = 0 ALUSTC %3D %3D %3D BEQ (if ZERO = 1) || %3D |3D %3D 1 Operation if (A=B) PC= ALUOut: PC PC[31-28] || (IR(25-0) « 2) MDR = Memory[ALUOut]; Memory[ALUOut] = B; Reg[IR[15-11]] = ALUOUT: Reg[IR[20-16]]= MDR; IR = Memory[PC]; Functional element Instruction (s) %3D Instruction all instructions Memory A = Reg[IR[25-21]]; B = Reg[IR[20-16]]; ALUOUT PC+ (sign-extend(IR[15-0]) << 2); ALUOut = A+ sign-extend(IR[15-0]); %3D %3D %3D

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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