Assume that we want to add the following instruction to the given MIPS single cycle data-path:1wd $rd, $rs, $rt# R[$rd] = Mem[ R[$rt] + R[$rs] ]What would be the control signals for evaluating this instruction. Let this instruction be of R-type. Select the most suitable answers (if any).AddPCAddShiftleft 2PCSrcRegWriteMemToRegRead Instruction 25 - 21)address 31-01MemWiteReaddata 1Readregister 1ALUReadaddressReadu/20 -16)ReadZerodataInstructionregister 2Readdata 2ResultWirteaddressmemoryWriteregisterDataWiteut15 - 11RegistersmemoryWriteALUOPdatadataMemReadRegDst|(15 - 01ALUSrcSignbextendSelect one:a.RegDst = 1, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = x, MemRead = 1, MemToReg = 1, PCSrc = 0%3Db.None of the given answers.c.RegDst = 0, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = 0, MemRead = 1, MemToReg = 1, PCSrc = 0d.RegDst = 1, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = 0, MemRead = 1, MemToReg = 1, PCSrc = 0e.RegDst = 1, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = 0, MemRead = 0, MemToReg = 1, PCSrc = 0

The correct answer is option a) Reason: We are reading the memory register and the register…

Answered: What would be the control signals for…

What would be the control signals for evaluating this instruction. Let this instruction be of R-type. Select the most suitable answers (if any).

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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Concept explainers

Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer. 

Question

Assume that we want to add the following instruction to the given MIPS single cycle data-path:
1wd $rd, $rs, $rt
# R[$rd] = Mem[ R[$rt] + R[$rs] ]
What would be the control signals for evaluating this instruction. Let this instruction be of R-type. Select the most suitable answers (if any).
Add
PC
Add
Shift
left 2
PCSrc
RegWrite
MemToReg
Read Instruction 25 - 21)
address 31-01
MemWite
Read
data 1
Read
register 1
ALU
Read
address
Read
u/20 -16)
Read
Zero
data
Instruction
register 2
Read
data 2
Result
Wirte
address
memory
Write
register
Data
Wite
ut15 - 11
Registers
memory
Write
ALUOP
data
data
MemRead
RegDst
|(15 - 01
ALUSrc
Sign
bextend
Select one:
a.RegDst = 1, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = x, MemRead = 1, MemToReg = 1, PCSrc = 0
%3D
b.None of the given answers.
c.RegDst = 0, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = 0, MemRead = 1, MemToReg = 1, PCSrc = 0
d.RegDst = 1, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = 0, MemRead = 1, MemToReg = 1, PCSrc = 0
e.RegDst = 1, RegWrite = 1, ALUSrc = 0, ALUOP = add, MemWrite = 0, MemRead = 0, MemToReg = 1, PCSrc = 0

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