Instruction 125-01 Shift 26 left 2 Add Jump address (31-0) 28 PC 431-28 RegDat Shin Jeft 2 Jump Branch MemRead Instruction 31-26] MemoReg Control A MemWrite ALUS RegWrite ALU Instruction (25-21] Read PC Read address register 1 Read Instruction [20-16 data1 Read Zero Instruction register 2 01-0 Read Instruction Instruction (15-11 memory Write Write data Registers ALU ALU register data 2 result Instruction[15-0 16 Sign- 32 extend ALU control Instruction (5-0 23x эм AddressRead data We Data data memory

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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Question

In the below cases, comment on the situation about what type of instructions won’t work correctly if that failure happen. According at the figure that provided.

Give the comments and example of instructions which still can be perform correctly under failure.

a)RegWrite = 0

b)RegDst = 0

c)PCSrc = 0

Instruction 125-01
Shift
26
left 2
Add
Jump address (31-0)
28 PC 431-28
RegDat
Shin
Jeft 2
Jump
Branch
MemRead
Instruction 31-26]
MemoReg
Control A
MemWrite
ALUS
RegWrite
ALU
Instruction (25-21]
Read
PC
Read
address
register 1 Read
Instruction [20-16
data1
Read
Zero
Instruction
register 2
01-0
Read
Instruction Instruction (15-11
memory
Write
Write
data Registers
ALU ALU
register data 2
result
Instruction[15-0
16 Sign-
32
extend
ALU
control
Instruction (5-0
23x
эм
AddressRead
data
We Data
data memory
Transcribed Image Text:Instruction 125-01 Shift 26 left 2 Add Jump address (31-0) 28 PC 431-28 RegDat Shin Jeft 2 Jump Branch MemRead Instruction 31-26] MemoReg Control A MemWrite ALUS RegWrite ALU Instruction (25-21] Read PC Read address register 1 Read Instruction [20-16 data1 Read Zero Instruction register 2 01-0 Read Instruction Instruction (15-11 memory Write Write data Registers ALU ALU register data 2 result Instruction[15-0 16 Sign- 32 extend ALU control Instruction (5-0 23x эм AddressRead data We Data data memory
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