a. 70 and 2, respectively. b. 50 and 1, respectively.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:a. 70 and 2, respectively.
b. 50 and 1, respectively.
C. 50 and 2, respectively.
d. 75 and 2, respectively.
e. 75 and 1, respectively.
f.
70 and 2, respectively.

Transcribed Image Text:Refer to the figure below of the ID, EX, MEM, and WB stages of the 5-stage multi-cycle pipeline with forwarding. Values and answers
are all in decimal. Register contents are: $2=5, $3=20, $4=30, $5=40, $6=80.
EX stage has the instruction: add $6, $2, $3
MEM stage has the instruction: add $3, $2, $5
WB stage has the instruction: add $2, $3, $4
What are the values of the output of MUX A and its selection lines?
Hazard
ID/EX.MemRead
detection
unit
ID/EX
WB
EX/MEM
Control
WB
M
MEMWB
wB
IFID
M
EX
A
Registers
ALU
Data
memory
B
IFID.RegisterRs
IFID RegisterRt
IFAD RegisterRt
IFAD.RegisterRd
IDEX RegisterRt
Forwarding
unit
IF/DWrite
Instruction
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