Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
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Question
Chapter 9.6, Problem 9.3PP
Program Plan Intro
Virtual address and physical address:
- Virtual page number (VPN) and virtual page offset (VPO) are the two components of virtual address.
- Physical page number (PPN) and physical page offset (PPO) are the two components of physical address.
- The physical page offset (PPO) is identical to the virtual page offset (VPO).
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Students have asked these similar questions
[1] (
Show your work. Show hoe you compute memory address by using the effective memory
address computation.
Assume the following values are stored at the indicated memory addresses and
registers:
Address Value
0x100
OxFF
0x104
OxAB
0x108
0x13
0x10c
0x11
Register
%rax
%rcx
%rdx
$0x108
(%rax)
4(%rax)
9(%rax, %rdx)
260(%rcx,%rdx)
OxFC (,%rcx, 4)
(%rax, %rdx, 4)
Value
0x100
0x1
0x3
Fill in the following table showing the values for the indicated operands:
Operand
Value
%rax
0x104
(d) Given memory holes (i.e., unused memory blocks) of 100K, 500K, 200K, 300K and
600K (in address order) as shown below, how would each of the first-fit, next-fit, best-
fit algorithms allocate memory requests of 120K, 320K, 280K, 90K and 210K (in this
order). The shaded areas are used/allocated regions that are not available.
100k 500k
200k
300k
600k
Figure 2: Current status of main memory
Problem
Question 03 (CO3) [0.5 + 0.5 = 1]: Given below are the contents of several Intel 8086 registers
and PHYSICAL memory addresses (ALL in hexadecimal):
Registers:
Memory Locations [Physical Address] = Contents
[05000] = 3300
[06000] = 4444
[07000] = 5555
[95000] = 367A
[96000] = 6666
[97000] = 10C5
DI = 3000
%3D
BX = 3000
%3D
ВР 3 С345
For the following instructions, determine the contents of AX after the each of the instruction has
been executed:
(а) MOV
(b) MOV
АХ, ВР
АХ, [ВХ+DI]
AX =
AX
Chapter 9 Solutions
Computer Systems: A Programmer's Perspective (3rd Edition)
Ch. 9.2 - Prob. 9.1PPCh. 9.3 - Prob. 9.2PPCh. 9.6 - Prob. 9.3PPCh. 9.6 - Prob. 9.4PPCh. 9.8 - Practice Problem 9.5 (solution page 882) Write a C...Ch. 9.9 - Prob. 9.6PPCh. 9.9 - Prob. 9.7PPCh. 9.9 - Prob. 9.8PPCh. 9.9 - Prob. 9.9PPCh. 9.9 - Prob. 9.10PP
Ch. 9 - Prob. 9.11HWCh. 9 - Repeat Problem 9.11 for the following address....Ch. 9 - Repeat Problem 9.11 for the following address....Ch. 9 - Given an input file hello.txt that consists of the...Ch. 9 - Determine the block sizes and header values that...Ch. 9 - Prob. 9.16HWCh. 9 - Prob. 9.17HWCh. 9 - Prob. 9.18HWCh. 9 - Prob. 9.19HWCh. 9 - Write your own version of malloc and free, and...
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