EBK EXPERIENCING MIS,
8th Edition
ISBN: 9780134792729
Author: BOYLE
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 3, Problem 6CE
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a.
Alternative diagram:
- According to the customer data, dete...
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b.
Justification:
- “Yes”, the elimination of the rental personal will change the strategy of the company.
- Now the company will be a high value company...
Explanation of Solution
c.
Justification:
- “Yes”, the elimination of the rental personal will decrease the cost to the company.
- Now the company will be a high value company...
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Question D.4: FIFO Page Replacement
Consider the following page reference string:
e, c, b, e, a, g, d, c, e, g, d, a
Considering 4 frames, fill in the following table and then answer how many page faults would occur with the
FIFO page replacement algorithm.
RS: reference string; FO: frame 0, F1: frame 1, etc.
Hint: all frames are initially empty, so your first unique pages will all cost one fault each.
Time
1234567891011
12
RS
e
cb
e agd ce g d
a
FO
F1
F2
F3
Page fault?
b) Total # page faults:
c) Briefly (1-2 sentences) explain Belady's Anomaly that can occur in FIFO Page Replacement.
Consider a system that uses a fixed-partition scheme, with equal partitions of size 2" bytes, and the main
memory has 2¹8 bytes. A process table is maintained with a pointer to the resident partition for each resident
process. How many bits are required for the pointer in the process table? Show all your steps.
Use the same semaphore notation shown above to describe how we can ensure the execution order of the
following process execution graph:
P6
P2
P7
P1
P3
P4
P5
Use all of the following semaphores in your answer:
s1=0; s2=0; s3=0; s4=0; s5=0; s6=0;
Chapter 3 Solutions
EBK EXPERIENCING MIS,
Ch. 3.6 - Prob. 1SWCh. 3.6 - Prob. 2SWCh. 3.6 - Prob. 3SWCh. 3.6 - Prob. 4SWCh. 3 - Prob. 1EGDQCh. 3 - Prob. 2EGDQCh. 3 - Prob. 3EGDQCh. 3 - Prob. 4EGDQCh. 3 - Prob. 1ARQCh. 3 - Prob. 2ARQ
Ch. 3 - Prob. 3ARQCh. 3 - Prob. 4ARQCh. 3 - Prob. 5ARQCh. 3 - Prob. 6ARQCh. 3 - Prob. 1UYKCh. 3 - Prob. 2UYKCh. 3 - Prob. 3UYKCh. 3 - Prob. 4CECh. 3 - Prob. 5CECh. 3 - Prob. 6CECh. 3 - Prob. 7CECh. 3 - Prob. 8CSCh. 3 - Prob. 9CSCh. 3 - Prob. 10CSCh. 3 - Prob. 11CSCh. 3 - Prob. 12CSCh. 3 - Prob. 13CSCh. 3 - Prob. 14CSCh. 3 - Prob. 15CSCh. 3 - Prob. 16CSCh. 3 - Prob. 17MLMCh. 3 - Prob. 18MLM
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- Process Allocation A Max BCDABC D A Available B C PO 3 0 2 1 4 2 4 2 1 0 0 P1 0 1 0 1 0 2 2 2 P2 1 2 0 0 3 2 1 0 P3 0 1 1 2 1 1 1 2 P4 0 0 1 1 1 - 0 2 1 a) What is the content of the matrix Need? Process PO P1 P2 P3 P4 A Need BC D D ° b) Is the system in a safe state? If yes, give a safe sequence of processes. If not, explain why the system is not in a safe state. c) If a request from process P4 arrives for (1,0,0,0), can the request be granted immediately? Please state the reason.arrow_forwardConsider N processes sharing the CPU in a round-robin fashion (N>=2). Assume that each context switch takes S ms and that each time quantum is Q ms. For simplicity, assume that processes never block on any event and simply switch between the CPU and the ready queue. Also, assume that a process is still in the ready queue while a context switch is happening. a) What happens if Q is much smaller than S? What happens when Q→→ ∞, i.e. is much larger than the maximum turnaround time of all the processes? Be brief (1-2 sentences max) in your answer. b) If you use RR for scheduling, which of the three performance metrics (waiting, response, turnaround time) is more likely to be improved? Why (1-2 sentences max)?arrow_forwardCompute the jackknife estimate of bias and standard error for the correlation statistics from the law82 data using r languagearrow_forward
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