
EBK JAVA PROGRAMMING
8th Edition
ISBN: 9781305480537
Author: FARRELL
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
Chapter 12, Problem 4PE
Program Plan Intro
Program Plan
1. Variables mentioned below are used:
- arrSize- the size of the array as the input given by the user.
- values[]- which has the series of numbers to be sorted
- input- double number entered as input by the user
- avgValue − an average of all the numbers entered as input
- exitVal- exit code to quit the reading of input from the console.
- sum- the sum of all the entered numbers and is used to calculate the average of numbers.
- arrCreateStatus − a boolean value that decides whether to create an array with user-entered sized.
- valid- boolean value that holds the status of reading input from the console.
2. Functions mentioned below are used:
- main()- Main function of the program which gets the input and displays the output.
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Consider a file currently consisting of 10 blocks. Assume that the file control block and the new block
information to be added are already in memory. Calculate how many disk I/O operations are required for the
linked allocation strategy, if, for one block, the following conditions hold:
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d. The block is removed from the beginning.
e. The block is removed from the middle.
f. The block is removed from the end.
Segment Base (original)
Length
Base (after compaction)
0
100
300
1
1400
600
2
450
100
3
3200
80
4
2200
500
5
3300
33
1. Given the original base addresses, what are the physical addresses for the following logical addresses? If
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a) (0,350)
b) (1,599)
c) (2,50)
d) (3,81)
e) (4,300)
f) (5.0)
g) (5,34)
Process
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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
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c) If a request from process P4 arrives for (1,0,0,0), can the request be granted immediately? Please state the
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