Microsoft Office Access 365/2019 A Skil
10th Edition
ISBN: 9780357012826
Author: ANDREWS
Publisher: Cengage Learning
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Chapter 6, Problem 20TC
Explanation of Solution
Given:
Thirteen port names are given:
Dual Link DVI-I
Single Link DVI-D
Parallel
USB Type A
USB Type B
FireWire 400
VGA
DisplayPort
Mini Display Port
4-pin S-Video
HDMI
PS/2
Serial
Given consideration:
13 port names are given and 12 ports are shown in “Figure 7-75” (A-L).
To find: The extra port name given in the question that has no matching image in the figure...
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Abstract classes & Interfaces (Ch13)
5. See the code below and solve the following.
class Circle {
protected double radius;
// Default constructor
public Circle() (
}
this(1.0);
// Construct circle with specified radius
public Circle(double radius) {
}
this.radius
radius;
// Getter method for radius
public double getRadius() {
}
return radius;
// Setter method for radius
public void setRadius(double radius) {
}
this.radius = radius;
// Implement the findArea method defined in GeometricObject
public double findArea() {
}
return radius* radius * Math. PI;
// Implement the find Perimeter method defined in GeometricObject
public double findPerimeter() {
}
return 2*radius*Math.PI;
// Override the equals() method defined in the Object class
public boolean equals(Circlel circle) {
}
return this.radius == circle.getRadius();
// Override the toString() method defined in the Object class
public String toString() {
}
}
return "[Circle] radius = " + radius;
5-1. Define a class name…
6. What is Race condition? How to prevent it? [2 marks]
7. How many synchronization methods do you know and compare the differences. [2 marks]
8. Explain what are the “mutual exclusion”, “deadlock”, “livelock”, and “eventual entry”, with
the traffic intersection as an example like dinning philosophy. [2 marks]
9. For memory allocation, what are the difference between internal fragmentation and external
fragmentation. Explain with an example. [2 marks]
10. How can the virtual memory map to the physical memory. Explain with an example. [2
marks]
Your answers normally have 50 words. Less than 50 words will not get marks.
1. What is context switch between multiple processes? [2 marks]
2. Draw the memory layout for a C program. [2 marks]
3. How many states does a process has? [2 marks]
4. Compare the non-preemptitve scheduling and preemptive scheduling. [2 marks]
5. Given 4 process and their arrival times and next CPU burst times, what are the average times
and average Turnaround time, for different scheduling algorithms including:
a. First Come, First-Served (FCFS) Scheduling [2 marks]
b. Shortest-Job-First (SJF) Scheduling [2 marks]
c. Shortest-remaining-time-first [2 marks]
d. Priority Scheduling [2 marks]
e. Round Robin (RR) [2 marks]
Process
Arrival Time
Burst Time
P1
0
8
P2
1
9
P3
3
2
P4
5
4
Chapter 6 Solutions
Microsoft Office Access 365/2019 A Skil
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