نظم التشغيل (501453-3) | Operating Systems | كلية حاسبات الطائف
4. Operating-System Operations (a) Hardware interrupt Vs Software interrupt
نظم التشغيل (501453-3) | Operating Systems | كلية حاسبات الطائف
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Chapter 1 Introduction
What is an Operating System?
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2. Computer System Organization (a) Computer Startup
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2. Computer System Organization (b) Computer-System Operation
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2. Computer System Organization (d) Storage Structure
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2. Computer System Organization (c) Interrupts
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2. Computer System Organization (e) Caching
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2. Computer System Organization (f) IO Structure
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3. Operating-System Structure
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4. Operating-System Operations (a) Hardware interrupt Vs Software interrupt
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4. Operating-System Operations (b) Dual-Mode Operation
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4. Operating-System Operations (c) Timer
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5. Process Management
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6. Memory Management
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7. Storage Management (a) File-System management
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7. Storage Management (b) Mass-Storage Management
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7. Storage Management (c) Caching
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7. Storage Management (d) IO Subsystem [ملغي من كلية حسابات الطائف]
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8. Security and Protection [ملغي من كلية حسابات الطائف]
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9. (a) Emulation [ملغي من كلية حسابات الطائف]
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9. (b) Virtualization [ملغي من كلية حسابات الطائف]
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10. Distributed Systems [ملغي من كلية حسابات الطائف]
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تحميل ملخص الشابتر pdf
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Chapter 2 Operating-System Structures
1. Operating-System Services
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2. User and Operating-System Interface
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3 System Calls (a) System Calls
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3 System Calls (b) System Call Parameter Passing
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4. Types of System Calls (a) Types of System Calls
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4. Types of System Calls (b) Example Standard C Library
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5. System Programs
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6. Operating-System Structure [ملغي من كلية حسابات الطائف]
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تحميل ملخص الشابتر pdf
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Chapter 3 Processes
1. Process Concept (a) Process Concept and Memory
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1. Process Concept (b) Process State
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1. Process Concept (c) Process Control Block (PCB)
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1. Process Concept (d) CPU Switch from Process to Process
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2. Process Scheduling (a) Scheduling Queues
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2. Process Scheduling (b) Schedulers
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3. Operations on Processes (a) Process Creation
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3. Operations on Processes (b) Process Termination
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4. Inter-process Communication (a) Independent process vs Cooperating Processes
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4. Inter-process Communication (b) Shared Memory
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4. Inter-process Communication (c) Message Passing 1. Direct and Indirect Communication
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4. Inter-process Communication (c) Message Passing 2. Blocking and Non-Blocking Communication
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4. Inter-process Communication (c) Message Passing 3. Buffering
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5. Communication in Client–Server Systems (a) Sockets
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5. Communication in Client–Server Systems (b) Remote Procedure Calls (RPC)
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5. Communication in Client–Server Systems (c) Pipes
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تحميل ملخص الشابتر pdf
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Chapter 4 Threads
1. Overview
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2. Multicore Programming
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3. Multithreading Models
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4. Thread Libraries
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تحميل ملخص الشابتر pdf
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Chapter 5 Process Synchronization
1. Background - Race Condition (Producer Consumer Problem)
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2. The Critical-Section Problem
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3. Peterson’s Solution
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4. Synchronization Hardware
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5. Mutex Locks
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6. Semaphores
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7. Deadlock and Starvation
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تحميل ملخص الشابتر pdf
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Chapter 6 CPU Scheduling
6.1 Basic Concept
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6.2 Scheduling Criteria
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6.3 Scheduling Algorithms (a) First- Come, First-Served (FCFS)
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6.3 Scheduling Algorithms (b) Shortest-Job-First (SJF)
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6.3 Scheduling Algorithms (c) Priority Scheduling
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6.3 Scheduling Algorithms (d) Round Robin (RR)
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6.3 Scheduling Algorithms (e) Multilevel Queue
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6.3 Scheduling Algorithms (f) Multilevel Feedback Level Queue
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تحميل ملخص الشابتر pdf
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Chapter 7 Deadlocks
7.1 System Model
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7.2 Deadlock Characterization (a) Necessary Conditions
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7.2 Deadlock Characterization (b Resource-Allocation Graph)
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7.3 Methods for Handling Deadlocks
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7.4 Deadlock Prevention
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7.5 Deadlock Avoidance (a) Safe State
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7.5 Deadlock Avoidance (b) Resource-Allocation Graph Algorithm
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(7.5) 1 Deadlock Avoidance (c) Banker’s Algorithm part
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(7.5) 2 Deadlock Avoidance (c) Banker’s Algorithm part
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7.6 Deadlock Detection (a) Single Instance of Each Resource Type
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7.6 Deadlock Detection (b) Several Instances of a Resource Type
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7.7 Recovery from Deadlock
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Chapter 8 Main Memory
8.1 Background (a) Basic Hardware
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8.1 Background (b) Address Binding
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8.1 Background (c) Logical Vs Physical Address Space
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8.1 Background (d) Dynamic Loading
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8.1 Background (e) Dynamic Linking and Shared Libraries
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8.3 Contiguous Memory Allocation (a) Memory Protection
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8.3 Contiguous Memory Allocation (b) Memory Allocation
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8.3 Examples on (First Fit - Best Fit) Algorithms (b) Memory Allocation
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8.3 Contiguous Memory Allocation (c) Fragmentation
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8.4 Paging (d) Page Table
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8.4 Paging (b) Implementation of Page Table
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8.4 Paging (c) Memory Protection
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8.4 Paging (d) Page Sharing
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8.6 Paging Example 1
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8.6 Paging Example 2
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ملخص الشابتر pdf
Reading
Chapter 9 Virtual Memory
9.1 Background
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9.2 Demand Paging
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9.3 Copy-on-Write
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9.4 Page Replacement
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9.4 Page Replacement (a) First-In-First-Out (FIFO) Algorithm
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9.4 Page Replacement (b) Optimal Page Replacement Algorithm
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9.4 Page Replacement (c) Least Recently Used (LRU) Algorithm
Reading
Chapter 10 File-System Interface
1. File Concept مفهوم الملف
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2. Access Methods طرق الوصول
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3. Directory and Disk Structure بنية المجلد والقرص
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4. File-System Mounting تركيب نظام الملفات
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5. File Sharing مشاركة الملفات
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6. Protection الحماية
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شرح و حلول الواجبات
تجميعات كويزات
quiz 1 on Chapter 1
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quiz 1 on Chapter 3
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quiz 1 on chapter [1 - 2 - 3]
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quiz 2 on chapter [1 - 2 - 3]
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quiz 1 on Chapter 4
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Midterm 1
Question 3 (a) FCFS
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Question 3 (b) Round Robin (RR)
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Midterm 2
Midterm 2 Question 3-(a) Shortest-Job First (SJF)
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Midterm 2 Question 3-(b) Round Robin (RR)
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Midterm Fall 2017
Question 1 [MCQ questions ]
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Question 2 [True/False]
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Midterm first term 2023
Question 3 - (a) []
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Question 3 - (B)
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Question 3 - (C)
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Question 3 - (D)
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Question 3 - (E)
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Final Term Exam, Fall 2021, 42-43
Question 1 - (a) [MCQ ]
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Question 2 (c-d) 1. FCFS
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Question 2 (c-d) 2. Non-preemptive SJF
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Question 2 (c-d) 3. Preemptive priority
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Question 3 (a) What is critical section problem List the three necessary conditions for critical problem solution.]
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Question 3 (b) [Let S and Q be two semaphores initialized to 1. What is wrong with following scenario? Explain your answer.]
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Question 4 (a) [What is the difference between internal and external fragmentations?]
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Question 4 (b) [On a system using First fit algorithm for memory allocation, assume the memory was allocated as specified in the figure below. The figure shows 5 processes occupying blocks of sizes 10k, 20k, 10k, 30k, 10k, respectively)]
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Final Term Exam, Spring 2022, 42-43 تقنية المعلومات
Question 4 (a) [Q4-1: Given five memory partitions of 150 Kb, 450 Kb, 220 Kb, 300 Kb, and 550 Kb (in order), how would the first-fit, best-fit, and worst-fit algorithms place processes of 250 Kb, 450 Kb, and 100 Kb and 500Kb (in order).]
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Question 4 (b) [Q4-2: Show if the graph stated below has a deadlock or not? Why? ]
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Question 4 (c) [Q4-3: Suppose that both of processes P1 and P2 concurrently read the value stored in a memory location X, then add 10 to it and assign it back to X (shared resource). State the type of this process communication problem]
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Final Exam Fall 2024, 1446
Question 1 (MCQ)
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Question 2 (a) - (i) FCFS Scheduling
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Question 2 (a) - (ii) SJF Scheduling
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Question 2 (a) - (iii) Priority Scheduling
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Question 3-(a)
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Question 3-(b)
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Question 4-(a)
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Question 4-(b)
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