001-2023-1121_DLBIBRVS01_E_Course_Book (2)

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Course Book Details

• Course Book Title: IU International University of Applied Sciences

• Course Topics:

  • Operating Systems

  • Computer Networks

  • Distributed Systems

Code Snippets

• Code Snippet 1: Database Selection

  • static function dayList() { return array(); }

  • Query Example: Sresult mysql::query("SELECT * FROM image, image_date WHERE image_id ORDER BY shot_date DESC")

Potential Error Handling

• Error checking for studio listing: if (studio_list) die("error studio");

• Dates must be validated before processing.

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• Focus on Operating Systems, Computer Networks, and Distributed Systems.

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Publisher Information

• Publisher: IU Internationale Hochschule GmbH

• Contact: media@iu.org

• Website: www.iu.de

• Copyright: © 2023 IU Internationale Hochschule GmbH

Copyright Notice

• This course book cannot be reproduced, edited, duplicated, or distributed without written permission.

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Table of Contents

1. Introduction

   • Signposts Throughout the Course Book: Page 6

   • Suggested Readings: Page 7

   • Learning Objectives: Page 9

2. Unit 1: Fundamentals of the Operating System

   • Basic Structure of Computer Systems: Page 13

   • Role of the Operating System: Page 17

   • Processes and Threads: Page 20

   • Memory Management: Page 26

   • File Systems: Page 34

3. Unit 2: Modern Operating Systems

   • Case Study: Microsoft Windows: Page 42

   • Case Study: Unix and Linux: Page 47

   • Mobile Operating Systems: Page 52

4. Unit 3: Computer Networks

   • Principles of Data Transmission: Page 56

   • Network Topologies: Page 61

   • OSI Reference Model: Page 69

5. Unit 4: Internet and TCP/IP

   • Emergence of the Internet: Page 81

   • TCP/IP Protocol Stack: Page 84

   • Selected Protocols and Services: Page 91

6. Unit 5: Architectures of Distributed Systems

   • Client-Server Architectures: Page 99

   • Distributed Synchronization: Page 103

   • Transactions: Page 106

   • Service Orientation: Page 109

   • Cloud Applications: Page 110

   • Parallelism in systems: Page 112

7. Unit 6: Mobile Computing

   • Special Properties: Page 117

   • Proxy Support: Page 120

   • Protocols for Mobile Internet: Page 123

   • Security and Data Protection: Page 124

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Introduction

• Basics of the course layout and additional materials.

• Emphasizing self-check questions at the end of sections.

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Suggested Readings

• General Suggestions:

  • Tanenbaum, A. S., & Bos, H. (2015). Modern Operating Systems (4th ed.). Pearson.

  • Tanenbaum, A. S., & Wetherall, D. J. (2014). Computer Networks (5th ed.). Pearson.

  • van Steen, M., & Tanenbaum, A. S. (2017). Distributed Systems (3rd ed.). Pearson.

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Learning Objectives

• Key Fundamentals covered in the course:

  • Functions of an operating system.

  • Comparing different operating systems based on application and implementation.

  • Understanding network functionalities aligned to OSI and TCP/IP models.

  • Familiarity with different architectures of distributed systems and challenges in mobile computing.

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Learning Objectives Continued

• Unit 1: Understanding basic structures and tasks of operating systems.

• Unit 2: Exploring case studies of Windows, Unix, and Mobile systems.

• Unit 3: Learning about networking fundamentals and protocols.

• Unit 4: Grasping the TCP/IP model and key internet protocols.

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Unit 1: Fundamentals of the Operating System

Study Goals

• Understand the von Neumann architecture.

• Identify main tasks of an operating system.

• Explain virtual memory management.

• Functionality of file systems including inode-based.

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Unit 1 Introduction

• Definition and characteristics of operating systems.

• Emphasis on their critical role in modern computing.

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Basic Structure of Computer Systems

• Overview of CPU, memory, I/O components.

• Explanation of the von Neumann architecture concept including its historical importance.

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Central Processing Unit (CPU)

• Core functionalities of the CPU including fetching, decoding, and executing instructions.

• Description of control unit and arithmetic logic unit (ALU).

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Memory Management

• Definition and tasks related to memory management in operating systems.

• Concepts of dynamic memory allocation and fragmentation.

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Memory Protection

• Importance of memory protection in multitasking and multi-user systems.

• Examples of memory management techniques and their implications.

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File Systems

• Overview of file systems and their roles in organizing data storage.

• Introduction to inode-based file systems and their structure.

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Summary

• Recap of key concepts from the fundamentals of operating systems, emphasizing their architecture and functionality.

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Learning Objectives for Modern Operating Systems

• Unit 2 Overview: Historical development of Windows and Linux, explanation of current structures.

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• Subsequent descriptions of modern operating systems, cloud architectures, mobile computing, and related protocols.