Operating System

Definition: Operating System studies management of computer resources, including processes, memory, files, and protection mechanisms.

Available PYQs:

2019

Praxian Analysis 2025

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Detailed Syllabus

Module 1: Introduction

• Operating system overview.
• Types of operating systems.
• System calls and structure.

Module 2: Process Management

• Process concept, states.
• Process scheduling, threads.

Module 3: CPU Scheduling

• Scheduling criteria and algorithms.
• Multiprocessor scheduling.

Module 4: Process Synchronization

• Critical section problem.
• Semaphores, monitors.
• Classic synchronization problems.

Module 5: Deadlocks

• Deadlock characterization.
• Prevention, avoidance, detection.

Module 6: Memory and File Management

• Swapping, paging, segmentation.
• File system implementation.