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

• OS functions, types.
• System calls.

Module 2: Processes

• Process concept, scheduling.
• Threads, IPC.

Module 3: Synchronization

• Critical section, semaphores.
• Classic problems.

Module 4: Deadlocks

• Prevention, avoidance.
• Detection.

Module 5: Memory Management

• Paging, segmentation.
• Virtual memory, demand paging.

Module 6: File Systems

• File operations, directory.
• Disk scheduling.