IT501 Unit 3
Operating System

Deadlocks & Memory Management

Unit 3 Study Material

Download detailed notes, important questions and PYQ analysis for IT501 Operating System Unit 3.

🔒 Deadlock

A condition where processes wait forever for resources held by each other.

🧠 Memory

Memory management controls allocation and deallocation of main memory.

📄 Paging

Paging divides memory into fixed-size blocks for efficient allocation.

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Detailed Notes

Complete notes on deadlock problem, deadlock characterization, prevention, avoidance, detection, recovery, memory management, swapping, paging and segmentation.

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Important Questions

Important RGPV questions on deadlock conditions, Banker's algorithm, deadlock prevention, memory allocation methods, paging, segmentation and address translation.

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📄

PYQ Analysis

Previous year questions and repeated topics from Operating System Unit 3 for quick exam revision.

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Unit 3 Topics

Deadlock Problem
Deadlock Characterization
Necessary Conditions for Deadlock
Mutual Exclusion
Hold and Wait
No Preemption
Circular Wait
Deadlock Prevention
Deadlock Avoidance
Banker's Algorithm
Deadlock Detection
Recovery from Deadlock
Methods for Deadlock Handling
Memory Management
Logical Address Space
Physical Address Space
Address Binding
Swapping
Fixed Partitioning
Dynamic Partitioning
First Fit Allocation
Best Fit Allocation
Worst Fit Allocation
Paging
Page Table
Segmentation
Paging Combined with Segmentation