IT501 Unit 2
Operating System

CPU Scheduling & Process Management

Unit 2 Study Material

Download detailed notes, important questions and PYQ analysis for IT501 Operating System Unit 2.

⚙️ CPU Scheduling

Decides which process gets CPU next for efficient execution.

🧵 Threads

Lightweight processes that improve performance and parallel execution.

🔐 Synchronization

Controls shared resource access and prevents race conditions.

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Detailed Notes

Complete notes on CPU scheduling, scheduling criteria, scheduling algorithms, process concept, threads, inter process communication, critical section problem, semaphores and synchronization.

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Important Questions

Important RGPV questions on FCFS, SJF, Round Robin, Priority Scheduling, process states, IPC, semaphores and classical synchronization problems.

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PYQ Analysis

Previous year questions and repeated topics from Operating System Unit 2 for quick exam revision.

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Unit 2 Topics

Basic Concepts of CPU Scheduling
Scheduling Criteria
CPU Utilization
Throughput
Turnaround Time
Waiting Time
Response Time
Scheduling Algorithms
First Come First Serve
Shortest Job First
Priority Scheduling
Round Robin Scheduling
Algorithm Evaluation
Multiple Processor Scheduling
Process Concept
Process States
Process Control Block
Operations on Processes
Threads
User Level Threads
Kernel Level Threads
Inter Process Communication
Precedence Graphs
Critical Section Problem
Race Condition
Semaphores
Binary Semaphore
Counting Semaphore
Classical Problems of Synchronization
Producer Consumer Problem
Readers Writers Problem
Dining Philosophers Problem