Operating System

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ISBN- 978-93-82249-65-8

Vishant Tyagi and Naveen Verma

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BCA UP Unified Syllabus (UP State Universities), Fourth Semester

Syllabus

BCA-S207: OPERATING SYSTEM

Unit-I: Introduction, What is an Operating System, Simple Batch Systems, Multi-programmed Batch Systems, Time-Sharing Systems, Personal – Computer Systems, Parallel Systems, Distributed Systems, Real-Time Systems.

Memory Management

Background, Logical versus Physical Address Space, Swapping, Contiguous Allocation, Paging, Segmentation.

Virtual Memory

Demand Paging, Page Replacement, Page – Replacement Algorithms, Performance of Demand Paging, Allocation of Frames, Thrashing, other Considerations

Unit-II: Processes

Process Concept, Process Scheduling, Operation on Processes.

CPU Scheduling

Basic Concepts, Scheduling Criteria, Scheduling Algorithms, Multiple – Processor Scheduling.

Process Synchronization

Background, The Critical – Section Problem, Synchronization Hardware, Semaphores, Classical Problems of Synchronization.

Unit-III: Deadlocks

System Model, Deadlock Characterization, Methods for Handling Deadlocks, Deadlock Prevention, Deadlock Avoidance, Deadlock Detection, Recovery from Deadlock.

Unit-IV: Device Management

Techniques for Device Management, Dedicated Devices, Shared Devices, Virtual Devices; Input or Output Devices, Storage Devices, Buffering, Secondary Storage Structure: Disk Structure, Disk Scheduling, Disk Management, Swap-Space Management, Disk Reliability.

Unit-V: Information Management

Introduction, A Simple File System, General Model of a File System, Symbolic File System, Basic File System, Access Control Verification, Logical File System, Physical File System File – System Interface; File Concept, Access Methods, Directory Structure, Protection, Consistency Semantics File – System Implementation: File – System Structure, Allocation Methods, Free-Space Management.

Reference UP/BCA/4/01

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