AL3452 OPERATING SYSTEMS (OS)

bySanthosh (Admin) •July 14, 2024 • 2 min read

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Prepared by
S.Santhosh (Admin)
Important questions
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Don't waste my hardwork and valuable time
Don't share as screenshot kind request
based on views next exams questions are yet to be updated
most viewed dept will get update at first So Dont screenshot and share

same qns given as last time bcoz these are very finite questiosn choosen by me .so no neeed tochange the question in this list read all given and get good marks
unit:1
1. User operationg system interface
2. evolution of OS
3. OS structure and operations

unit-2
1. process(components,)
2. Thread(libraries) and SMP Management
3. Process Synchronization
4. Critical Section Problem
5/ Scheduling (types, diff)
Don't share as screenshot
unit-3
1.Contiguous Memory Allocation, Segmentation,
2.page Replacement ( full topic and related sums algorithms )
3.Copy on write

unit-4
1.disk management,scheduling (disk strorage allocation,performance)FCFS,SSTF,SCAN (DISK SCHEDULING
2. sums related to disk queue with respect to I/O
3.file system implementation and structure
4.app Io kernel
Unit-5
1.types of VM and virtualization
3. iOS and andriod
4. SDK AND FRAME NETWORK
Don't share as screenshot -Stuff sector
**Very important questions are bolded and may be asked based on this topic
PART-C
1.Compulsory Questions {a case study where the student will have to read and analyse the subject }
mostly asked from unit 2, 5(OR) a situation given and you have to answer on your own

don't waste my hardwork and valuable time

As Engineer i think you know how to respect another

Share it as link alone . don't share it as screenshot or any text material if u found this anywhere kindly report me . #Admin WhatsApp

Contact uS for more updates These questions are expected for the exams This may or may not be asked for exams
All the best.... from admin Santhosh*

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SYllabuS

Date: 17-06-2023

UNIT I INTRODUCTION
Computer System - Elements and organization; Operating System Overview - Objectives and Functions - Evolution of Operating System; Operating System Structures – Operating System Services - User Operating System Interface - System Calls – System Programs - Design and Implementation - Structuring methods.

UNIT II PROCESS MANAGEMENT
Processes - Process Concept - Process Scheduling - Operations on Processes - Inter-process Communication; CPU Scheduling - Scheduling criteria - Scheduling algorithms: Threads - Multithread Models – Threading issues; Process Synchronization - The critical-section problem -Synchronization hardware – Semaphores – Mutex - Classical problems of synchronization - Monitors; Deadlock - Methods for handling deadlocks, Deadlock prevention, Deadlock avoidance, Deadlock detection, Recovery from deadlock.

UNIT III MEMORY MANAGEMENT
Main Memory - Swapping - Contiguous Memory Allocation – Paging - Structure of the Page Table - Segmentation, Segmentation with paging; Virtual Memory - Demand Paging – Copy on Write - Page Replacement - Allocation of Frames –Thrashing.

UNIT IV STORAGE MANAGEMENT
Mass Storage system – Disk Structure - Disk Scheduling and Management; File-System Interface - File concept - Access methods - Directory Structure - Directory organization - File system mounting - File Sharing and Protection; File System Implementation - File System Structure - Directory implementation - Allocation Methods - Free Space Management; I/O Systems – I/O Hardware, Application I/O interface, Kernel I/O subsystem.

UNIT V VIRTUAL MACHINES AND MOBILE OS
Virtual Machines – History, Benefits and Features, Building Blocks, Types of Virtual Machines and their Implementations, Virtualization and Operating-System Components; Mobile OS - iOS and Android.

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