Web Technologies For MU Sem 3 S. Y. B.Sc.Computer Science Course Code :(USCS306) Academic Year 2022-2023  (Paperback, Pankaj B. Brahmankar)

Unit Details Lectures I Introduction to Operating-Systems: Definition of Operating System, Operating System's role, Operating-System Operations, Functions of Operating System, Computing Environments Operating-System Structures : Operating-System Services, User and Operating- System Interface, System Calls, Types of System Calls, Operating-System Structure Processes : Process Concept, Process Scheduling, Operations on Processes, Inter process Communication Threads : Overview, Multicore Programming, Multithreading Models (Refer Chapters 1, 2, 3 and 4) 15 II Process Synchronization : General structure of a typical process, race condition, The Critical-Section Problem, Peterson's Solution, Synchronization Hardware, Mutex Locks, Semaphores, Classic Problems of Synchronization, Monitors. CPU Scheduling : Basic Concepts, Scheduling Criteria, Scheduling Algorithms (FCFS, SJF, SRTF, Priority, RR, Multilevel Queue Scheduling, Multilevel Feedback Queue Scheduling), Thread Scheduling. Deadlocks : System Model, Deadlock Characterization, Methods for Handling Deadlocks, Deadlock Prevention, Deadlock Avoidance, Deadlock Detection, Recovery from Deadlock. (Refer Chapters 5, 6 and 7) 15 III Main Memory : Background, Logical address space, Physical address space, MMU, Swapping, Contiguous Memory Allocation, Segmentation, Paging, Structure of the Page Table Virtual Memory: Background, Demand Paging, Copy-on-Write, Page Replacement, Allocation of Frames, Thrashing Mass-Storage Structure: Overview, Disk Structure, Disk Scheduling, Disk Management File-System Interface: File Concept, Access Methods, Directory and Disk Structure, File- System Mounting, File Sharing File-System Implementation: File-System Structure, File-System Implementation, Directory Implementation, Allocation Methods, Free-Space Management. (Refer Chapters 8, 9, 10, 11 and 12) 15