Subject Details
Dept     : CSE
Sem      : 4
Regul    : R2023
Faculty : V.SAVITHA
phone  : NIL
E-mail  : savicse@gmail.com
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Lecture Notes

UNIT 1:
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Introduction, Computer System Organization
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Operations on processes, Cooperating processes
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Architecture, Operations
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Process Management – Memory Management
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Process concept ,Process scheduling
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Process concept ,Process scheduling
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Inter process communication
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Threads: Multi-threading Models
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Threading issues.
UNIT 2:
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CPU Scheduling: Scheduling criteria, Scheduling algorithms-FCFS
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CPU Scheduling: Scheduling criteria, Scheduling algorithms-FCFS
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Synchronization hardware – Semaphores
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Scheduling algorithms-SJF, Priority, Round Robin
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Process Synchronization: The critical-section problem
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Classical problems of synchronization
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Deadlock: System model – Deadlock characterization
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Methods for handling deadlocks – Deadlock prevention
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Deadlock detection- Recovery from deadlock
UNIT 3:
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Memory Management: Background , Swapping
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Contiguous memory allocation
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Paging
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Segmentation
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Segmentation with paging
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Virtual Memory: Background, Demand paging
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Allocation of frames ,Thrashing
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Paging