Operating System Unit Wise Free Complete Notes Download

CCSU BCA402 OS Notes Chaudhary Charan Singh CCS University Meerut BCA 4th Semester CCSU BCA402 Operating System OS Unit Wise Syllabus and Free Notes Download Candidates Can Direct Download Chaudhary Charan Singh University CCSU Operating System Full Notes Download CCSU OS Operating System Unit Wise Notes Unit Wise Full Notes Download @ niiss.org

1st UNIT

Introduction, What is an operating system, Types View
Simple Batch Systems, Multi-programmed Batch systems, Time- Sharing Systems View
Personal – Computer Systems, Parallel Systems, Distributed Systems, Real- Time Systems View
Memory Management: Background, Logical versus physical Address space View
Swapping, Contiguous Allocation View
Paging, Segmentation View
Virtual Memory: Demand Paging, Page Replacement, Page- Replacement Algorithms View
Performance of Demand Paging, Allocation of Frames View
Thrashing, Other Considerations View

2nd UNIT

Processes: Process Concept, Process Scheduling, Operation on Processes View
CPU Scheduling: Basic Concepts, Scheduling Criteria View
Scheduling Algorithms, Multiple – Processor Scheduling View
Process Synchronization: Background, The Critical – Section Problem View
Synchronization Hardware View
Semaphores, Classical Problems of Synchronization View

3rd UNIT

Deadlocks: System Model, Deadlock Characterization View
Methods for Handling Deadlocks View
Deadlock Prevention View
Deadlock Avoidance View
Deadlock Detection View
Recovery From Deadlock View

4th UNIT

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

5th UNIT

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

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