Get Operating System Syllabus for the BCA Notes . Discover the fundamentals of memory allocation and process management to get insightful knowledge for effective system performance in a variety of applications.
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Unit-I: Introduction (Operating System)
- What is an Operating System,
- Simple Batch System,
- Multiprogrammed Batch System.
- Time Sharing Systems,
- Personal Computer System.
- Parallel System.
- 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 Consideration.
Unit-II: Processes (Operating System)
- 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 (Operating System)
- System Model,
- Deadlock Characterization,
- Methods for Handling Deadlocks,
- Deadlock Prevention,
- Deadlock Avoidance,
- Deadlock Detection,
- Recovery from Deadlock.
Unit-IV: Device Management (Operating System)
- 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 (Operating System)
- 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.
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