Unit VI: Input/output Device Management | BCA 4th Semester Operating System Notes Pdf

One of the important jobs of an Operating System is to manage various Input/output devices including a mouse, keyboards, touchpad, disk drives, display adapters, USB devices, Bit-mapped screen, LED, Analog-to-digital converter, On/off switch, network connections, audio input/output, printers, etc.

In this “Input/output Device Management – Operating System” you will learn about the following topics:

1. Principle of Input/output Hardware
2. Input/Output Devices
3. Device Controllers
4. Synchronous V/S Asynchronous Input/output
5. Communication to Input/Output Devices
6. Special Instruction Input/Output
7. Memory-Mapped Input/Output
8. Direct Memory Access (DMA)
9. Polling V/s interrupts Input/output
10. Principle of input/output Software
11. Goals of input/output Software
12. Device Drivers, Interrupt Handlers, Device-Independent I/O Software, User-Space I/O Software, Kernel I/O Subsystem
13. Programmed Input/output
14. Interrupt-driven Input/output
15. Input/output using DMA
16. I/O Software Layer
17. Disks
18. Disk Hardware
19. Disk Scheduling
20. Seek Time, Rotational Latency, Transfer Time, Disk Access Time, Disk Response Time
21. Disk Scheduling Algorithms
22. First Come -First Serve (FCFS)
23. Shortest Seek Time First (SSTF)
24. Elevator (SCAN)
25. Circular Scan (C-SCAN)
26. C-LOOK
27. RAID (Redundant Array of Independent Disks)
28. RAID Levels

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BCA 4th Semester Operating System Notes Pdf:

• Unit I: Introduction To Operating System
• Unit II: Operating System Structure
• Unit III: Process Management
• Unit IV: Deadlock
• Unit V: Memory Management
• Unit VII: File System Management
• Unit VIII: Security Management
• Unit IX: Distributed Operating System
• Unit X: Case Study Issues
• Unit XI: Future Issues