ELECTRONICS AND COMMUNICATIONS ENGINEERING

I/O Management and Disk Scheduling: I/O Devices, Organization of I/O functions, Operating System Design issues, I/O Buffering, Disk Scheduling (FCFS, SCAN, C-SCAN, SSTF), Disk Caches.

Real Time OS, Characteristics of RTOS, RTOS for control systems

Popular RTOS available in market, VxWorks, •Task state transition, Semaphores. •

μC/OS II, μC/OS-II software architecture, Functions/features of μC/OS-II, Task management, Task Control Block, Synchronization, Interrupts and ISR

Adaptive Cruise Control (ACC)

Operating system objectives and functions, Virtual Computers, Interaction of O. S. & hardware architecture, Evolution of operating systems Architecture of OS (Monolithic, Microkernel, Layered, Exo- kernel and Hybrid kernel structures) Batch, Multi programming, Multitasking, Multiuser, parallel, distributed & real –time O.S.

Uniprocessor Scheduling: Types of scheduling 15 Scheduling algorithms: FCFS, SJF, Priority, Round Robin UNIX Multi-level feedback queue scheduling, Thread Scheduling, Multiprocessor Scheduling concept

Memory Management requirements, Memory partitioning: Fixed, dynamic, partitioning 3 15 Memory allocation Strategies (First Fit, Best Fit, Worst Fit, Next Fit), Fragmentation, Swapping, Segmentation, Paging, Virtual Memory, Demand paging

Real Time Operating System module 4_Working set model

EC366_RTOS_Page Replacement Policies (FIFO, LRU, Optimal, clock), Thrashing, Working Set Model