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Questiion 1 What is RTOS? What are its requirements?
Questiion 2 Explain the structural elements of a real time system mode
Questiion 3 What is kernel? Explain about Monolithic kernels in RTOS
Questiion 4 What is dispatcher? Explain
Questiion 5 Describe Properties of Petri Nets
Questiion 6 Explain (a) Boundary-Value Testing (b) White-Box Testing
Explain Belady's Anomaly? Also called FIFO anomaly. Usually, on enhancing the number of frames allocated to a process virtual memory, the process implementation is faster, beca
How does an operating system make multiprogramming possible by using single processor?
Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects: System performance while no
At the end of this lecture, and into the next lecture, we will discuss the last major type of logical error that can occurwhen programming with threads. A deadlock occurswhen two t
Define Virtual memory Virtual memory is employed in all major commercial operating systems
File Organization * Sequential * Direct * Indexed A file still if it is stored on a magnetic disk or CD-ROM disk may perhaps have a sequential file organiz
Write on short note DMA. Direct M emory Access (DMA) is a technique for transferring data from main to a device without passing it through the CPU. Computers that have
Q. Polling for an I/O completion is able to waste a large number of CPU cycles if the processor iterates a busy-waiting loop several times before the I/O completes. However if the
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
Define semaphore A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in
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