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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
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
What is a semaphore? A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; w
What do you mean by semaphore? Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce
Demand paging gives that pages could only be brought into memory if the running process acts them. This is usually referred to as lazy evaluation as only those pages operated by
what is hashed page tables & explain of there work & figure
Q. Consider the subsequent page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. How many page faults would take place for the following replace
Q. In a ring-protection system the level 0 has the greatest access to objects and level n (greater than zero) has fewer access rights. The access rights of a program at a partic
Q. In a disk jukebox what would be the result of having more open files than the number of drives in the jukebox? Answer: Two bad results could result. One likelihood is star
explain hierarchical,hashed and inverted paging
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
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