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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
Synchronization In communication among processes messages passed may be blocking or nonblocking - also called as synchronous and asynchronous. Blocking send : The sending pr
Processes and Programs Process is a dynamic entity which is a program in execution. A process is a sequence of information executions. Process exists in a limited span of t
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
Q. Presume an operating system maps user-level threads to the kernel using the many-to-many model and the mapping is done through LWPs. Additionally the system allows developers to
what is semantics of system call execution?
Q. Consider a calculating environment where a process is given the privilege of accessing object only n times. Suggest a scheme for implementing this policy. Answer: Add an i
50 peripharal device name ,diagram and uses
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be. a. Explain the protection problems that could arise. b.
The procedure for handling the page fault is as follows 1. We check the internal table to verify whether the reference was valid or invalid. 2. If the reference was invalid,
Q. What are the five main activities of an operating system in regard to process management? Answer: a. The creation as well as deletion of both user and system processes
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