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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
what are reasons for cooperating processes
What are kernels and what do kernels do? The kernel is a program that comprises the central core of a computer operating system. It has entire control over everything that
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Q. How does DMA raise system concurrency? How does it make difficult hardware design? Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the
What is busy waiting? When strict alteration is done there may take place situation like two processes setting their flag as true. Therefore both of the processes have equal pr
How exactly is a page table used to look up an address? The CPU has a page table base register (PTBR)which points to the base (entry 0) of the level-0 page table. Each process h
why we say" OS is a resource allocator" and “OS is a control program"?
Define Page stealing Page stealing is taking page frames another working sets
What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
Fault tolerance : Machine failures, Communication faults, storage device crashes, and decays of storage media must be tolerated by the system to some extent. A fault tolerant sy
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