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Q. Is there any way to execute truly stable storage? Describe your answer.
Answer: Truly steady storage would never lose data. The fundamental technique for steady storage is to maintain multiple copies of the data consequently that if one copy is destroyed some other copy is still available for use. However for any scheme we can imagine a large enough disaster that all copies are destroyed.
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that a 'replace the page that will not be
What are privileged instructions? Some of the machine instructions that may cause harm to a system are designated as privileged instructions. The hardware permits the privilege
PADM 530. case study part 1
Consider a computer system with a 32-bit logical address and 4KB page size. The system supports up to 512MB of physical memory. How many entries are there in a conventional single-
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
about error detection in operating system and how does it take place?
Q. How does the distinction among kernel mode and user mode function as a rudimentary form of protection (security) system? Answer: The distinction among kernel mode and user m
1. How is reliability enhanced with the microkernel approach to system design? 2. In a virtual machine design where guest operating systems are independent virtual machines sup
Q. Consider the following page-replacement algorithms. Rank the algorithms on a five-point scale from "bad" to "perfect" according to their page-fault rate. Detach those algorithm
Thermostats are subjected to rigorous testing before they are shipped to air conditioning technicians around the world. Results from the last five samples are shown in the table. D
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