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Q. What kinds of services does the process manager provide? Define local procedure call?
Answer: The process manager offers services for creating and deleting and using processes and threads and jobs. The process manager as well implements queuing and delivery of asynchronous procedure calls to threads. The LPC (local procedure call) is a message-passing system.
The operating system utilizes the LPC to pass requests and results between client and server processes within a single machine in particular between Windows XP subsystems.
what is deadlock
Q. If magnetic hard disks eventually have the same cost per gigabyte as do tapes will tapes turn into obsolete or will they still be needed? Describe your answer. Answer: Tap
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
Multi-level page tables are tree-like structures to hold page tables. As an example, consider a two- level page table, again on a 32-bit architecture with 212 = 4 kbyte pages. Now,
Explain about interprocess communication The cooperating processes communicate with each other via an interprocess communication facility. IPC gives a mechanism to permit proce
The question of fairness, regarding page eviction, is a hard one. How do we decide what is fair? Many operating systems use global LRU, where pages from all processes are managed t
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
Question: a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific proce
BEST FIT ALGORITHM Here scanning is for the finest fit one. Signifies it searches the entire list for the best fit position. For the process therefore in that the process will
Explain Components of conflict phase of dispatch latency The conflict phase of dispatch latency has two components 1. Preemption of any process running in the kernel. 2.
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