If each time slice in a multiprogramming system is 50 milliseconds and each context switch requires at most a microsecond, how many processes can the machine service in a single second? If each process uses its complete time slice in the machine in Question 4, what fraction of the machine's time is spent actually performing processes? What would this fraction be if each process executed an I/O request after only a microsecond of its time slice?
Q: decoding encrypted data and system
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- In a multiprocessor system, busy waiting is sometimes tolerated rather than blocking the process. In such an environment if context switch time is S, what is the maximum amount of busy waiting time that may be tolerated when a process gets stuck in spinlock? Justify/explain your answer.Computer Science Suppose for a processor system it takes 35 cycles to push and pop registers onto the stack and change the PC value to the start of the interrupt service routine (ISR) or return from it. Suppose also that the ISR software takes additional 45 cycles to store the process state before the actual ISR body begins its work, and suppose it takes the same number of cycles to restore the process state when ISR is finished. If the ISR body takes 1000 cycles, what is the percent total overhead every time the ISR is executed? If the processor is running at a 2 GHz clock frequency, how long does it take before the ISR body begins execution in nanoseconds? This is usually called the ISR latencyOn a computer system with one processor (CPU), and N (N> 1) processes present in the system, what is the maximum number of processes that can be in the Running, and in the Blocked states at any given time? Assume 5-state model for process states.
- If each time slice in a multiprogramming system is 50 milliseconds and each context switch requires at most a microsecond, how many processes can the machine service in a single second?When it comes to process execution, what is the advantage of first allocating it to the I/O queue and then pushing it to the CPU when it is ready? What, in your opinion, will happen if the I/O is not completed correctly? Is the CPU burst going to be affected? What do you mean?When a central processing unit (CPU) produces an interrupt, the processor is compelled to stop whatever it is working on in order to react to the signal that has been received. It has piqued my interest to learn more about the reasoning for pausing the procedure in order to finish the assignment. Let's begin by going through the steps involved in the process of interrupting, and then we'll move on to the steps involved in the process of executing. Explain?
- Please explain how prioritizing the I/O queue above the process execution queue might improve performance. If the I/O is interrupted, who knows what will happen. To what extent this will reduce the maximum burst rate of the CPU is unclear. I don't think I understand what you're getting at.For a processor that can decode encrypted data and system instructions as well as execute the instructions on the decoded data and executed system instructions, many ways have been proposed The submitted resuits will be encrypted by the processor. Is there a specific benefit to employing a CPU of this type? In order to achieve such high levels of performance and efficiency, what are the system requirements?Consider a system running ten I/O-bound tasks and one CPU-bound task. Assume that the I/O-bound tasks issue an I/O operation once for every millisecond of CPU computing and that each I/O operation takes 10 milliseconds to complete. Also assume that the context-switching overhead is 0.1 millisecond and that all processes are long-running tasks. Describe the CPU utilization for a round-robin scheduler when: a. The time quantum is 1 millisecond b. The time quantum is 10 milliseconds
- When feasible, what are the upsides of prioritizing the I/O queue as the place where processes would be executed? If the I/O connection suddenly goes down, what do you expect to happen? How would this affect the fastest possible CPU burst rate? I'm not quite sure I get what you're getting at here.Suppose that a multiprogrammed system has a load of N processes with individual execution times of t1, t2, ...,tN. Answer the following questions: a) How would it be possible that the time to complete the N processes could be as small as: maximum (t1, t2, ...,tN)? b) How would it be possible that the total execution time, T > t1+ t2+ ...+tN? In other words, what would cause the total execution time to exceed the sum of individual process execution times?Assume that an SMP (Symmetric multiprocessing) system has private, per-processor run queues. When a new process is created, it can be placed in either the same queue as the parent process or in a different queue with another processor. a. What are the benefits of placing the new process in the same queue as its parent? b. What are the benefits of placing the new process in a different queue?