When a VA page 30 is written without prior approval, what happens? In the following cases, a TLB managed by software would be more efficient than one managed by hardware:
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- Read this Paragraph and answer the Given question: A A&A that runs a chain of hospitals in Karachi has decided to start a new computer program to manage patients, admit-in, and discharge of patients. Currently, A&A has software that can carry out these tasks for an individual hospital. This is problematic since, for example, if one hospital is full and receives a new patient request, the A&A tries to locate a suitable bed in another of its hospital; it is then necessary for hospital management to ring around the other hospitals. Similar problems arise if a patient wants to transfer to another hospital that has better facilities. A&A requires a new web application that should resolve the existing system problem by implementing a single, common patient admission and discharge system across the whole chain. Additionally, the A&A wishes to gain a competitive edge with a frequent-guest program to encourage repeat patient who readmits will be given discounts and other…Two main techniques are used for memory management in modern computers and operating systems, as described in this module's readings: paging and segmentation. Sometimes they are combined in a segmentation with paging scheme. Design a memory management scheme for a 50 bit computer architecture, using paging, segmentation or both, as described in this module's readings. Your post should include a clear translation scheme from a 50 bit logical address to a 50 bit physical address including a picture that shows how this translation takes place. In particular, each field of the logical address must be clearly depicted and its length in bits must be specified. The proposed scheme must be at least somewhat realistic; for this reason, simple paging and simple segmentation schemes are automatically disqualified, due to the impossible requirements imposed on the implementation in this case (50 bits addresses)Assume that a memory module contains three holes of 10MB each. A sequence of 14 requests for 1MB each will be processed (See the diagram below). For each of the memory allocation methods listed below, draw a diagram representing how memory is allocated and determine the sizes of the remaining holes after all 14 requests have been satisfied. First fit Next fit C. Best fit d. a. b. Worst fit Hint - For the Next fit, the following allocation starts with the hole following the previous allocation 10 Mb 10 Mb 10 Mb
- Scheduling is a method that is used to distribute valuable computing resources, usually processor time, bandwidth, and memory, to the various processes, threads, data flows and applications that need them. Scheduling is done to balance the load on the system and ensure equal distribution of resources and give some prioritization according to set rules. This ensures that a computer system is able to serve all requests and achieve a certain quality of service. With this regard, Discuss the usefulness of Gantt charts in the scheduling process.Assume the following transection T1 and T2 executing in serial schedule. The Initial value of A=20 and B=10. Find the result of serial schedule T1 followed by T2, A=………….., B=……….. Find the result of serial schedule T2 followed by T1, A=………….., B=………..1. Shortest Remaining Time (SRT) is used to schedule the arriving processes. Jobs and arrival sequence are given to you below: Arrival Time (ms) 1 2 B c D E Job A CPU Cycle (ms) 1 3 A A 2 3 6 9. 12 16 Calculate Turnaround Time for Job A: O a. 7 ms O b. 6 ms O c. 5 ms O d. 8 ms
- Question : Your task is to design a departmental store management system. The store has multiple shelves with numbers on it for placing multiple items, initially the shelf is empty, means that there is no item on the shelf. The store consists of k number of shelves, and each shelf has exactlyp number of positions for items to be placed on it. The store wants to design a software to keep the records of item on the shelves. The software should be able to perform the following operations: 1. Insert the item at a particular position in a given shelf, if it's empty else place the item in the first empty location in that shelf, and if there is no location empty on that shelf then do not insert it and display the appropriate message to the user. 2. Display all the items in a given shelf. 3. Remove the item from particular position in a given shelf if it is there. 4. Remove all the item from a given shelf 5. Return total number of the items in the specified shelf 6. Return the total number of…Write the process scheduling of the following ScenarioSuppose 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?
- C PROGRAMMING Create a memory allocation program to show the how the First Fit strategy would allocate memory and move the spaces in memory. Given the memory block size is 20 and initially there are 5 holes with the sizes { 4, 3, 8, 2, 3} After each allocation, if there are leftover space, the space can be given to the next hole. If there are 5 blocks of data with sizes {3,4,3,5,3}. Try to fit them in the block of memory. How are the hole sizes changed as you allocate and shuffle the memory. Sample Output:Computer Science A multiprogrammed system with a single CPU has a very large number of CPU boundprocesses running on it that all have the same priority. Could you think of a CPU schedulingalgorithm that would combine the lowest possible response times with the highest possiblethroughput and no starvationIn a timesharing OS we have the following cpu timeline for two tasks X and Y. The timeslice is 1s.Both tasks are available in the system at the same time t=9:00:00.000 and order of arrival is the obviousX followed by Y. (The decimals reflect milliseconds if they showup in an indicated time reference.) There are no other processes (tasks) in the system other than X,Y. 1234567890 XYXYX--YXY The time line 1 indicates that at t=9:00:00s task X starts its execution and when t=9:00:01s is reached task Y takes over. The time line 1 indicates the 'first second' and time line 0 indicates the 'tenth second' above.Task Y completes its execution at t=9:00:10s, the completion of the tenth second since X started its execution. Task X has completed its execution earlier. (a) What is the total number of context switches starting from prior to t=9:00:00s (e.g. t=8:59:59.999) through thecompletion of $Y$? answer is 16s (b) What is the turnaround time for Y? answer is 10s (c) What is…