The portion of the process scheduler in an operating system that dispatches processes is concerned with ____________ 1. assigning ready processes to CPU 2. assigning ready processes to waiting queue 3. assigning running processes to blocked queue 4. all of the mentioned
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The portion of the process scheduler in an
1. assigning ready processes to CPU
2. assigning ready processes to waiting queue
3. assigning running processes to blocked queue
4. all of the mentioned
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- Description:The project I am working on needs to demonstrate how two processes (parent and child) can communicatethrough a shared memory region, with the child process writing a value to the shared memoryand the parent process reading that value. This is my code and I wont run. Can you help: #include <stdio.h>#include <stdlib.h>#include <sys/types.h>#include <sys/ipc.h>#include <sys/shm.h>#include <unistd.h> #define SHM_SIZE 1024 /* shared memory size */ void error_exit(const char *msg) { perror(msg); exit(EXIT_FAILURE);} int main() { key_t key; int shmid; char *data; // Create a unique key for shared memory if ((key = ftok("shared_memory.c", 'R')) == -1) { error_exit("ftok"); } // Create the shared memory segment if ((shmid = shmget(key, SHM_SIZE, 0644 | IPC_CREAT)) == -1) { error_exit("shmget"); } // Attach the shared memory segment to our data space data = shmat(shmid, (void *)0, 0); if…We know that in the process creation we restrict child process to a subset of the parents resources prevents any process from________. Please provide correct solution only.Below are the responsibilities of a Process scheduler EXCEPT ____________. Select one: a. Determines which queue a job should be moved to during its execution b. Decides when a job should be stopped. c. Determines a job has concluded and should be terminated d. Decides when a job should be interrupted
- To ensure that the hold and wait condition never occurs in the system, it must be ensured that ____________ a) whenever a resource is requested by a process, it is not holding any other resources b) each process must request and be allocated all its resources before it begins its execution c) a process can request resources only when it has none d) all of the mentioned. In order to keep track of the state of each running process, the operating system creates a _____________ for each. process control block linked list CPU thread Which PCB fields below can have their values changed when a process is in "Running" state. parent, children, open_files process_state, children process_state, open_files children, open_files . Considering the implementation of a process create() function, select the correct choice for each of the following when the function is executed to create a process p. p.process_state = p.parent = p.children = p.cpu_state = READY, BLOCKED, NULL, RUNNINGA set of processes are said to be in deadlock if___________________ a. all processes are trying to kill each other b. each process is terminated c. each process is blocked and cannot proceed further d. None of the Mentioned
- HW2: There are four resources (A, B, C, D) and four Tasks (Task2, Task3, Task, Task5). A Task requests resources as listed below, when gets all of them increments own counter and releases resources. Task2: A, B Task3: B, C Task4: C, D Task5: A, B, C, D Develop a Picoos application executing within endless loop. A monitor task monitors and prints ownership of resources and task counters. In your application, show deadlock and starvation conditions with screen output if there are. Fix these problems as a second version and explain. You can use my examples attached.Quiz 3 (Scheduling - Operating Systems Principles) 2. Process p is currently running when process q arrives at the Ready List. The Operating System waits until p is done processing before scheduling q. This is an example of _____________________. delayed scheduling non-preemptive scheduling just-in-time scheduling preemptive scheduling 3. Process p starts running at time 0, becomes blocked at time 5, and starts running again at time 9. Process p's attained CPU time under long-term scheduling at time 10 is ____________ time units. 5 10 9 6 4. Using FIFO scheduling, answer the following about the processes below: Process Arrival Time CPU Time p1 0 8 p2 4 6 p3 6 3 End of p1: [ Select ] Start of p3: [ Select ] Start of p2: [ Select ] 5.Using SRT scheduling, answer the following about the processes below: Process Arrival Time CPU Time p1 0 8 p2 1 2 p3 4 3 End of p3: [ Select ] Start of p2: [ Select ] End of p1: [ Select ]A program becomes a process when it is an active entity loaded in main memory. max 0 T ↑ What region is used for communication/data sharing between processes? stack sparse address space text data heap no option is correct
- The portion of the process scheduler in an operating system that dispatches processes is concerned with ____________ 1. assigning ready processes to CPU2. assigning ready processes to waiting queue3. assigning running processes to blocked queue4. all of the mentionedWhich of the following statements is/are true about multithreading? Select 3 correct answer(s) In the Many-to-Many multithreading model, a process is always blocked whenever one of its threads is executing a blocking call A lightweight process (LWP) is a communication interface between different user threads of an application and is not used by user processes to map to kernel processes One advantage of multithreading is responsiveness, which means that one thread may respond instantly while other threads are blocked or busy doing calculations User threads must be mapped onto available kernel threads in order to be scheduled for execution by the CPU The Many-to-One multithreading model maps multiple user threads to many kernel threads A context switch between threads can be performed much faster than a context DELL O WPlease written by computer source CmpSc472 – Memory Management HomeworkReal World Situation simulating Work Space usage.Lay out a scenario where you have to manage space where consumers come to work, play, or dobusiness. Processes are loaded into memory, and use the memory as a big working area. Processes get a chunk of memory for which to work. There are restrictions/boundaries on how they can work. When processes are finish running, they are freed from using the memory allocation.Your assignment is to . . .1. Think of a real world scenario that is similar to how people use, and manage, a workspace.2. You own this workspace, and consumers come to use it3. Describe the lay out of this workspace, in detail.4. Describe what the consumers use this space for: Work, Dine, Play, to Build, etc.5. Describe in detail how much space is available for many consumers to use.6. Are there time limits on using this space?7. Does it cost money to use?8. When done using the work space, they…
