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- if ten threads are running within a program and one of them request I/O and blocks in the kernel, what will happen to the rest of the threads if they are: A kernel managed B user managed what will happen if the same task is accomplished using multitasking rather than multithreading?Two parallel processes are compared to two parallel threads inside the same process. Given the circumstances, what's the best thing to do?in logical concurrency, the same instructions are executed concurrently on different processors instructions form different threads are actually executed on the same processor, but in interleaved order there can only be one thread instructions from different threads are executed on different processors
- 6. Initial value of shared variable m is equal to 0 and it is stored at memory address 1100. Four threads A, B, Y, Z use this variable as follows: Processes A and B increase the value of m by 1. Processes Y and Z decrease the value of m by 1. Since m is shared, each process protects the critical region using semaphore S initialized to 2. Write the sequence of operations so that after each thread is executed once, the value of m is equal to -2.3 assume the code is used S=2 Proses A A1: W(S) A2: LOAD m, 1100 A3: ADD 1 A4: MV A, 1100 A5: S(S) Proses B B1; W(S) B2: LOAD m, 1100 83: SUBT 1 B4: MV A, 1100 85: S(S) Proses Y Y1: W(S) Y2: LOAD m, 1100 Y3: ADD 1 Y4: MV A, 1100 Y5: S(S) Proses 2 21: W(S) 22: LOAD m, 1100 23: SUBT 1 24: MV A, 1100 25: S(S)In a timeshare operating system, when the time slot assigned to a process is completed, the process switches from the current state to? a) Suspended state b) Terminated state c) Ready state d) Blocked stateHow does thread synchronization work, and why is it important in multithreaded programs?
- This may be accomplished by analyzing the scheduling of processes and threads side by side and comparing and contrasting the two.If a child process sent a signal to its parent when it completes, then the parent issued: O a. wait() system call O b. abort system call exit system call O d. answer does not exist We move a process from the running state to the waiting state when: O a. Answer does not exist O b. It receives an entry from the OS O c. It receives a Break Statement interrupt O d. It receives wait() interruptsWhen using a multithreaded operating system, a programme (like Google Chrome) is managed by a single process, which is responsible for spawning all of the threads. Explain both the positive and negative effects that adopting this multithreading strategy may have on the programme if you choose to do so.
- A disadvantage of ULTs is that when a ULT executes a system call, not only is that thread blocked, but also all of the threads within the process are blocked. Why is that so?OCCURS WHEN MULTIPLE PROCESSES OR THREADS READ AND WRITE DATA ITEMS SO THAT THE FINAL RESULT DEPENDS ON THE ORDER OF EXECUTION OF INSTRUCTIONS IN THE MULTIPLE PROCESSES, Select one: a.COMPETING PROCESSES b.CRITICAL SECTION c.MUTUAL EXCLUSION d.RACE CONDITIONConsider a difficulty that develops when a computer's operating system uses several threads to do the same task.