Q10In symmetric multiprocessor scheduling using private queues, when the scheduler running on aprocessor seeks to change its workload because it has no tasks to run, it performs a specifictype of action called aEnter your answer hereQ11Consider the following pseudo-code implementation of a semaphore wait operation.void wait(){disable interrupts;sem value = sem value- 1;if ( sem value < 0) {block the calling process, adding it to sem_queue;schedule a process from the ready queue;enable interrupts;Is this code free of race conditions on a SMP?O YesO No

Answered: Q10 In symmetric multiprocessor…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Insert locks into the following two functions for stack operations assuming the two functions are executed in two threads. int Push(int stack[ ], int *top, int new_element){ stack[top]= new_element; top++; return 0; } int Pop(int stack[ ], int *top, int *top_element){ if (top>0) { top_element= stack[top]; top--; return 0; } else return -1; \\ empty stack }
Schedulers: Select all of the following statements that are true. A long-term scheduler selects which process should be executed next and allocates the CPU. The main task of a medium-term scheduler is to swap out and in processes from memory. A long-term scheduler executes much more often than a short-term scheduler. The long-term scheduler controls the degree of multiprogramming. The ready queue contains the set of all processes residing in main memory, ready and waiting to execute. Device queues refer to processes waiting for an I/O device.
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In execution of a program a new thread (A) is created and begins in the New state. As it requires an input from the user, the schedular is called and changes it into the runnab state. Finally it gets a time slice from the processor but suddenly a new urgent thread (B) appears which needs to be handled by the CPU. Thus, the thread (A) is blocked and moved back to the run queue.
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Multi-tasking can not be achieved with a single processor machine. True False 2. Async/Await is best for network bound operations while multi-threading and parallel programming is best for CPU-bound operations. True False 3. The following is a characteristic of an async method:The name of an async method, by convention, ends with an "Async" suffix. True False 4. Using asynchronous code for network bound operations can speed up the time needed to contact the server and get the data back. True False 5. Asynchronous programming has been there for a long time but has tremendously been improved by the simplified approach of async programming in C# 5 through the introduction of: The Task class True False
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Q10 In symmetric multiprocessor scheduling using private queues, when the scheduler running on a processor seeks to change its workload because it has no tasks to run, it performs a specific type of action called a - Enter your answer here