D What statement about multitasking in mobile systems is incorrect? O Background applications in earlier versions...
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D What statement about multitasking in mobile systems is incorrect? O Background applications in earlier versions of iOS (before iOS 4) were suspended because it only allowed one process to run at a time. Some modern iOS versions allow multitasking for two foreground apps. O Android's service can send audio data to audio device driver at the cost of a large memory footprint. O Background applications in Android use a separate application component that runs on behalf of the background process. Question 5 What sentence is not correct? A context switch occurs when the system switches to another process and requires performing a state save of the current process and a state restore of the process to switch to. O Pipes allow parent and child processes that created it to communicate, while sockets allow two unrelated processes that did not create the socket to communicate. 5 pts Zombie processes are processes whose parent has not yet called wait(). Orphan processes are processes whose parent terminated without calling wait(). O A region of memory is shared between two processes in the shared-memory model, rather than exchanging information through messages and system calls in the message passing model. What is not a benefit of multithreaded programming? That threads share kernel resources means that an application can have several different threads in the same address space. Resource sharing with threads is simpler than message passing and shared memory. O By distributing threads across cores, processes can achieve concurrency by performing more than one task at the same time. O Multithreaded programming allows faster responses for user interfaces by allocating time-consuming operations to the kernel. O Thread creation is more economical than process creation because process creation requires memory allocation but threads share process resources. Match the operating system or library to the most applicable multithreading model. Windows with the ThreadFiber package GNU Portable Threads Solaris Green Threads Linux Windows [Choose ] [Choose] One-to-one Many-to-many Many-to-one One-to-many Many-to-one One-to-many One-to-one Match the description to the correct implicit threading model. Sets a limit to the number of threads created to avoid exhausting CPU time and memory. Task requests are serviced by an existing thread if one is available. Places tasks into either a serial or concurrent dispatch queue and assigned to an available thread in FIFO order. One thread creates other threads, and then retrieves and combines the results from other threads after they terminate. Identify blocks of codes that can be run in parallel. Divide loop iterations into special chunks and create a number of tasks to operate on chunks when using parallel for template. [Choose ] [Choose ] Fork-Join Grand Central Dispatch OpenMP Thread Pool Thread-Local Storage Intel Threading Blocks [Choose ] 4 [Choose ] [Choose] < D What statement about multitasking in mobile systems is incorrect? O Background applications in earlier versions of iOS (before iOS 4) were suspended because it only allowed one process to run at a time. Some modern iOS versions allow multitasking for two foreground apps. O Android's service can send audio data to audio device driver at the cost of a large memory footprint. O Background applications in Android use a separate application component that runs on behalf of the background process. Question 5 What sentence is not correct? A context switch occurs when the system switches to another process and requires performing a state save of the current process and a state restore of the process to switch to. O Pipes allow parent and child processes that created it to communicate, while sockets allow two unrelated processes that did not create the socket to communicate. 5 pts Zombie processes are processes whose parent has not yet called wait(). Orphan processes are processes whose parent terminated without calling wait(). O A region of memory is shared between two processes in the shared-memory model, rather than exchanging information through messages and system calls in the message passing model. What is not a benefit of multithreaded programming? That threads share kernel resources means that an application can have several different threads in the same address space. Resource sharing with threads is simpler than message passing and shared memory. O By distributing threads across cores, processes can achieve concurrency by performing more than one task at the same time. O Multithreaded programming allows faster responses for user interfaces by allocating time-consuming operations to the kernel. O Thread creation is more economical than process creation because process creation requires memory allocation but threads share process resources. Match the operating system or library to the most applicable multithreading model. Windows with the ThreadFiber package GNU Portable Threads Solaris Green Threads Linux Windows [Choose ] [Choose] One-to-one Many-to-many Many-to-one One-to-many Many-to-one One-to-many One-to-one Match the description to the correct implicit threading model. Sets a limit to the number of threads created to avoid exhausting CPU time and memory. Task requests are serviced by an existing thread if one is available. Places tasks into either a serial or concurrent dispatch queue and assigned to an available thread in FIFO order. One thread creates other threads, and then retrieves and combines the results from other threads after they terminate. Identify blocks of codes that can be run in parallel. Divide loop iterations into special chunks and create a number of tasks to operate on chunks when using parallel for template. [Choose ] [Choose ] Fork-Join Grand Central Dispatch OpenMP Thread Pool Thread-Local Storage Intel Threading Blocks [Choose ] 4 [Choose ] [Choose] <
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The detailed answer for the above question is provided below 4 Background applications in Android use a separate application component that runs on behalf of the background process Explanation This st... View the full answer
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