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Define the Executor (Worker Thread)
The responsibility of the Executor (or Worker Threads) is to execute instructions on behalf of a client-server connection. The Executor must designed to process requests sent from client Workstations. The Worker Thread is accountable for executing instructions (or performing work) for the client application. It is also responsible for sending and receiving data back and forth to the client station. Actually, the Worker Thread will make requests into the SCM for these data-transmission requests.
Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
Write a short note about schedulers. Processes migrate between the various scheduling queues throughout its life time. The operating system should select for scheduling purpose
What is a thread? A thread or else called a lightweight process (LWP) is a basic unit of CPU utilization, it comprises of a thread id, a program counter, a register set and a s
Explain the steps in deadlock recovery. a) Exterminate off all processes involved - drastic. b) Exterminate off one at a time till deadlock gone - select a victim.
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Question: a) Define the term ‘Operating System' and identify two goals of an operating system. b) What do you understand by Symmetric multiprocessing (SMP) and Asymmetr
What is meant by context switch? Switching the CPU to another process needs saving the state of the old process and loading the saved state for the latest process. This task is
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We can view an operating system as a resource allocator. Explain. We can outlook an operating system as a resource allocator. A computer system has Many resources (software and
When the Page fault frequency in an operating system is reduced Locality of reference is appropriate to the process
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