Explain what is multi processing operating system
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If you have any more questions please leave them in the comment section.In a multiuser OS, more than one user can use the same system at a same time through the multi I/O terminal or through the network.Ī multiuser OS uses timesharing to support multiple users. However, both the processors help to boost the system’s speed and performance. In symmetric processing, all the processors are equal, where asymmetric processing has a master-slave relationship. The multiprocessing can be of two types Symmetric and Asymmetric which differ in the way they work. The failed master processor is replaced by another slave processor and if a slave processor its tasks are switched to others.ĭownload the comparison table: Symmetric vs Asymmetric Multiprocessing Conclusion If a processor is failed or stopped working the overall capacity of the computer drops. The architecture may vary for each processor. Symmetric processing is complex in designĪll the processors have the same Architecture. There is no communication overhead all the processors are controlled by the master processor. OS tasks are carried only by the master processor.Īll the processor communicates between them using the shared memory. It is comparatively cheaper and easy to install.Īll the processors can take part in the OS tasks based on availability. The master processor assigns the job to other processors.
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#Explain what is multi processing operating system free
Once a processor gets free it picks a job from the job queue Not all the processors have equal precedence PARAMETERSĪll the processors are equal and treated as the same. But there is still more difference let’s see them one by one. The major difference between Symmetric and Asymmetric processing is the master-slave relationship. Difference between the Symmetric and Asymmetric Multiprocessing: Symmetric Processing is the best choice for balancing the large load of tasks and fault tolerance and also reduces the chances of a CPU bottleneck. And it is the responsibility of the scheduler to ensure that two Processors work on the same tasks. There is no master-slave relationship all the processors take part in the operating system tasks.Īll the new tasks will be added to the Common queue, each processor will start executing them, and they also will have their private queue. Symmetric Processing is the scenario where all the processors are treated equally and communicate using the shared memory. In case a Slave processor failed another Slave processor will replace it.
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If the master processor fails, one slave processor is assigned as the master processor and it assigns and carries the task. This type of processing is on the advantage when the user needs to assign specific tasks to the CPU based on the Priority. Here all the processors are not treated equally. The master processor control and assign the tasks to the other Slave processors as per the Admin needs. And only the master processor runs the task of the Operating System (OS). In the group of computer network, there would be a master Processor which commands the other processor the tasks. But not all of them are self-scheduling or independent. In this type of Multi-processing two or more computers or processors are interconnected. Let’s see about them in detail – What is Asymmetric Multiprocessing?Īsymmetric multi-processing refers to the use of two or more processors to do multiple operations following the Master-Slave relation. Multi-processors are classified into the following two types based on their nature of work. When a computer or device uses more than one CPU or Processor it is called a Multi-Processing. The CPU in personal computers is an example of single processing. In our computer, there is a processor called CPU (Central Processing Unit), which is responsible for controlling other components of the computer and receive the signal from the Input or Output (I/O) Devices and executes the task. To understand it you should clear of what is Processing or Processor. Are you interested to know about the difference between the Symmetric and Asymmetric Multi-Processor? Then continue reading the article.