What are the use of job queues and ready queues, Computer Engineering

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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 processes that are residing in main memory and are ready and waiting to implement are kept on a list known as ready queue. The list of processes waiting for particular I/O devices kept in the device queue.  

 


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