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Questions and Answers
Which queue is a process placed in when it enters the system for the first time?
What queue does a process enter when waiting for an I/O device?
What is the primary role of process schedulers?
Which queue handles processes waiting for execution in the CPU?
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What does the operating system maintain for processes waiting on a specific I/O device?
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What is the activity of the process manager in relation to process scheduling?
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Study Notes
Scheduling Queues
- Scheduling queues hold processes or devices waiting for processing
- Job queue is the queue where a process is placed when it enters the system
- Device queue is a queue for multiple processes waiting for a particular I/O device, with each device having its own queue
Types of Queues
- Job Queue: holds newly created processes that have entered the system
- Ready Queue: holds processes waiting for execution in the CPU
- Device Queue: holds processes waiting for I/O devices to fulfill their I/O needs
Process Schedulers
- Process scheduling involves removing the running process from the CPU and selecting another process based on a particular strategy
- Schedulers are special system software that handle process scheduling in various ways
- Their main tasks include selecting jobs to be submitted into the system and deciding which process to run
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Description
Learn about scheduling queues in operating systems, including job queues and device queues, and how they manage processes and devices.
