6 Questions
What is placed in a job queue?
A process when it is created and enters in a system
What type of queue is used when a process is waiting for an I/O device?
Device queue
Where is a process placed when it is waiting for execution in the CPU?
Ready queue
Which component handles the removal of the running process from the CPU?
Scheduler
What is the main task of a scheduler?
Select the job to run based on system strategy
What does a device queue contain?
Processes needing input/output devices
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
Learn about the different types of scheduling queues in operating systems, including job queues, ready queues, and device queues.
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