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Note for Operating Systems - OS By Anantharaj Manoj

  • Operating Systems - OS
  • Note
  • vsu pgc - vsu
  • Computer Science Engineering
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  • Uploaded 1 year ago
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Note for Operating Systems - OS By Anantharaj Manoj

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Anantharaj Manoj
Anantharaj Manoj
Computer Science Engineering at vsu pgc
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Process and CPU Scheduling Part - I

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Introduction An Operating system executes a variety of programs  Batch system executes jobs.  Real – Time systems has user programs or tasks. Ex: Windows may need to run several programs like word processor, web browser and so on. We can say these as processes.

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Process Concept Let us put a Question. What is a Process?

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Process Concept • Process – a program in execution. Process execution must progress in sequential fashion. • Job and Process almost interchangeably used. • A process includes: – Program counter – Stack – Data section

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References

Silberschatz.Galvin - Operating.System.Concepts.

Lecture Notes