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Process Scheduling Basic Concepts-R.D.Sivakumar
1. PROCESS SCHEDULING BASIC CONCEPTS
Video Lecture and E-Content Created by
R.D.SIVAKUMAR,M.Sc.,M.Phil.,M.Tech.,
Assistant Professor of Computer Science &
Assistant Professor and Head, Department of M.Com.(CA),
Ayya Nadar Janaki Ammal College,
Sivakasi – 626 124.
Mobile: 099440-42243
e-mail : sivamsccsit@gmail.com website: www.rdsivakumar.blogspot.in
2. Scheduling is a fundamental operating system function.
Process execution consists of a cycle of CPU execution and I/O wait.
I/O bound program have short CPU burst.
CPU bound program have very long CPU burst.
BASIC CONCEPTS OF PROCESS SCHEDULING
3. The objectives of multi programming is to have some process
running at all time, in order to maximize CPU utilization.
By switching the CPU among processes, the operating system can
make the computer more productive.
CPU scheduling is the basis of multi programmed operating systems.
OBJECTIVIES OF MULTIPROGRAMMING
4. “CPU Scheduler” select one of the processes in the ready queue.“CPU Scheduler” select one of the processes in the ready queue.
CPU SCHEDULERCPU SCHEDULER