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Process Description and Control

Process Description and Control. Chapter 3 All multiprogramming OS are build around the concept of processes A process is sometimes called a task. OS Requirements for Processes.

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Processes

Processes. Chapter 4. Processes. Multiprogramming operating systems are built around the concept of process (also called task). A process is the active execution of one (or more) programs. Processes.

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Q1. These algorithms require the total CPU bursts of each process. Estimating the CPU bursts is the main difficulty. OSes try to estimate the CPU bursts using exponential smoothing: ? n+1 = ? t n +(1- ? ) ? n where ? (0,1) is the constant weighting factor

262 views • 8 slides