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Operating Systems - David Vernon

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Processes<br />

All modern computer systems can<br />

multiplex their time between several<br />

tasks<br />

» running code<br />

» reading/writing disks<br />

»printing<br />

» network communication<br />

– In a multiprogramming environment, they<br />

also multiplex between different users<br />

program<br />

» This provides a form of pseudo-parallelism<br />

Copyright © 2007 <strong>David</strong> <strong>Vernon</strong> (www.vernon.eu)

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