<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Context switch - Page 1 - Wikipedia">
<p>
<a accesskey="3" href="page.php?w=Context_switch&amp;p=2">3.Next</a>
</p>
<p>In <a href="page.php?w=computing">computing</a>, a <b>context switch</b> is the process of storing the state of a <a href="page.php?w=process_%28computing%29">process</a> or <a href="page.php?w=thread_%28computing%29">thread</a>, so that it can be restored and resume <a href="page.php?w=execution_%28computing%29">execution</a> at a later point, and then restoring a different, previously saved, state. This allows multiple processes to share a single <a href="page.php?w=central_processing_unit">central processing unit</a> (CPU) and is an essential</p><p>
<a accesskey="3" href="page.php?w=Context_switch&amp;p=2">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
