<?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="Mac operating systems - Page 12 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=Mac_operating_systems&amp;p=11">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Mac_operating_systems&amp;p=13">3.Next</a>
</p>
<p>Software run one application at a time. System 5 introduced <a href="page.php?w=cooperative_multitasking">cooperative multitasking</a>. System 7 supports <a href="page.php?w=32-bit">32-bit</a> <a href="page.php?w=memory_address">memory address</a>ing and <a href="page.php?w=virtual_memory">virtual memory</a>, allowing larger programs. Later updates to the System 7 enable the transition to the <a href="page.php?w=PowerPC">PowerPC</a> architecture. The system was considered <a href="page.php?w=Usability">user-friendly</a>, but its architectural</p><p>
<a accesskey="1" href="page.php?w=Mac_operating_systems&amp;p=11">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Mac_operating_systems&amp;p=13">3.Next</a>
</p>

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

</card>
</wml>
