In addition, the OS is able to grab the machine cycles that a modem or network program needs for uninterrupted processing. Mainframe operating systems have employed preemptive multitasking for ...

the diminutive chip can still perform more than well enough to host the rudimentary OS — up to four application tasks, and some basic system call support. Already, KittyOS sports preemptive ...

Windows, prior to Windows 95, and the Mac, prior to Mac OS X, were non-preemptive multitasking operating systems. Contrast with preemptive multitasking. See multitasking. THIS DEFINITION IS FOR ...