ocr: System Virtual Machine 32-bit apps 16-bit apps Thread A Thread B Thread C Priority=4 Prlority=20 Prionity=16 MS-DOS Virtual Machlne Thread D Priority=20 Primary Scheduler MS-DOS Virtual Machine Evaluates all thread priorities Thread B Thread D Thread E Priority=12 Time Slice Scheduler Allocates time slices to threads B and D. Figure 3 Scheduling Time Slices
