Labels:text | screenshot | rectangle | font | parallel | line | number OCR: System Virtual Machine 32-bit apps 16-bit apps Thread A Thread B Thread C Priority=4 Priority=20 Priority=16 MS-DOS Virtual Machine 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