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Graphics Interchange Format  |  1998-02-10  |  68.9 KB  |  390x495  |  4-bit (16 colors)
   ocr: FIGURE 2 Difference in run-time behavior relative 10 varymg task priorities. Contros ta/lrom Context 1 Context 2 System Switch Switch Msg Queue Send Msg Queue Send Msg Qucue nessag Pent Disne tor Retum - A - Kesm Pend urspe foo iteum - - Relurs - Pend mEssase for Rotm TaskA Task B Task C Priorits # 2 Priority =1 Priority= 0 Context 4 Context 3 Switch Switch Control tros Control to System Lontext U Context 2 System Switch Switeir Msg Queue Msg Queue Msg Queue Send Send nessags messagy Pend for Retuce - - - Recum Pend messape. tor Rewm - - - - - Kaum Pend Ane for Roum messug Task. A Task. B Task ...