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进程状态转换(1/10)PCBofprocessAPCBofprocessBCPUstatereadystatereadyAXxxAX0AX10ZUCCPCA0PC操作系统原理B0PCxxMemoryusedbyAMemoryusedbyBA0:movAX,aB0:movAX,8A1:incAXB1:movb,AXA2:mova,AXa2b99a++a++bb==88chap31PDF文件使用"pdfFactoryPro"试用版本创建www.fineprint.cn进程状态转换(2/10)PCBofprocessAPCBofprocessBCPUstaterunning5statereadyAX0AX0AX107ZUCCPCA0PC操作系统原理B0PCA0MemoryusedbyAMemoryusedbyBA0:movAX,aB0:movAX,8A1:incAXB1:movb,AXA2:mova,AXa2b99CPU分派给ProcessA.A的APCB块中的进程状态信息复制到CPU。chap32PDF文件使用"pdfFactoryPro"试用版本创建www.fineprint.cn进程状态转换(3/10)PCBofprocessAPCBofprocessBCPUstaterunningstatereadyAX2AX0AX10ZUCCPCA0PC操作系统原理B0PCA1MemoryusedbyAMemoryusedbyBA0:movAX,aB0:movAX,8A1:incAXB1:movb,AXA2:mova,AXa2b99A0A0执行后执行后…………chap33PDF文件使用"pdfFactoryPro"试用版本创建www.fineprint.cn进程状态转换(4/10)PCBofprocessAPCBofprocessBCPUstaterunningstatereadyAX3AX0AX10ZUCCPCA0PC操作系统原理B0PCA2MemoryusedbyAMemoryusedbyBA0:movAX,aB0:movAX,8A1:incAXB1:movb,AXA2:mova,AXa2b99A1A1执行后执行后…………chap34PDF文件使用"pdfFactoryPro"试用版本创建www.fineprint.cn进程状态转换(5/10)PCBofprocessAPCBofprocessBCPUstateready1statereadyAX3AX3AX10ZUCCPCA22PCB0操作系统原理PCA23MemoryusedbyAMemoryusedbyB4A0:movAX,aB0:movAX,8A1:incAXB1:movb,AXA2:mova,AXa2b99时间到,ProcessA从运行态转到就绪态。AAA的PCB块被更新,进程状态信息从复制到的块中。CPUAAPCBchap35PDF文件使用"pdfFactoryPro"试用版本创建www.fineprint.cn进程状态转换(6/10)PCBofprocessAPCBofprocessBCPUstatereadystaterunning5AX10AX3AX107ZUCCPCA2PC操作系统原理B0PCB0MemoryusedbyAMemoryusedbyBA0:movAX,aB0:movAX,8A1:incAXB1:movb,AXA2:mova,AXa2b99CPU分派给ProcessBB.chap36PDF文件使用"pdfFactoryPro"试用版本创建www.fineprint.cn进程状态转换(7/10)PCBofprocessAPCBofprocessBCPUstatereadystaterunningAX8AX3AX10ZUCCPCA2PC操作系统原理B0PCB2MemoryusedbyAMemoryusedbyBA0:movAX,aB0:movAX,8A1:incAXB1:movb,AXA2:mova,AXa2b8执行执行B0B0和和B1B1后后…………chap37PDF文件使用"pdfFactoryPro"试用版本创建www.fineprint.cn进程状态转换(8/10)PCBofprocessAPCBofprocessBCPUstatereadystateready1AX8AX3AX8ZUCCPCA2PC操作系统原理B22PCB23Memoryusedby