题目内容

What is ‘Aging’?

A. keeping track of cache contents
B. keeping track of what pages are currently residing in memory
C. keeping track of how many times a given page is referenced
D. increasing the priority of jobs to ensure termination in a finite time

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A solution to the problem of indefinite blockage of low – priority processes is ____________

A. Starvation
B. Wait queue
C. Ready queue
D. Aging

Under nonpreemptive scheduling, once the CPU has allocated to a process, the process keeps the CPU until1.It releases the CPU by terminating2.It releases the CPU by switching to the waiting state3.It releases the CPU by switching to the ready state4.It releases the CPU by switching to the running state

A. 1 and 2
B. 1,2,3
C. 2,3,4
D. 1,2,3,4

Which of the following scheduling algorithms gives minimum average waiting time?

A. FCFS
B. SJF
C. Round – robin
D. Priority

商务洽谈时，A公司的男经理与B公司的女业务员会面，请问谁先伸手？

A. 男士
B. 女士