题目内容

The operating system must make _________ types of scheduling decisions with respect to the execution of processes.

A. six
B. five
C. four
D. three

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This is a decision whether to add a process to those that are at least partially in main memoryand therefore available for execution:

A. long-term scheduling
B. I/O scheduling
C. short-term scheduling
D. medium-term scheduling

A risk with _________ is the possibility of starvation for longer processes, as long as there is asteady supply of shorter processes.

A. SRT
B. SPN
C. FIFO
D. HRRN

The decision as to which available process will be executed by the processor:

A. long-term scheduling
B. I/O scheduling
C. medium-term scheduling
D. short-term scheduling

下列进程调度算法中，综合考虑进程等待时间和执行时间的是（）。

A. 时间片轮转调度算法
B. 短进程优先调度算法
C. 先来先服务调度算法
D. 高响应比调度算法