题目内容

单选题 The ( ) scheduler creates a process from a job and changes a process back to a job.

A. job
B. process
C. virtual
D. queue

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单选题 The ()scheduler moves a process from one process state to another.

A. job
B. process
C. virtual
D. queue

单选题 To prevent (), an operating system can put resource restrictions on processes.

A. starvation
B. synchronization
C. paging
D. deadlock

单选题 ( ) can occur if a process has too many resource restrictions.

A. starvation
B. synchronization
C. paging
D. deadlock

填空题 An ____facilitates the execution of other software, acts as the general manager of computer system, and ensures the efficient use of hardware and software.

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