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89860 篇文章 33 次评论单选题：Which is not the service that the operating system should provid
Which is not the service that the operating system should provide? @[B](1)A. I/O operation B. Game engineC. File-syst…
单选题：Which one of the following occurrences in the kernel is LEAST li
Which one of the following occurrences in the kernel is LEAST likely?@[A](1)A. An external interrupt results in a BLOCKE…
单选题：A computer has only one CPU, however with multiprogramming opera
A computer has only one CPU, however with multiprogramming operating system. At a snapshot, it is running in user mode a…
单选题：A new process entering the system is put in the ______ .
A new process entering the system is put in the ______ .@[C](1)A. running queue B. device queue C. ready queue D. wa…
单选题：A process will change its state from running to ready state when
A process will change its state from running to ready state when _____. @[B](1)A. it has been selected for execution by…
单选题：A single processor system is executing in user mode at a specifi
A single processor system is executing in user mode at a specific moment. If there are 6 user processes loaded on that…
单选题：A process will change its state from “waiting” to “ready” when _
A process will change its state from “waiting” to “ready” when _____. @[B](1)A. it has been selected for execution by sc…
单选题：A waiting process will change to _______ if the waited event occ
A waiting process will change to _______ if the waited event occurs. @[D](1)A. running state B. waiting stateC. waiting…
单选题：In following descriptions of process, ______ is not proper.
In following descriptions of process, ______ is not proper.@[A](1)A. A process is a program B. A process includes code,…
单选题：If a running process invokes the wait operation on a semaphore a
If a running process invokes the wait operation on a semaphore and cause its value to be negative, then the process will…