错题1及原因,理解情况
To which state does the currently executing process return when it is interrupted by the operating system?
A.
Ready
B.
New
C.
Waiting
D.
Terminated
E.
Running
正确答案: A
你的作答: C
答:返回准备状态
错题2及原因,理解情况
Which of the following describes a CPU scheduling algorithm in which each process is given a small amount of time to use the CPU before being forced to wait until its turn comes around again?
A.
Shortest-job-next
B.
First-come, first-served
C.
Time slice
D.
Round robin
E.
Turnaround time
正确答案: D
你的作答: C
答:循环使其可以少量使用cpu
错题3及原因,理解情况
If a program is loaded into memory beginning at address 555555, what is the physical address of relative address 333333?
A.
222222
B.
888888
C.
555555
D.
333333
E.
888888011
正确答案: B
你的作答: A
答:程序开头存储在555555,再加上333333得到物理地址
错题4及原因,理解情况
Which of the following is a disk-scheduling algorithm that moves disks heads by the minimum amount necessary to satisfy any pending request?
A.
First-come, first-served
B.
SCAN
C.
Shortest-seek-time-first
D.
Latency
E.
Seek time
正确答案: C
你的作答: A
答:最短寻道可达到请求所需的最小量
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