2017年电子科技大学基础与前沿研究院820计算机专业基础之计算机操作系统考研仿真模拟题
● 摘要
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1 _____
2 __________
3 __________
4 CPU scheduling is the task of selecting a waiting process from the_____queue and allocating the CPU to it.First-come-First-servedFCFS scheduling is the simplest scheduling
algorithm._____scheduling is provably optimal, providing the shortest average waiting time.
ready :ShortestProcessFirst
CTU SPF CPU
5 __________
6 ____________________
OS
7 _____
8 _____
9 _____
1
2/
10__________, _____
11
A.
B.
C.
D. CPU
A
B C D
12UNIX
A.
B.
C.
D.
D
13" 0"
A.
B.
C.
D.
B
14CPU
A.
B.
C.
D.
D
A B C CPU
15
A.
B.
C.
D.
D
" "