2025年捷成计算机等级考试四级模拟试题.pdfVIP

丹青不知老将至，贫贱于我如浮云。——杜甫

捷成计算机等级考试四级模拟试题（第四套）

1)P(n)isthepredicateif4dividenthen2dividesn.

A)10

B)F

C)T

D)Noneoftheabove

2)WhatisthedefinitionofaPath

A)Asequenceandtheedgesformedbyeach

successivepairofvertices.

B)Awalkwithdistinctvertices.

C)Awalkwithdistinctedges.

D)Noneoftheabove.

3)WhichUNIXcommandcreatesasymboliclinknamed

myfileinthecurrentdirectorytothe

file/etc/hosts

A)ln-s/etc/hostsmyfile

B)ln-smyfile/etc/hosts

C)link-s/etc/hostsmyfile

D)link-smyfile/etc/hosts

4)WhichMS-DOScommandiscorrect

A)DEL/S*.bat

B)DEL*.exe/SP

长风破浪会有时，直挂云帆济沧海。——李白

C)DEL*.objNUL:

D)DEL*.com*.sys

5)Avirtualmemorysystemhasfivevirtualpagesnumbered

zerothroughfourandthreepage

frames.Allthepageframesareinitiallyempty.Howmany

pagefaultsaregeneratedwiththe

followingaccesssequenceusingaFIFOreplacementpolicy

012301401234

A)8

B)9

C)10

D)11

6)WhichelementisNOTpartofamicrokernel?

A)basicI/O

B)afilesystem

C)IPCmechanisms

D)memorymanagement

7)Whichislocaltoathreadinsteadofaprocess?

A)astack

B)anopenfile

C)asemaphores

D)