2. 计算机
  3. User　programs　interact　with　the　kernel　through　a　set　of　standard(71).　They　request　services　to　be　provided　by　the　kernel.　Such　s

User　programs　interact　with　the　kernel　through　a　set　of　standard(71).　They　request　services　to　be　provided　by　the　kernel.　Such　s

admin2010-05-22  33
问题 User　programs　interact　with　the　kernel　through　a　set　of　standard(71).　They　request　services　to　be　provided　by　the　kernel.　Such　services　would　include　accessing　a　file:　open　close,　read,　write,　link,　or　execute　a　file;　starting　or(72)accounting　records;　changing　ownership　of　a　file　or(73);　changing　to　a　new　directory;　creating,(74),　or　killing　a　process;　enabling　access　to　hardware　devices;　and　setting　limits　on　system　resources.　Unix　is　a　multi　-user,　multi　-tasking　operating　system.　You　can　have　many　users　logged　into　a　system　simultaneously,　each　running　many　programs.　It’s　the　kernel’s　job　to　keep　each　process　and　user　separate　and　to　regulate　access　to(75),　including　cpu,　memory,　disk　and　other　L/O　devices.
选项 A、system　hardware
B、system　software
C、keyboard
D、operation　system
答案A
解析 system　hardware：系统硬件
转载请注明原文地址:https://kaotiyun.com/show/GnTZ777K
本试题收录于： 数据库系统工程师上午基础知识考试题库软考中级分类
0

数据库系统工程师上午基础知识考试

软考中级

相关试题推荐
随机试题
最新回复(0)