操作系统试卷 answer error
imba-tjd opened this issue · comments
此文件的第二题的答案应是C我错了_(:з」∠)_：https://github.com/FengGuanxi/HDU-Experience/blob/master/%E5%AD%A6%E4%B9%A0/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/%E8%AF%95%E5%8D%B7/2016-2-17-2A%E7%AD%94%E6%A1%88%E5%8F%8A%E8%AF%84%E5%88%86%E6%A0%87%E5%87%86.docx
2.操作系统中采用的以空间换时间的技术是（ ）。
A．SPOOLing技术 B．通道技术
C．虚拟存储技术 D．中断技术
PR我就不开了，clone的速度太慢
使用 FastHub 从我的 Redmi Note 4 发送
这道题我也的确有疑问，但是老师有明确给出回复么？
不需要老师给回复…spooling是把独占的设备变成共享的…这能是一回事吗
emmmm好像百度出的答案是有spooling的:joy:
我再问问老师
在2018年07月07日 23:13，谭九鼎 写道： Closed #1.
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没……现在我觉得答案是对的……
SPOOLing（Simultaneous Peripheral Operations On Line）的直译意思是“联机情况下同时进行的外围设备操作”，通常称其为“假脱机操作”。SPOOLing系统是虚拟设备最典型的代表，包括假脱机输入系统和假脱机输出系统两个部分，是对脱机输入/输出技术的改进。
脱机操作需要卫星以及操作员的来回走动并装卸磁带，假脱机操作则不需要卫星机以及操作员工作。假脱机操作时在中断系统和I/O通道的支持下，利用多道程序技术，完成了脱机操作的功能，故称作假脱机操作。它的基本工作原理是，使用一道程序管理通道，完成从低速的I/O设备输入数据到高速的磁盘上；使用另一道程序管理通道，完成将数据从高速的磁盘输出到低速的I/O设备上；同时，其他进程可进行数据处理。
我问过老师了，老师也说选A spooling
在2018年07月08日 09:20，谭九鼎 写道： 没……现在我觉得答案是对的……
SPOOLing（Simultaneous Peripheral Operations On Line）的直译意思是“联机情况下同时进行的外围设备操作”，通常称其为“假脱机操作”。SPOOLing系统是虚拟设备最典型的代表，包括假脱机输入系统和假脱机输出系统两个部分，是对脱机输入/输出技术的改进。
脱机操作需要卫星以及操作员的来回走动并装卸磁带，假脱机操作则不需要卫星机以及操作员工作。假脱机操作时在中断系统和I/O通道的支持下，利用多道程序技术，完成了脱机操作的功能，故称作假脱机操作。它的基本工作原理是，使用一道程序管理通道，完成从低速的I/O设备输入数据到高速的磁盘上；使用另一道程序管理通道，完成将数据从高速的磁盘输出到低速的I/O设备上；同时，其他进程可进行数据处理。
https://baike.baidu.com/item/SPOOLing系统/22201350
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建议添加一个topic
谢谢你的建议，已经添加一个tag为hdu
…------------------ 原始邮件 ------------------
发件人: "谭九鼎"<notifications@github.com>;
发送时间: 2020年1月11日(星期六) 晚上8:10
收件人: "FengGuanxi/HDU-Experience"<HDU-Experience@noreply.github.com>;
抄送: "TracyMcgrady"<1007384211@qq.com>; "Comment"<comment@noreply.github.com>;
主题: Re: [FengGuanxi/HDU-Experience] 操作系统试卷 answer error (#1)
建议添加一个topic
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