一个CPU面对多个进程的情况,关于这个问题,下列说法不正确的是() A.一个CPU只

题型:单项选择题

问题:

一个CPU面对多个进程的情况,关于这个问题,下列说法不正确的是()

A.一个CPU只能执行一个进程。执行另一个进程时需将前一个进程从内存中清除以腾出空间给后一个进程使用;

B.一个CPU可以采取分时处理的办法,执行多个进程,而使每个进程都感觉其独占CPU;

C.一个CPU执行多个进程时,必须要解决进程切换前后的状态保护问题,即一个进程在此前被中断执行,而当其恢复时应做到在哪里中断则在哪里恢复;

D.进程被CPU中断运行时,该进程可能仍旧在内存中保留,只是其状态被改变为“就绪”或者“等待”。

考点:计算机基础计算机基础题库
题型:单项选择题

下列关于短期融资券筹资的表述中,不正确的是( )。

A.发行对象为公众投资者

B.发行条件比短期银行借款苛刻

C.筹资成本比公司债券低

D.一次性筹资数额比短期银行借款大

题型:单项选择题

大叶性肺炎()

A.呼吸停止

B.Cheyne-Stokes呼吸

C.Kussmaul呼吸

D.抑制性呼吸

E.叹息样呼吸

题型:单项选择题

补写出下列名句名篇中的空缺部分。(任选3题)

小题1:积水成渊,蛟龙生焉;________________,_____________,圣心备焉。 (《荀子·劝学》)

小题2:时维九月,序属三秋。________________,________________。(王勃《滕王阁序》)

小题3:___________,____________。冰泉冷涩弦凝绝,凝绝不通声暂歇。 (白居易《琵琶行》)

小题4:有志与力,______________,_______________,亦不能至也。 (王安石《游褒禅山记》)

题型:单项选择题

With hundreds of millions of electronic (161) taking place daily, businesses and organizations have a p incentive to protect the (162) of the data exchanged in this manner, and to positively ensure the (163) of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations, and for deploying p security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security (164 ) that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in (165 ) and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations.

(161)是()

A.devices

B.transactions

C.communications

D.businesses

题型:单项选择题

下面哪些是危及安全供血的行为()。

A.有多个性伙伴

B.同性恋

C.吸毒

D.卖淫

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