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【单选题】
下图为复杂环境中,在操作系统管理下进行程序执行的基本思想示意图。关于“任务”、“作业”与“进程”,下列说法不正确的是( )。【图片】
A.
任务和作业都是指需要计算机完成的一项项工作。它们之间的区分仅是从管理者的角度,将一项大粒度的工作,例如一个应用程序的完整执行,称为“任务”;而将一项小粒度的工作,例如一个“进程”可以完成的工作,称为“作业”。“进程”是指 CPU 完成相关工作的程序代码
B.
从本质上讲,“任务”、“作业”都是指工作,而“进程”则是指完成工作的程序代码
C.
一个任务可以分解成若干个作业。一项作业即可能是指如程序装载等为程序运行做准备的工作,也可能是指程序本身的运行。前者是由操作系统的进程来完成的,后者由应用程序自身的进程来完成
D.
给出的选项有不正确的
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举一反三
【单选题】The following regression equation was estimated: Y = -2.0 + 4.6X. This indicates that
A.
there has been an error since "b" cannot be a negative number.
B.
there is a negative relationship between the two variables.
C.
Y equals 44 when X is 10
D.
the correlation coefficient for Y and X will be negative
【判断题】曼彻斯特码属于不归零码。
A.
正确
B.
错误
【判断题】Research clearly indicates that the Theory Y manager is more effective in motivating employees than the Theory X manager.
A.
正确
B.
错误
【单选题】In the diagram below, the plane drawn behind the peptide bond indicates the:
A.
absence of rotation around the C—N bond because of its partial double-bond character.
B.
plane of rotation around the C a —N bond.
C.
region of steric hindrance determined by the large C=O group.
D.
region of the peptide bond that contributes to a Ramachandran plot.
E.
theoretical space between –180 and +180 degrees that can be occupied by the f and y angles in the peptide bond.
【简答题】The componential ysis of “child (x, y) and male(x) ” indicates the meaning of the word____.
【单选题】景区讲解员在讲解中如遇到有争议的科学原理、事件或人物,宜选用( )给予表达。
A.
贬义词
B.
褒义词
C.
中性词
D.
个人观点
【判断题】6) Research clearly indicates that the Theory Y manager is more effective in motivating employees than the Theory X manager.
A.
正确
B.
错误
【单选题】After the bell rings, which indicates the ending of the exam, you_____ stay ____ you are until all your papers are collected.
A.
shall, where
B.
would, where
C.
will, in which
D.
can, what
【简答题】真菌门分为 5 个亚门 : 、 、 、 和 。
【单选题】_______ indicates that the zero,Y,Z return is over for the respective axis X.
A.
Home
B.
Alarm
C.
Machine reset
D.
Machine lock
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