【单选题】某单道批处理系统中有四个作业JOB1、JOB2、JOB3和JOB4,它们到达“输入井”的时刻和需要的运行时间如下表所示: 假设9:30开始进行作业调度,按照最高响应比作业优先算法,首先被调度的作业是
【多选题】You have created a job class, CUST_JOB_1, with two jobs, CUST_JOB_1_A and CUST_JOB_1_B. Which two statements are true? ()
A.
The member jobs would get dropped when the job class is dropped.
B.
Both the jobs would be executed concurrently.
C.
The member jobs would get disabled when the job class is dropped.
D.
The attributes defined at the class level would be applied to both the jobs.
E.
Jobs in the job class must have been assigned the same priority.
【单选题】假定 A 是一个类 , 则执行 “ A *p=new A[1 5 ]; ” 语句时共调用该类构造函数的次数是
【单选题】假定Rect是一个类,则执行Rect rect;语句时将自动调用该类的____
【单选题】假定MyClass是一个类,则执行MyClass a[3],*p[2];语句时,自动调用该类的构造函数次数是()。
【单选题】Consider the following code snippet: BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE ( name => ,,lne_job1, attribute => ,,job_priority, value => 1); END; / If this code were executed, which of the following...
A.
The priority of the lne_job1 job would be set to 1.
B.
The lne_job1 job would be executed synchronously.
C.
The lne_job1 job would run immediately in the users current session.
D.
The lne_job1 job would retain its current priority.
E.
The job will immediately take priority over all running jobs.
【简答题】请听下面一段材料,回答第1、2题 1. What kind of job is the man interested in? A. A job related to(与…相关)designing. B. A job related to computers. C. A job related to advertising. 2. What does the man suggest the woma...
【单选题】某单道批处理系统中有四个作业JOB1、JOB2、JOB3和JOB4,它们到达“输入井”的时刻和需要的运行时间如下表 假设9:30开始进行作业调度,按照最高响应比作业优先算法,首先被调度的作业是