单项选择题
某工程包括A、B、C、D、E、F、G七个作业,各个作业的紧前作业、所需时间、所需人数如表12-10所示:该工程的计算工期为(1)周。按此工期,整个工程至少需要(2)人。
单项选择题某流水线浮点加法器分为五级,若每一级所需要的时间分别是6ns、7ns、8ns、9ns和6ns,则此流水线的最大加速比为(1)。若每一级的时间均为7ns,则最大加速比为(2)。
单项选择题
SOX is an alternative(1)for XML.It is useful for reading and creating XML content in a(2).editor.It is then easily transformed into proper XML.SOX was created because developers can spend a great deal oftime with raw XML.For many ofus,thepopular XML(3)have not reached a point where their tree views,tables and forms can completely substitute for the underlying(4)languagE.This is not surprising when one considers that developers still use a text view,albeit enhanced,for editing other languages such as Java)SOX uses(5)to represent the structure of an XML document,which eliminates the need for closing tags and a number of quoting devices.The result is surprisingly clear.