● 对于一个大型的软件项目,由于项目的复杂性,需要进行一系列的估算处理。主要按__(24)__和__(25)__手段进行。估算的方法分为三类:从项目的整体出发,进行的方法称为__(26)__估算法。把待开发的软件细分,直到每一个子任务都已经明确所需要的开发工作量,然后把它们加起来,得到软件开发总工作
量的方法称为__(27)__估算法。而把待开发的软件项目与过去已完成的软件项目做类比,区分出类似部分和不同部分分别处理的方法称为__(28)__估算法。
(24)
● Personal firewall is a technology that helps __(66)__ intruders from accessing data on your PC via the Internet or another network, by keeping __(67)__ data from entering or exiting your system.
Hackers do not just target national security organizations for __(68)__: They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to __(69)__ in the latest denial-of-service attack on the Internet. Now that “always-on” broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data.
Firewalls can block __(70)__ attacks and protect your PC from outside threats.
(66)
● When we announced Java 2 Micro Edition (J2ME) a few years ago, we believed that Java had an important role to play in hand held devices. Some were __(71)__ that Java would be small enough for such limited devices.
But no __(72)__, Java for the small device is a success. J2ME has emerged strongly in the wireless market. Java's portability and extensibility have brought about rapid __(73)__ in this market.
The success of Java beyond desktop computers is significant __(74)__ developers. Java literacy is now more important than ever, as Java is used more and more to __(75)__ a whole range of new computing devices—not only wireless handsets but also personal digital assistants, cameras, automobiles, home control, and so on.
(71)
● 实施信息系统建设监理的重要目的是__(64)__。
(64)
● 在编制监理规划过程中,应首先确定__(65)__的内容,以便编写其他相关内容。
(65)
对于承包商来说,风险最大的合同计价形式为__()__合同。
● 在监理控制系统中,__(63)__子系统贯穿于项目实施全过程,并且把控制系统与外部环境联系起来。
(63)
● 实施合同中承包方必须按批准的进度计划组织开发,接受监理工程师对进度的检查和监督。如果工程实际进展与进度计划不符时,__(61)__。
(61)
● 监理工程师批准索赔的权限为__(59)__。
(59)
● 不同资质等级的监理单位在监理工程的__(60)__上是不加以区别的。
(60)
● 在编制监理规划时,有关监理措施的内容应突出__(58)__。
(58)
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