CPU芯片的主要参数是(26)。

A．字长、主频

B．字长、主频、cache容量

C．字长、主频、外频、cache容量

D．字长、主频、外频、FSB、cache容量

在层次化网络设计方案中，通常在(68)实现网络的访问策略控制。

A．应用层

B．接入层

C．汇聚层

D．核心层

involves using mathematical techniques to forecast future outcomes based on historical results.

A．Trend analysis

B．Quality audit

C．Defect repair review

D．Flowcharting

影响软件开发成本估算的因素不包括以下哪项(4)。

A．软件人员业务水平

B．软件开发规模及复杂度

C．开发所需时间

D．开发所需硬件资源模型。

The(71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(72). In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a(73), which consists of(74) indicated using a circle, and(75) shown as a rectangle. These two components can be linked by means of a directed arc.

A．waterfall model

B．workflow reference model

C．evolutionary model

D．spiral model

模块设计时通常以模块的“高内聚、低耦合”为目标，下面给出的四项内聚类型中，最：里想的内聚形式是__________。
A．功能内聚B．逻辑内聚C．通信内聚D．过程内聚