50 Statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.A. Definitive, bottom up.B. Analogy, top down.C. Parametric, bottom up.D. Parametric, top down.E. Analogy, bottom up.

题目

50 Statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.

A. Definitive, bottom up.

B. Analogy, top down.

C. Parametric, bottom up.

D. Parametric, top down.

E. Analogy, bottom up.

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更多“50Statistical cost estimating techniques (based upon history), are called _____ estimates ”相关问题

  • 第1题：

    The maths teacher is the only one she looks ().

    A、for

    B、up

    C、up to

    D、upon


    参考答案：C

  • 第2题：

    This letter is in response () your inquiry regarding

    A、to:on

    B、for

    C、upon


    参考答案：A

  • 第3题：

    Reliable delivery of messages is ensured by ______ techniques．

    A.forward error correction

    B.aftward error correction

    C.DGPS

    D.error-free and low error reception


    正确答案：A

  • 第4题：

    We are looking forward () receiving your early reply.

    A、for

    B、to

    C、on

    D、upon


    参考答案：B

  • 第5题：

    ［A］ with ［B］ like ［C］ inside ［D］ upon


    正确答案：A

    本题考查介词辨析。空格前的but为并列连词，连接句子中的两个状语成分，即，in front of... 和 the sound thundering。“with+名词+分词”可构成独立主格结构，作状语。因此［A］正确。其它项作介词时，like意为“像，如同”，inside意为“在......里面”，upon意为“在......上”。

  • 第6题：

    A variety of tools is available to help the analyst to discover the users' true needs.These tools are grouped into three broad techniques that are based on the degree of change anticipated in the to-be system . Business process（71） is used when the basic business Requirements outlined in the system request focus on employing computer technology in some aspect of the business process. Two popular activities used in the technique are（72）. Business process（73）means that the basic business requirements target moderate changes to the organization' s operations.

    （74）are three popular activities in the technique. Business process （75）means changing the current way of doing business and making major changes to take advantage of new ideas and new technology.

    A. Duration analysis,activity-baseD.costing anD.informal bench marking
    B.Outcome analysis, technology analysis anD.activity elimination
    C.Problem analysis, root cause analysis anD.critical path analysis
    D.Cost-benefit analysis, schedule analysis anD.risk analysis

    答案：A
    解析：
    可以使用各种工具来帮助分析师发现用户的真实需求。基于在待系统中预期的变化程度可以将这些工具分为三种。在业务需求中强调采用计算机技术，因此而采用了业务流程（71）技术，该技术使用了两种通用的活动分别是（72）。业务流程（73）意味着基本业务需求针对组织运营的适度变化。（74）是该技术的三大活动。业务流程（75）是利用新思路和新技术来改变商业活动方式。（71） A．自动化 B．建模 C．实施 D．重建（72） A．过程分析和结果分析 B．问题分析和根本原因分析 C．技术分析和作业消除 D．基于活动的成本和非正式的标杆分析法（73） A．自动化 B．建模 C．改进 D．重建（74） A. 持续时间分析，基于活动的成本核算和非正式的基准测试 B．结果分析，技术分析和作业消除 C．问题分析和根本原因分析和关键路径分析 D．成本效益分析， 进度分析和风险分析 （75） A．自动化 B．建模 C．实施 D．重建

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