Estimating schedule activity costs involves developing an(69)of the costs of the resources needed to complete each schedule activity. Cost estimating includes identifying and considering various costing alternatives. For example, in most application areas, additional work during a design phase is widely held to have the potential for reducing the cost of the execution phase and product operations. The cost estimating process considers whether the expected savings can offset the cost of the additional design work. Cost estimates are generally expressed in units of(70)to facilitate comparisons both within and across projects.The(71 )describes the business need, justification, requirements, and current boundaries for the project. It provides important information about project requirements that is considered during cost estimating.A．accuracyB．approximationC．specificationD．summary
Estimating schedule activity costs involves developing an(69)of the costs of the resources needed to complete each schedule activity. Cost estimating includes identifying and considering various costing alternatives. For example, in most application areas, additional work during a design phase is widely held to have the potential for reducing the cost of the execution phase and product operations. The cost estimating process considers whether the expected savings can offset the cost of the additional design work. Cost estimates are generally expressed in units of(70)to facilitate comparisons both within and across projects.The(71 )describes the business need, justification, requirements, and current boundaries for the project. It provides important information about project requirements that is considered during cost estimating.
A．accuracy
B．approximation
C．specification
D．summary
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Tom is out of work now. Therefore, to him every penny _________. A. is valueB. countsC. is possibleD. costs
During the systems planning phase. a systems analyst conducts a（ ）activity to study the systems request and recommend specific action. After obtaining an authonzation to proceed. the analyst interacts with(请作答此空) to gather facts about the problem of opportunity, project scope and constraints, project benefits, and estimated development time and costs. In many cases. thesystems request does not reveal the underying problem, but only a symptom. A popular technique for investigating causesand effects is called ( )The analyst has analyzed the problem or opportunity. defined the project scope and constraints, and performed ( )to evaluate project usability, costs, benefits, and time constraints. The end product of the activity is ( ) .The main content must include an estimate of time .staffing requrements, costs, benefits, and expected results for the next phase of the SDLCA.system usersB.system ownerC.managers anD.usersD.business analysts
During the systems planning phase. a systems analyst conducts a（请作答此空）activity to study the systems request and recommend specific action. After obtaining an authonzation to proceed. the analyst interacts with( ) to gather facts about the problem of opportunity, project scope and constraints, project benefits, and estimated development time and costs. In many cases. thesystems request does not reveal the underying problem, but only a symptom. A popular technique for investigating causesand effects is called ( )The analyst has analyzed the problem or opportunity. defined the project scope and constraints, and performed ( )to evaluate project usability, costs, benefits, and time constraints. The end product of the activity is ( ) .The main content must include an estimate of time .staffing requrements, costs, benefits, and expected results for the next phase of the SDLCA.case studyB.requirements discoveryC.preliminary investigationD.business understanding
During the systems planning phase. a systems analyst conducts a（ ）activity to study the systems request and recommend specific action. After obtaining an authonzation to proceed. the analyst interacts with( ) to gather facts about the problem of opportunity, project scope and constraints, project benefits, and estimated development time and costs. In many cases. thesystems request does not reveal the underying problem, but only a symptom. A popular technique for investigating causesand effects is called ( )The analyst has analyzed the problem or opportunity. defined the project scope and constraints, and performed ( )to evaluate project usability, costs, benefits, and time constraints. The end product of the activity is (请作答此空) .The main content must include an estimate of time .staffing requrements, costs, benefits, and expected results for the next phase of the SDLCA.A.report to managementB.A.requirement definitionC.A.project charterD.A.request for proposal
During the systems planning phase. a systems analyst conducts a（ ）activity to study the systems request and recommend specific action. After obtaining an authonzation to proceed. the analyst interacts with( ) to gather facts about the problem of opportunity, project scope and constraints, project benefits, and estimated development time and costs. In many cases. thesystems request does not reveal the underying problem, but only a symptom. A popular technique for investigating causesand effects is called (请作答此空)The analyst has analyzed the problem or opportunity. defined the project scope and constraints, and performed ( )to evaluate project usability, costs, benefits, and time constraints. The end product of the activity is ( ) .The main content must include an estimate of time .staffing requrements, costs, benefits, and expected results for the next phase of the SDLCA.fishbone diagramB.PERT diagramC.Gantt diagramD.use case diagram
During the systems planning phase. a systems analyst conducts a（ ）activity to study the systems request and recommend specific action. After obtaining an authonzation to proceed. the analyst interacts with( ) to gather facts about the problem of opportunity, project scope and constraints, project benefits, and estimated development time and costs. In many cases. thesystems request does not reveal the underying problem, but only a symptom. A popular technique for investigating causesand effects is called ( )The analyst has analyzed the problem or opportunity. defined the project scope and constraints, and performed (请作答此空)to evaluate project usability, costs, benefits, and time constraints. The end product of the activity is ( ) .The main content must include an estimate of time .staffing requrements, costs, benefits, and expected results for the next phase of the SDLCA.feasibility analysisB.requirement analysisC.system proposalD.fact-finding