Essentials of Systems Analysis and Design Chapter 4

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Intangible benefit

A benefit derived from the creation of an information system, that cannot be easily measured in dollars or with certainty

Tangible Benefit

A benefit, derived from the creation of an information system, that can be messing in dollars and with certainty

Tangible Cost

A cost associated with an information system that can be easily measured in dollars and with certainty

Intangible Cost

A cost associated with an information system, that cannot be easily measured in terms of dollars or with certainty

One-time cost

A cost associated with project initiation and development, or system startup

Recurring Cost

A cost resulting from the ongoing evolution and use of the system

Project scope statement

A document prepared for the customer that described what the project will deliver and outlines generally at a high level all work required to complete the project

Internet

A network of interconnected individual networks that use a common protocol to communicate with each other

Walkthrough

A peer group review of any product created during the systems development process; also called a structured walkthrough

Economic Feasibility

A process of identifying the financial benefits associated with a development project

Incremental Commitment

A strategy in systems analysis and design in which the project is reviewed after each phase, and continuation of the project is rejustified in each of these review

Break-even Analysis

A type of cost-benefit analysis to identify at what point (if ever) benefits equal costs

Business Case

A written report that outlines the justification for an information system. The report highlights economic benefits and costs and the technical and organizational feasibility of the proposed system

Extranet

Internet-based communication to support B2B activities

Intranet

Internet-based communication to support business activities within a single organization

Baseline Project Plan (BPP)

One of the major outcomes and deliverables from the project initiation and planning phase. It contains the best estimate of the project's scope, benefits, costs, risks, and resource requirements

Present Value

The current value of a future cash flow

Discount Rate

The interest rate used to compute the present value of future cash flows

Legal and contractual feasibility

The process of assessing potential legal and contractual ramifications due to the construction of a system

Operational Feasibility

The process of assessing the degree to which a proposed system solves business problems or takes advantage of business opportunities

Schedule Feasibility

The process of assessing the degree to which the potential time frame and completion dates for all major activities within a project meet organizational deadlines and constraints for effecting change

Technical Feasibility

The process of assessing the development organization's ability to construct a proposed system

Time Value of Money (TVM)

The process of comparing present cash outlays to future expected returns

Political Feasibility

The process of evaluating how key stakeholders within the organization view the proposed system

Electronic Data Interchange (EDI)

The use of telecommunication technologies to transfer business documents directly between organizations


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