CS 110 Chapter 9

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Systems deveopment life cycle (SDLC)

The overall process for developing information systems from planning and analysis through implementation and maintenance

Planning phase

Establishes a high-level plan of the intended project and determines project goals

Analysis phase

Involoves analyzing end-user business requirements and refining project goals into defined functions and oeprations of the intended system

Business requirement

Specific business requests the system must meet to be successful

Design phase

Establishes descriptions of the desired features and operations of the system including screen layouts, business rules, process diagrams, pseudo code, and other documentation

Development phase

Involves taking all the detailed design documents from the design phase and transforming them into the actual system

Testing Phase

Involves bringing all the project pieces together into a special testing environment to eliminate errors and bugs, and verify that the system meets all of the business requirements defined in the analysis phase

Implementation phase

Involves placing the system into production so users can begin to perform actual business operations with it

Maintenance phase

Involves performing changes, corrections, additions, and upgrades to ensure the system continues to meet its business goals

Waterfall methodology

A sequence of phases in which the output of each phase becomes the input for the next

Extreme programming (XP) methodology

Breaks a project into tiny phases, and developers cannot continues on to the next phase until the first phase is complete

Project

Temporary activities undertaken to create a unique product or service

Project management

The application of knowledge, skills, tools, and techniques to project activities to meet project requirements

Project manager

An individual who is an expert in project planning and management, defines and develops the project plan, and tracks the plan to ensure the project is completed on time and on budget

Project deliverable

Any measurable, tangible, verifiable outcome, result, or item that is produced to complete a project or part of a project

Project milestone

Represents key dates when a certain group of activities must be performed

Project Management Office (PMO)

An internal department that oversees all organizational projects

Project stakeholder

Individuals and organizations actively involved in the project or whose interests might be affected as a result of project execution or project completion

Executive sponsor

The person or group who provides the financial resources for the project

Project charter

A document issued by the project initiator or sponsor that formally authorizes the existence of a project and provides the project manager with the authority to apply organizational resources to project activities

SMART

________ criteria are useful reminders on how to ensure that the project has created understandable and measurable objectives

Project plan

A formal, approved document that manages and controls project execution

In-sourcing

uses the professional expertise within an organization to develop and maintain its information technology systems

Outsourcing

An arrangement by which one organization provides a service or services for another organization that chooses not to perform them in-house

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