MIS 762 - System Design and Analysis

What is a methodology?

A formalized approach to implementing the SDLC (i.e. it is a list of steps and deliverables)

Who is an Infrastructure Analyst?

An individual that focuses on the technical issues surrounding hos the system will interact with the organization's technical infrastructure.

Who is a Project Manager?

An individual that is responsible for ensuring that the project is completed on time and wihtin budget and that the system delivers all benefits intended by the project sponsor.

What is the Design phase of the SDLC?

Decides how the system will operate, in terms of the hardware, software, and network infrastructure.

What is the Implementation phase of the SDLC?

During which the system is actually built (or purchased, in the case of a packaged software design)

What is a data-centered methodology?

emphasize data models as the core of the system concept.

What is a process-centered methodology?

emphasizes process models as the core of the system concept.

What issues would a Change Management Analyst asses?

ensuring that the adequate documentation and support are available to users, providing user training on the new system, developing strategies to overcom resistance to change.

What issues would an Infrastructure Analyst asses?

ensuring that the new information system conforms to organizational standards, identifying infrastructure changes needed to support the system.

What issues would a Systems Analyst asses?

develops ideas and suggestions for how information technology can improve business processes, designs the new business processes with help from the business analyst, designs the new information system, ensures that all IS standards are maintained.

What are the three steps of the Analysis phase of the SDLC?

1. An analysis strategy is developed to guide the project team's efforts. 2. Requirements gathering through interviews or questionnaires 3. analyses, system concepts, and models are combined into a document called the system proposal

What are the two key advantages to the structured design waterfall approach.

1. Identifies system requirements long before programming begins 2. Minimizes changes to the requirements as the project proceeds.

What are the three steps of the Implementation phase?

1. System Construction 2. System Installation 3. Support Plan

What are the four steps of the Design phase of the SDLC?

1. The design strategy is first developed 2. Development of the architecture design 3. database and file specifications are developed 4. Program design is development.

What are the two steps of the Planning phase of the the SDLC?

1. The system's business value to the organization is identified. A System request is genereated. 2. Project management starts, a work plan is created, staffs the project, puts techniques in plance to help the project team.

Who is a Systems Analyst?

An individual that focuses on the IS issues surrounding the system.\

Who is a business analyst?

An individual that focuses on the business issues surrounding the system.

Who is a Change Management Analyst?

An individual that focuses on the people and management issues surrounding the system installation.

What is the Analysis phase of the the SDLC?

Answers the questions of who will use the system , what the system will do, and where and when it will be used.

What is the Parallel development methodology?

Attempts to address the problem of long delay between the analysis and delivery of the system by breaking the project into a series of distinct subprojects that can be designed and implemented in parallel.

What is structured design?

Is a formal step-by-step approach to the SDLC that moves logically from one phase to the next.

What is an Object-Oriented methodology?

It is an attempt to balance the focus between process and data by incorporating both into one model.

What is the Systems Development Life Cycle?

It is the process fo understanding how an information sytem (IS) can support business needs by designing a system, building it, and deliverieng it to users.

What are the four fundamental phases of the System Development Life Cycle?

Planning, Analysis, Design, and Implementation

What are Change Agents?

Project members who identify ways to improve an organization, build an information system to support them, and train and motivate others to use the system.

What are Six key skills that analysts need?

Technical, business, analytical, interpersonal, management, ethical

What is the waterfall development methodology?

The analysts and users proceed in one sequence from one phase to the next. The deliverables for each phase are typically very long.

What issues would a business analyst asses?

The business value that the system will create, developing ideas and suggestions for how the business processes can be imporoved, designing the new processes and policies in conjunction with the systems analyst.

What is the Planning Phases of the SDLC?

The fundamental process of understanding why an information system should be built and determining how the project team will go about building it.

What issues would a Project Manager asses?

managing team members, developing the project plan, assigning resources, being the primary point of contact when people outside the team have questions about the project.