Systems Development Process

Systems Development Life Cycle

the factoring of the lifetime of an information system

Systems Development Process

a standardized methodology defines a set of activities, methods, best practices, deliverables, and tools for system developers and project managers to develop and continuously improve information systems and software.

Systems development life cycle

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

Planned Projects

An information systems strategy plan has examined the business as a whole to identify those system development projects that will return the greatest strategic (long-term) value to the business

Unplanned projects

Triggered by a specific problem, opportunity, or directive that occurs in the course of doing business.

Backlog

a repository of project proposals that cannot be funded or staffed because they are a lower priority than those that have been approved for system development.

Problem

an actual undesirable situation that prevents the organization from fully achieving its purpose, goals, and/or objectives.

Opportunity

a chance to improve the organization even in the absence of an identified problem

Directive

a new requirement that is imposed by management, government, or some external influence/parties

Effective

Do right thing

Efficient

Do thing right

Competitive

Do thing differently

System owners

They define the SCOPE of a system

an information system’s sponsors and executives advocate, usually responsible for funding the project of developing, operating, and maintaining the information system.

System users

They define the REQUIREMENTS of the system.

use or are affected by an information system on a regular basis – capturing, validating, entering, responding to, storing, and exchanging data and information.

System Designers

Their activities relate to the DESIGN of a system

system translate system users’ business requirements and constraints into technical solution: computer databases, inputs, outputs, networks, and software meeting the system users’ requirements.

System Builders

constructs information systems based on the design specifications from the system designers. Their activities relate to building the COMPONENTS of the system.

Systems analysts

They are FACILITATORS of the system development project.

study the problems and needs of an organization to determine how people, data, processes, and information technology can best accomplish improvements for the business.