Dimensions of Information Systems and Business Operations

Dimensions of Information Systems

Describe the organizational, management, and technology dimensions of information systems.

• Organization: Such as the organization’s hierarchy, functional specialties, business processes, culture, and political interest groups.
• Management: Involves setting organizational strategies, allocating human and financial resources, creating new products and services, and re-creating the organization if necessary.
• Technology: Involves computer hardware, software, data management technology, and telecommunications technology.

Impact of Information Systems on Business

Describe how information systems have changed the way businesses operate and their products and services.

Wireless communications, including computers and mobiles, are keeping managers, employees, customers, suppliers, and business partners connected in every way possible. Email, online conferencing, the Web, and the Internet, are providing new and diverse lines of communication for all businesses. Through increased communication channels and decreased costs of the communications, customers are demanding more of businesses in terms of service and product, at lower costs. E-commerce is changing the way businesses must attract and respond to customers.

Rapid Application Development (RAD) Model

Explain when to use the rapid application development (RAD) model.

RAD should be used when there is a need to create a system that can be modularized in 2-3 months. It should be used if there’s high availability of designers for modeling and the budget is high enough to afford their cost along with the cost of automated code generating tools. RAD SDLC model should be chosen only if resources with high business knowledge are available and there is a need to produce the system in a short span of time (2-3 months).

Software Development Life Cycle (SDLC)

What is a Software Development Life Cycle?

It is a process of creating systems, methodologies, and models that people use to develop software. The SDLC consists of many kinds of software development methodologies.

SDLC Phases

• Initiation
• Requirements analysis and gathering
• Design
• Development
• Testing
• Implementation
• Maintenance and support