1. What is information technology, and why is it important to a business?
Information Technology (IT) is combination of hardware, software and services that people use to manage, communicate, and share information. It helps a business with product development, process improvement, stakeholder integration, cost efficiencies, and globalization.
2. Define business profiles, processes, and modeling.
Business profile is an overview of a company’s mission, functions, organization, products, services, customers, suppliers, competitors, constraints, and future direction.
Business process describes specific events, tasks, and desired results.
Business process model (BPM) displays one or more ...view middle of the document...
Describe five types of information systems, and give an example of each.
1. Enterprise computing systems support company-wide data management for example airline reservation systems
2. Transaction Processing System process data generated by day-to-day business operations for example customer billing systems.
3. Business support systems provide job-related information support to all users of a company for example inventory reordering systems.
4. Knowledge management systems simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied for example technical support knowledge base.
5. User productivity systems provide employees at all organizational levels with a wide array of tools that can improve quality and job performance for example database management systems.
7. Describe four organizational levels of a typical business and their information requirements.
Top Management – needs information for strategic planning. Top managers develop long-range plans, strategic plans, which define the company’s overall mission and goals.
Middle management – needs information for tactical planning, focus on a shorter time frame. Middle managers delegate authority and responsibility to team leaders or supervisors and then provide direction, necessary resources, and feedback on performance as tasks are completed.
Lower Management – needs information for day-to-day operational plans. Lower managers coordinate operational tasks, make necessary decisions, and ensure that the decision support information, consults knowledge management systems, and relies on user productivity systems to carry out their day-to-day responsibilities.
Operational management – needs information to handle tasks and make decisions that were assigned previously to supervisors.
8. Describe the phases of the systems development life cycle, and compare the SDLC waterfall model with the spiral model.
System planning – begins with a systems request describing...