Chapter 1 Introduction to Systems Analysis and Design

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What are the five main components of an information system?

Hardware, software, data, processes, and people

Describe the business profile of a home improvement store like Home Depot or Lowe's and how it is used

A store like Home Depot's business profile would include the normal contact information as usual, but then would have history "The Home Depot's proposition was to build home-improvement superstores"

Compare three systems development methods

A structured system - is more of a top down approach, this system if great if you can acheive each module and they work together. Object Oriented system is a relationship based system and works well if all objects can communicate with each other Agile system - is a system of designing, planning, and coding. This system is very flexible.

What are the roles and responsibilities of a systems analyst in a modern business?

A system analyst needs good communication, business, critical thinking, and education skills.

Summarize the seven main functions of the IT department

Application Development, Systems Support and Security, user support, database admin, network admin, web support, quality assurance

Name the tools that enable the systems analyst to develop, manage, and maintain large-scale information systems

Application lifecycle management (ALM), product life cycle management, integrated development environments, computer aided software engineering

What is information technology, and why is it important to society?

IT refers to the combination of hardware, software, and services that people use to manage, communicate, and share information. Companies use information as a way to increase productivity, deliver quality products and services, maintain customer loyalty, and make sound decisions. Business success depends on IT since it has a major influence on everyday life today.

Explain how ride sharing services such as Uber and Lyft are disrupting traditional taxicab business models

Ride sharing services such as Uber and Lyft, which use modern internet-based mobile technology to connect passengers and drivers, have begun to compete with traditional taxis. They are able to reach out to customers more easily and they're more accessible; operate on a larger scale compared to taxis

What types of information do the four organizational levels common to many businesses need?

Top Managers focus on the overall business enterprise and use IT to set the company's course and direction. Middle Managers and Knowledge Workers they focus on a shorter time scale and are more detailed to oversee day-to-day operations. Supervisors and Team Leaders - coordinate tasks and people, and make sure resources to their environment are available Operational Employees - perform their jobs and make decisions that were from their supervisors.

What are the seven types of information systems used in business?

enterprise computing systems, transaction processing systems, business support systems, knowledge management systems, user productivity systems, digital assistants, and systems integration


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