chapter 1 business information system ; an overview
TRANSCRIPT
CHAPTER 1
BUSINESS INFORMATION SYSTEM ; AN OVERVIEW
Learning objectives :• Explain why information technology matters.• Define digital information and explain why digital systems are
so powerful and useful.• Explain why information systems are essential to business.• Describe how computers process data into useful information
for problem solving and decision making.• Identify the functions of different types of information
systems in business.• Describe careers in information technology.• Identify major ethical and societal concerns created by
widespread use of information technology.
THE PURPOSE OF INFORMATION SYSTEMS
• People require information for many reasons and in varied ways.• however, people and organizations seek and use information mainly
to make decisions and to solve problems• businesses use information systems to support daily operations, such
as electronic commerce, making airline reservations, and many other activities
DATA, INFORMATION, AND INFORMATION SYSTEMS
DATA VS INFORMATION (ITS NOT SAME)• The word data is derived from the Latin datum : which might
take the form of a number, a statement, or a picture.• Information : is facts or conclusions that have meaning within
a context.• system is an array of components that work together to
achieve a common goal, or multiple goals, by accepting input, processing it, and producing output in an organized
The Benefits of Human-Computer Synergy
The Four Stages of Processing• • Entering data into the IS (input).• • Changing and manipulating the data in the IS (data
processing).• • Getting information out of the IS (output).• • Storing data and information (storage).
TYPES OF INFORMATION SYSTEMS• Transaction Processing Systems• Supply Chain Management Systems• Customer Relationship Management Systems• Business Intelligence Systems• Decision Support and Expert Systems• Geographic Information Systems
Transaction Processing Systems
• is to record data collected at the boundaries of organizations, in other words, at the point where the organization transacts business with other parties.
• For example, they record the movement of parts from one phase of manufacturing to another, from raw materials to finished products
Supply Chain Management Systems
• refers to the sequence of activities involved in producing and selling a product or service.
• In industries that produce goods, the activities include marketing, purchasing raw materials, manufacturing and assembly, packing and shipping, billing, collection, and after-the-sale services.
• such systems are called enterprise resource planning (ERP) systems
Customer Relationship Management Systems• systems help manage an organization’s relationships with its
customers.• simple ones that help maintain customer records to sophisticated
systems that dynamically analyze
Geographic Information Systems
• can be used to tie data to physical locations.• application accesses a database that contains data about a
building, neighborhood, city, county, state, country, or even the entire world
INFORMATION SYSTEMS IN BUSINESS FUNCTIONS• Accounting
• Finance
• Marketing
• Human Resources
CAREERS IN INFORMATION SYSTEMS
• Help Desk Technician• Systems Analyst• Database Administrator• Webmaster• Chief Information Officer and Chief Technology Officer• Network Administrator, and many more ……
Thanks for your attention