Presentation on theme: "Introduction to Information Systems"— Presentation transcript:
1 Introduction to Information Systems CHAPTER 1Introduction to Information Systems
2 CHAPTER OUTLINE 1.1 Why Should I Study Information Systems? 1.2 Overview of Computer-Based Information Systems1.3 How Does IT Impact Organizations?1.4 Importance of Information Systems to Society
3 LEARNING OBJECTIVES1. Begin the process of becoming an informed user of your organization’s information systems.2. Define the terms data, information, and knowledge, and give examples of each.3. Define the terms information technology, information system, computer-based information system, and application.
4 LEARNING OBJECTIVES (continued) 4. Identify three ways in which you depend on information technology in your daily life.5. Discuss three ways in which information technology can impact managers and three ways in which it can impact non- managerial managers.6. List three positive and three negative societal effects of the increased use of information technology.
5 Chapter Opening CaseRobert F. Balazik/Shutterstock
10 Digital NomadsThey may have location independence but do they have ‘time zone independence’?A digital nomad is someone who uses information technologies such as smart phones,wireless Internet access, and Web-based applications to work remotely from anywhere.Source: Media Bakery
11 IT Offers Career Opportunities September 4, 2011
16 Computer-Based Information Systems SoftwareDatabaseHardwareComputer-based information systems are information systems that use computertechnology to perform some or all of their intended tasks.Hardware is a device such as a processor, monitor, keyboard or printerSoftware is a program or collection of programs that enable hardware to process data.Database is a collection of related files or tables containing data.Network is a connecting system (wireline or wireless) that permits different computers to share resources.Procedures are the set of instructions about how to combine the above components in order to process information and generate the desired output.People are those individuals who use the hardware and software, interface with it, or uses its output.ProceduresNetworkPeople(Source: Nasonov/Shutterstock; Angela Waye/Shutterstock; alexmillos/Shutterstock; broukoid/ Shutterstock; Mike Flippo/Shutterstock
17 Capabilities of Information Systems Table 1.3Perform high-speed, high-volume numerical computationsProvide fast, accurate communication and collaboration within and among organizationsStore huge amounts of information in small spaceAllow quick, inexpensive access to vast amounts of information worldwideInterpret vast amounts of data quickly and efficientlyIncrease effectiveness and efficiency of people working in groups in one place or around the worldAutomate semiautomatic business process and manual tasks
18 Application ProgramsAn application program is a computer program designed to support a specific task,a business process, or another application program.Angela Waye/Shutterstock
19 E-Discovery Software (IT’s About Business 1.3) Source: maxstockphoto/Shutterstock
20 Types of Information Systems Information Systems Inside an Organization
21 Types of Information Systems Information Systems Among Organizations
22 Types of Information Systems Breadth of Support of Information SystemsFunctional area information systemsEnterprise resource planning systemsTransaction processing systemsInterorganizational information systemsA functional area information system supports a particular functional area of the organization.Enterprise resource planning systems tightly integrating the functional area ISs via a common database.Transaction processing systems support the monitoring, collection, storage, and processing ofdata from the organization’s business transactions.Interorganizational information systems connect two or more organizations.
23 Types of Information Systems (continued) Support for Organizational EmployeesOffice automation systemsBusiness intelligence systemsExpert systemsDashboardsOffice automation systems typically support the clerical staff, lower and middle managers,and knowledge workers, enabling them to develop documents, schedule resources, andcommunicate.Business intelligence systems provide computer-based support for complex, nonroutinedecisions, primarily for managers and knowledge workers.Expert systems attempt to duplicate the work of human experts by applying reasoningcapabilities, knowledge, and expertise within a specific domain.Dashboards provide rapid access to timely information and access to structured informationin the form of reports.
24 1.3 How Does IT Impact Organizations? IT reduces the number of middle managers.IT changes the manager’s job.Will IT eliminate jobs?IT impacts employees at work.
25 Ergonomic Products Wrist support Back support Eye-protection filter Adjustable foot restSource: Media Bakery
26 When ergonomics doesn’t work When all else fails…….