mis- management information system lecture 1
TRANSCRIPT
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MISManagement Information Systems
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What you will learn in this module?
By the end of the lecture, you should be able to: define ‘data’ 'information', 'information technology' and 'information system‘ explain the relationship between data, information, knowledge and decisions understand quality of information understand and utilize different models of information systems (DIK, CARTA, onion-ring).
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Data Versus Information
Data are the raw material from which information is generated.
Information is processed data that is useful to the decision maker.
Data are streams of raw facts. Information is data shaped into
meaningful form.
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Data Versus Information
Data is a representation of a fact, a number, a word, an image, a picture or a sound. For example, the number 10 is data; it might represent image, a picture, or a sound.
Information is data that is meaningful or useful to someone. For example, the statement “ There are 10 books left in inventory”.
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Data versus Information
1200100
WestCharles Mann
79154 TM Shoes
Monthly Sales Report for West Region
Sales Rep: Charles MannEmp No. 79154Item Qty Sold PriceTM Shoes 1200 $100
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Data Vs. Information
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Information for one person may be data for another.
Data for one person may be information for another.
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Data Vs. Information
Data is raw, unprocessed information. Information is data that has been processed
to make it useful to its recipient. Knowledge is information that has been
assimilated into a coherent framework of understanding: usually within the human mind.
Data ‐> is processed into ‐> Information ‐> is assimilated into ‐> Knowledge
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Relationship between data, information and knowledge
(DIK Model)
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Characteristics/Quality of Information (CARTA Model)
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Characteristics/Quality of Information (CARTA Model)
Completeness: the degree to which all the information required is present. In an ideal world, people would have every scrap of information they needed to make a decision. In the real world, people never have all the information they need.
For example, take a town planner using a geographic information system to make decisions about where to permit new growth in a city. If some of the data layers were missing, or if some districts in the town had no submitted data, they would likely make a relatively poor decision. Ideally, they would have complete information on the city.
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Characteristics/Quality of Information (CARTA Model)
Accuracy: the level of errors/incorrect information within the overall information. If the information on which people are trying to base their decisions is inaccurate, they are less likely to make good decisions.
For example, if a personnel manager is trying to retrench staff on a 'last in, first out' basis, inaccurate information about staff dates of joining service will lead to misguided decisions. Whereas if they had more accurate information, that would lead to a better decision.
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Characteristics/Quality of Information (CARTA Model)
Relevance: the degree to which information is necessary in order to complete the task/decision at hand. Information is of little value if it is not relevant to the decision under consideration.
For example, imagine a customer trying to find details on your Web site about a particular service your organisation offers but all they find is stuff about your organisation's history, staffing, philosophy, etc. If you redesign the site to produce more relevant information, you'll support better decisions by your customers.
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Characteristics/Quality of Information (CARTA Model)
Timeliness: the degree to which information arrives within a required timeframe. All decisions and actions have to be taken by a certain time, and information is of little value if it arrives after a decision has been taken.
For example, if a manager is forecasting future sales, and one region's sales estimates arrive after the forecasts have been produced, that information is probably worthless.
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Characteristics/Quality of Information (CARTA Model)
Appropriateness of presentation: the degree to which information is accessible and intelligible to the recipient. Information is of little benefit if it cannot be accessed or understood by the decision maker.For example, if you show a farmer in a developing country a geographic information system of soil types or weather patterns but they have no understanding of maps so it does not make any sense to them, it will provide no benefit to their agricultural decision making.
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System
System is a set of interrelated components that are working together to achieve common goal. It is a organized, purposeful structure regarded as a 'whole' consisting of interrelated and interdependent elements (components, entities, factors, members, parts etc.).
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System
System is a group of interrelated components, with a clearly defined boundary, working together toward a common goal by accepting inputs and producing outputs in an organized transformation process.
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What is a System?
ManufacturingProcess
Input ofRaw Materials
Output ofFinished Products
Environment
Other Systems
Control byManagement
ControlSignals
ControlSignals
FeedbackSignals
FeedbackSignals
System Boundary
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System Components
Input – capturing and assembling elements that enter the system to be processed
Processing – transformation steps that convert input into output
Output – transferring elements that have been produced by a transformation process to their ultimate destination
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Information Systems
An Information System is a collection of components that work together to provide information to help in the operations and management of an organization.
Information systems is a set of interrelated components that collect, process, store, and distribute information that support decision making, coordination, and control.
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Information System
Information system is any organized combination of people, hardware, software, communications networks, and data resources that stores, retrieves, transforms, and disseminates information in an organization.Information Systems (IS) – all components and resources necessary to deliver information and information processing functions to the organization
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Information System
Information System (IS): a socio‐technical system of information, people, tasks and technology that accepts, processes, stores, and outputs information for decision‐making or learning. So the first part of the definition ("socio‐technical system of information, people, tasks and technology") represents what the information system is made up of; a structural definition. The second part ("that accepts, processes, stores, and outputs information") represents what the information system does; a process definition.
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Information System
Information system: Set of interrelated components Collect, process, store, and distribute
information Support decision making, coordination,
and control
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Onion-Ring Model
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Information Technology
Information technology is the tools and techniques that support the design and development of information systems. It includes hardware, software, database, network.
The technology uses to generate information is called Information Technology ( IT).
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Information Systems vs. Information Technology
Information Technology (IT) – various hardware components necessary for the system to operate.
Information Technology is the integration of computers, communications equipment, and other technology used in information systems.
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Information Technology
Information Technology (IT): electronic means of handling digital data. So in this definition, information technology covers things like computers, mobile phones, the Internet, the Web, personal digital assistants (PDAs), software programs, and the like. We treat IT as meaning the same as ICT: information and communication technologies.
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Information Technology
We wouldn't normally include radio and television since (at the time of writing) they still mainly handle "analogue" rather than digital data.
But . . . be careful: some people define IT (or ICT) to include things like radio and television; some define IT to include any technology that handles data including things like pencils, papers and the like.
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Information Systems Are More Than Computers
Computers and software are technical foundation and tools, similar to the material and tools used to build a house.
Using information systems effectively requires an understanding of the organization, management, and information technology shaping the systems. An information system creates value for the firm as an organizational and management solution to challenges posed by the environment.
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Information Systems Are More Than Computers
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Organizational dimension of information systems
Organizational dimension of information systems Hierarchy of authority, responsibility
Senior management Middle management Operational management Knowledge workers Data workers Production or service workers
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Organizational dimension of information systems
Organizational dimension of information systems (cont.) Separation of business functions
Sales and marketing Human resources Finance and accounting Manufacturing and production
Unique business processes Unique business culture Organizational politics
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Management dimension of information systems
Management dimension of information systems Managers set organizational strategy for
responding to business challenges In addition, managers must act creatively:
Creation of new products and services Occasionally re-creating the
organization
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Technology dimension of information systems
Technology dimension of information systems Computer hardware and software Data management technology Networking and telecommunications
technology Networks, the Internet, intranets and
extranets, World Wide Web IT infrastructure: provides platform that
system is built on
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Components/Resources of an Information System?
Components Hardware - Equipment such as computers Software - Instructions for the equipment Data - Facts stored in the system People - People who operate the system Network – communication media and process Procedures for the people to follow
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Components of an Information System?
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Components of an Information System?
Hardware: The first component of an information system is hardware, which consists of all physical devices and materials , the computers, communication equipment and other devices used in a system.
Software: Software consists of instructions that tell hardware what to do. Computers and computer controlled hardware, such as communications equipment, cannot function without software; they must have instructions to tell them what to do.
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Components of an Information System?
Data: The data component of an information system consists of all data that is kept in computers in the system and that is used by the software of the system.
People: An information system does not operate by itself; people are needed to make it run. People have to supply input to the system, receive output information from the system, operate the hardware in the system, and run the software that is part of the system. End users: End users are people who use an information systems or information it produces. IS specialists: IS specialists are people who develop and operate information systems.
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Components of an Information System?
Network – communication media and process. A computer network is a telecommunications network that allows computers to exchange data.
Procedures: The final components of an information systems consists of procedures, which are instructions that tell people how to use and operate the system.
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Functions/Activities of an Information System?
An information system contains information about an organization and its surrounding environment. Three basic activities—input, processing, and output—produce the information organizations need. Feedback is output returned to appropriate people or activities in the organization to evaluate and refine the input. Environmental actors, such as customers, suppliers, competitors, stockholders, and regulatory agencies, interact with the organization and its information systems.
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Functions/Activities of an Information System?
Three activities of information systems produce information organizations need Input: Captures raw data from organization
or external environment Processing: Converts raw data into
meaningful form Output: Transfers processed information to
people or activities that use it
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Functions/Activities of an Information System?
Feedback: Output is returned to appropriate
members of organization to help evaluate or correct input stage.
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Functions/Activities of an Information System?
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Functions/Activities of an Information System?
Input Function accepts the input data from outside the system.
Storage Function retains input data and retrieves stored data.
Processing Function calculates and in other ways manipulates the input and stored data.
Output Function produces results of processing for use outside the system.
Feedback Function is the output that is returned to appropriate members of the organization to help them evaluate or correct the input state.
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Figure 1.1 Input-process-output
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CIPSODAR Model
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Levels in a firm
Business organizations are hierarchies consisting of three principal levels: senior management, middle management, and operational management. Information systems serve each of these levels. Scientists and knowledge workers often work with middle management.
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Levels in a firm
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Business perspective on information systems
Business perspective on information systems: Information system is instrument for creating
value Investments in information technology will
result in superior returns: Productivity increases Revenue increases Superior long-term strategic positioning
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Business information value chain
Business information value chain Raw data acquired and transformed through
stages that add value to that information Value of information system determined in part
by extent to which it leads to better decisions, greater efficiency, and higher profits
Business perspective: Calls attention to organizational and managerial
nature of information systems
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The Business Information Value Chain
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The Business Information Value Chain
From a business perspective, information systems are part of a series of value-adding activities for acquiring, transforming, and distributing information that managers can use to improve decision making, enhance organizational performance, and, ultimately, increase firm profitability.
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Information Technology Investment
Investing in information technology does not guarantee good returns.
There is considerable variation in the returns firms receive from systems investments.
Factors: Adopting the right business model Investing in complementary assets
(organizational and management capital)
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Information Technology Investment
Although, on average, investments in information technology produce returns far above those returned by other investments, there is considerable variation across firms.
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Complementary assets
Complementary assets: Assets required to derive value from a
primary investment Firms supporting technology investments
with investment in complementary assets receive superior returns
Example: Invest in technology and the people to make it work properly
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Complementary assets
Complementary assets include: Organizational assets, for example:
Appropriate business model Efficient business processes
Managerial assets, for example: Incentives for management innovation Teamwork and collaborative work environments
Social assets, for example: The Internet and telecommunications infrastructure Technology standards
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Contemporary Approaches to Information Systems
The study of information systems deals with issues and insights contributed from technical and behavioral disciplines.
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Contemporary Approaches to Information Systems
Technical approach Emphasizes mathematically based
models Computer science, management
science, operations research Behavioral approach
Behavioral issues (strategic business integration, implementation, etc.)
Psychology, economics, sociology
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Contemporary Approaches to Information Systems
Management Information Systems Combines computer science, management
science, operations research, and practical orientation with behavioral issues
Four main actors Suppliers of hardware and software Business firms Managers and employees Firm’s environment (legal, social, cultural
context)
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A Sociotechnical Perspective on Information Systems
Sociotechnical view Optimal organizational performance
achieved by jointly optimizing both social and technical systems used in production
Helps avoid purely technological approach
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A Sociotechnical Perspective on Information Systems
In a sociotechnical perspective, the performance of a system is optimized when both the technology and the organization mutually adjust to each other until a satisfactory fit is obtained.
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The Role of Information Systems in Business Today
How information systems are transforming business Emerging mobile digital platform Growing business use of “big data” Growth in cloud computing
Globalization opportunities Internet has drastically reduced costs of
operating on global scale Increases in foreign trade, outsourcing Presents both challenges and opportunities
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How Information Systems Are Transforming Business
In 2014, American businesses have spent over $817 billion on information systems hardware, software, and telecommunications equipment. In addition, they will spend another $230 billion on business and management consulting and services—much of which involves redesigning firms’ business operations to take advantage of these new technologies.
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IT Capital Investment
Information technology capital investment, defined as hardware, software, and communications equipment, grew from 14 percent to 33 percent of all invested capital between 1999 and 2013.
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How Information Systems Are Transforming Business
Cell phones, BlackBerrys, iPhones, e-mail, and online conferencing over the Internet have all become essential tools of business.
Over 247 million Americans have mobile phones (67% of the population) and 167 million of these people access the Internet using smartphones and tablets.
Facebook attracted 150 million users in the United States. Businesses are starting to use social networking tools to connect their employees, customers, and managers worldwide. Many Fortune 500 companies now have Facebook pages.
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How Information Systems Are Transforming Business
By June 2014, more than 114 million businesses worldwide had dot-com Internet sites registered.
Today, 196 million Americans shop online, and 163 million have purchased online. Every day about 90 million Americans go online to research a product or service.
Baidu, the Chinese internet search engine provider, recorded a 78% growth in 2010, garnering ad revenue of $1.2 billion.
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How Information Systems Are Transforming Business
China’s online shopping market has reached 170.2 billion Yuan, which was a rise of over 76% on the year to year comparison. The single’s day (November 11, 2011) created history for China’s online business at Taobao Mall along with Taobao.com totaled a business of 8.56 billion Yuan with 10 million orders. Thailand online shopping trends shows a rise of nearly 60%.
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How Information Systems Are Transforming Business
As newspaper readership continues to decline, more than 168 million people receive their news online. About 83 million people watch a video online everyday, 66 million read a blog, and 25 million post to blogs, creating an explosion of new writers and new forms of customer feedback that did not exist five years ago.
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How Information Systems Are Transforming Business
New businesses and industries appear, old ones decline, and successful firms are those who learn how to use the new technologies.
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What’s new in MIS?
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What’s new in MIS?
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What’s new in MIS?
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The Role of Information Systems in Business Today
In the emerging, fully digital firm: Significant business relationships are digitally
enabled and mediated. Core business processes are accomplished
through digital networks. Key corporate assets are managed digitally.
Digital firms offer greater flexibility in organization and management. Time shifting, space shifting
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Digital firm
A digital firm is one in which nearly all of the organization’s significant business relationships with customers, suppliers, and employees are digitally enabled and mediated. Core business processes are accomplished through digital networks spanning the entire organization or linking multiple organizations.
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Digital firm
Business processes refer to the set of logically related tasks and behaviors that organizations develop over time to produce specific business results and the unique manner in which these activities are organized and coordinated.
Key corporate assets—intellectual property, core competencies, and financial and human assets—are managed through digital means. In a digital firm, any piece of information required to support key business decisions is available at any time and anywhere in the firm.
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Digital firm
Time shifting refers to business being conducted continuously, 24/7, rather than in narrow “work day” time bands of 9 A.M. to 5 P.M.
Space shifting means that work takes place in a global workshop, as well as within national boundaries. Work is accomplished physically wherever in the world it is best accomplished.
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Digital firm
Many firms, such as Cicso systems, 3M and IBM are close to becoming digital firms, using the internet to drive every aspect of their business.
Most other are not fully digital, but they are moving toward close digital integration with suppliers, customers and employees.
Many firms are replacing traditional face-to-face meeting with virtual meetings using video-conferencing.
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Virtual Company
A Virtual company (also called virtual corporation or virtual organization) is an organization that uses information technology to link people, organizations, assets, and ideas. It creates interenterprise information systems to link customers, suppliers, subcontractors and competitors.
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Virtual Company Strategies
Share infrastructure and risk with alliance partners.
Link complementary core competencies.
Reduce concept-to-cash time through sharing.
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Virtual Company Strategies
Increase facilities and market coverage.
Gain access to new markets and share market or customer loyalty.
Migrate from selling products to selling solutions.
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Borderless
Technology
Excellence
Trust-Based
Adaptability
Opportunism
SixCharacteristics
of VirtualCompanies
Virtual Corporations
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The Role of Information Systems in Business Today
Growing interdependence between: Ability to use information technology
and Ability to implement corporate
strategies and achieve corporate goals
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The Role of Information Systems in Business Today
Firms invest heavily in information systems to achieve six strategic business objectives:1. Operational excellence2. New products, services, and business models3. Customer and supplier intimacy4. Improved decision making5. Competitive advantage6. Survival
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The Interdependence Between Organizations and Information
Technology
In contemporary systems there is a growing interdependence between a firm’s information systems and its business capabilities. Changes in strategy, rules, and business processes increasingly require changes in hardware, software, databases, and telecommunications. Often, what the organization would like to do depends on what its systems will permit it to do.
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Operational excellence
Operational excellence: Improvement of efficiency to attain higher
profitability Information systems, technology an
important tool in achieving greater efficiency and productivity
Walmart’s Retail Link system links suppliers to stores for superior replenishment system
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New products, services, and business models
New products, services, and business models: Business model: describes how company
produces, delivers, and sells product or service to create wealth
Information systems and technology a major enabling tool for new products, services, business models Examples: Apple’s iPad, Google’s
Android OS, and Netflix
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Customer and supplier intimacy
Customer and supplier intimacy: Serving customers well leads to customers
returning, which raises revenues and profits. Example: High-end hotels that use computers to
track customer preferences and used to monitor and customize environment
Intimacy with suppliers allows them to provide vital inputs, which lowers costs. Example: JCPenney’s information system which
links sales records to contract manufacturer
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Improved decision making
Improved decision making Without accurate information:
Managers must use forecasts, best guesses, luck Results in:
Overproduction, underproduction Misallocation of resources Poor response times
Poor outcomes raise costs, lose customers Example: Verizon’s Web-based digital dashboard
to provide managers with real-time data on customer complaints, network performance, line outages, and so on
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Competitive advantage
Competitive advantage Delivering better performance Charging less for superior products Responding to customers and
suppliers in real time Examples: Apple, Walmart, UPS
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Survival
Survival Information technologies as necessity of
business Industry-level changes
Example: Citibank’s introduction of ATMs Governmental regulations requiring record-
keeping Examples: Toxic Substances Control Act,
Sarbanes-Oxley Act Dodd-Frank Act
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History of the role of Information Systems
Data Processing
ManagementReporting
DecisionSupport
Strategic &End User
Electronic Commerce
1950-1960 1960-1970 1970-1980 1980-1990 1990-2000
ElectronicData Processing- TPS
ManagementInformationSystems Decision
SupportSystems- Ad hoc Reports
End UserComputingExec Info SysExpert SystemsSIS
ElectronicBusiness & Commerce-InternetworkedE-Business &Commerce
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Benefits of Information Systems
1. Better information2. Improved service3. Increase productivity4. Competitive advantage
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Benefits of Information Systems
1. IS can perform calculations or process paperwork much faster than people.
2. IS can help companies learn more about the purchase patterns and preferences of their customers.
3. IS provide new efficiencies through services such as ATMs, IP telephony, Computer controlled Airplanes and Air Terminals
4.IS have made possible new medical advances in surgery, radiology and patient monitoring.
5. The internet distributes information instantly to millions of people across the world.
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Pitfalls of Information Systems
1. By automating activities that were previously performed by people, IS may eliminate job.
2. IS may allow organization to collect personal information about people that violate their privacy.
3. IS are used in so may aspects of everyday life that system outages can cause shutdown of businesses or transportation services, paralyzing communities.
4. Heavy users of IS may suffer repetitive stress injury, technostress and other health problems.
5. The internet can be used to distribute illegal copies of software, books, articles, and other intellectual property.
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Benefits & Pitfalls of Information SystemsBenefits Pitfalls
1. IS can perform calculations or process paperwork much faster than people.
1. By automating activities that were previously performed by people, IS may eliminate job.
2. IS can help companies learn more about the purchase patterns and preferences of their customers.
2. IS may allow organization to collect personal information about people that violate their privacy.
3. IS provide new efficiencies through services such as ATMs, IP telephony, Computer controlled Airplanes and Air Terminals
3. IS are used in so may aspects of everyday life that system outages can cause shutdown of businesses or transportation services, paralyzing communities.
4. IS have made possible new medical advances in surgery, radiology and patient monitoring.
4. Heavy users of IS may suffer repetitive stress injury, technostress and other health problems.
5. The internet distributes information instantly to millions of people across the world.
5. The internet can be used to distribute illegal copies of software, books, articles, and other intellectual property.
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Information Systems Career
System Analyst Database Aalyst
Chief Information Officer Software Quality Evaluator Telecommunications Specialist
Database Administrator Business Application Cosultant
Network Administrator Network Manager
IS Auditor Office Automation Specialist
Project Manager User Interface Specialist
Technical Analyst
System Consultant
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ThankYou