Information Systems in Business Lecture : 01 UOITC UOITC Business Information Technology Department...
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Transcript of Information Systems in Business Lecture : 01 UOITC UOITC Business Information Technology Department...
![Page 1: Information Systems in Business Lecture : 01 UOITC UOITC Business Information Technology Department Dr. Alla Talal Yassin.](https://reader038.fdocuments.us/reader038/viewer/2022110319/56649c7f5503460f94935b2b/html5/thumbnails/1.jpg)
Information Systems in Business
Lecture : 01
UOITCBusiness Information Technology Department
Dr. Alla Talal Yassin
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Vital component of successful businesses
Helps businesses expand and compete
Businesses use IS and IT To improve efficiency and effectiveness of business processes
For managerial decision making
For workgroup collaboration
Why study Information Systems and Information Technology?
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Objectives of Information systems
• The use of information systems facilitates better decision making in the company.
management is able to review all the present practices and norms and formulate new ones for the future.
Information systems are used across all realms and functions of the business.
management is able to better control its people and processes and attain organizational goals.
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A system Is a set of interrelated components
With a clearly defined boundary
Working together to achieve a common set of objectives
What is a system?
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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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What is an Information System?
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An organized combination of PeopleHardwareSoftwareCommunications networksData resourcesPolicies and procedures
That stores, retrieves, transforms, and disseminates information in an organization
What is an Information System?
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The Components of a Computer-Based Information System
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Types of Information Systems
Transaction
Processing
Systems
Process
Control
Systems
Enterprise
Collaboration
Systems
Operations
Support
Systems
Management
Information
Systems
Decision
Support
Systems
Executive
Information
Systems
Management
Support
Systems
Information Systems
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Need of information systems
Utilization of large quantity of data and information.
Decision Support Data and information Information flexibility Information Security Information Sharing Smooth running of operations
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IS is all the components and resources necessary to deliver information and functions to the organization
IT is hardware, software, networking and data management
In theory, IS could be paper based But we will focus on Computer-Based Information Systems (CBIS)
Information System (IS) versus Information Technology (IT)
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Computer-Based Information Systems
Computer-based information system (CBIS)
A single set of hardware, software, databases, telecommunications, people, and procedures that are
configured to collect, manipulate, store, and process data into information
Examples: a company’s payroll systems, order entry system, and inventory control systems
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Basic Concepts
• A computer-based IS is a whole that consists of (1) data, (2) computer hardware and software (information technologies), and (3) procedures applied to data, software & hardware.*
ENVIRONMENT
keyboard, mouse
hardware
data storage;processors for
transforming datarunning software
screen, printer
hardware
Data Transformed & OrganizedData
INPUT part PROCESSING part OUTPUT part
• Data are the heart of IS. Inputted data are different than outputted data.
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Objectives of information system
Information should be accurate, timely, right, right format, right people and to filter unwanted and unnecessary information.
SMART Ratio: Specific, Measurable, Agreed, Realistic, and Time Specific.
Judging the performance of the system.
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IS Knowledge Framework for Business Professionals :
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Major Roles of Information Systems
Support of Strategic
AdvantageSupport of Managerial
Decision Making
Support of Business Operations
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Foundation Concepts: fundamental behavioral, technical, business and managerial concepts
Information Technology: Hardware, software, networks, data management and Internet-based technology
Business Applications: Major uses of the IS in the organization
Development Processes: How to plan, develop and implement IS to meet business opportunities
Management Challenges: The challenges of effectively and ethically managing IT
What should a Business Professional know about IS?
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Support of business processes and operations.
Support of decision making by employees and managers.
Support of strategies for competitive advantage.
Fundamental Roles of IS in Business
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What is an Information System?
Input ofData
Resources
Input ofData
Resources
Processing Data
Processing Data
Output ofInformation
Products
Output ofInformation
Products
Control of System PerformanceControl of System Performance
Storage of Data ResourcesStorage of Data Resources
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What does IS do for a business?
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Principles of Information Systems, Ninth Edition
Decision Making as a Component of Problem Solving (continued)
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Trends in Information Systems
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Developing IS Solutions
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Information systems model
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Components of an ISPeople Resources
End users: the people who use the IS or the information from the IS
IS specialists: the people who develop and operate IS
Hardware ResourcesAll physical devices used in information
processingMachines, data media, peripherals
Software ResourcesAll information processing instructions
including programs and proceduresSystem software, application software and
procedures
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Classifications of IS by scopeFunctional business systems
Focus on operational and managerial applications of basic business functions
Examples: support accounting, finance or marketing
Strategic information systemsHelp get a strategic advantage over its customers
Examples: shipment tracking, e-commerce web systems
Cross-functional information systemsSystems that are combinations of several types of
information systemsProvide support for many functions
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Measuring success of an ISEfficiency
Minimize cost, time and use of information resources
EffectivenessSupport business strategies
Enable business processesEnhance organizational structure and culture
Increase the customer and business valueWhat’s the difference between Efficiency
and Effectiveness?
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IS ActivitiesInput of data resources
Data entry activitiesProcessing of data into informationE.g., calculate, compare, sort, classify,
summarizeOutput of information products
Messages, reports, forms and graphic imagesStorage of data resources
Data elements and databasesControl of system performance
Monitoring and evaluating feedback
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Recognizing ISAs a business professional, you should be
able to look at an IS and identifyThe people, hardware, software, data and
network resources they useThe type of information products they produceThe way they perform input, processing,
output, storage and control activities