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IS L01 - Introduction to Information Systems (2019)
This document provides an introduction to information systems. It defines information systems as a "box" that processes "stuff" or data and provides results. It discusses the characteristics of data and information and how information must be accurate, timely, relevant, sufficient, cost-effective, verifiable, and organized to be valuable. The document also suggests reasons why businesses and consumers require information systems, such as for productivity, monitoring, automation, planning and decision making. It outlines different types of information systems based on their objectives. Finally, it speculates on the future of information systems and cloud, mobile, IoT, and what will be required to create this future.
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IS L01 - Introduction to Information Systems (2019)
- 1. ISINFORMATION SYSTEMS BY: JANWONG HELLO AND WELCOME TO Chapter One: AN INTRODUCTION
- 2. ISWhat is it,really?
- 3.
- 4. IS It’s a box.Youthrow it ‘stuff’ It gives you results
- 5. It’s a box.Youthrow it ‘stuff’ It gives you results Speed Accuracy Intelligence Storage DATA INFORMATION • It is ‘raw’ • Has no meaning by itself • Cannot be used for decision making • E.g. Your Name • Processed data that is organised • Can be used for decision making • E.g. Attendance Summary
- 6. It’s a box.Youthrow it ‘stuff’ It gives you results Speed Accuracy Intelligence Storage DATA INFORMATION SOFTWARE APP WEBSITE
- 7. INFORMATION Let’s talk about 7characteristics to judge its value
- 8. INFORMATION Let’s talk about ACCURATE Itmust be 7 characteristics to judge its value • Inaccurate information can lead to incorrect decisions. • Becomes a waste of time and money as users develop work- around to avoid inconvenience. • GIGO - garbage in garbage out. #1
- 9. INFORMATION Let’s talk about TIMELY Itmust be 7 characteristics to judge its value #2 • Has an age suited to its use - it’s always up to date! • It is available in time for its use when needed. • E.g. a weekly sales report should not be delivered only a month later.
- 10. INFORMATION Let’s talk about RELEVANT Itmust be 7 characteristics to judge its value #3 • Needs to be within the context and subject of the system. • A point-of-sale (POS) system should provide output that is expected of it. • Unnecessary information must be eliminated!
- 11. INFORMATION Let’s talk about JUSTSUFFICIENT It must be 7 characteristics to judge its value #4 • Output should be just enough for its intended purpose. • Systems should be smart enough to only display information that is relevant to specific users. • E.g. top management would want a summary rather than a detailed report; or a lecturer would not require your hobbies when taking your attendance.
- 12. INFORMATION Let’s talk about COSTEFFECTIVE It must be 7 characteristics to judge its value #5 • Important: data is not free. It always comes with a cost. • Cost can be for operations and system maintenance, users’ time, salary or convenience. • A good system is able to produce information lesser than the actual cost of the data, i.e. to create value!
- 13. INFORMATION Let’s talk about VERIFIABLE Itmust be 7 characteristics to judge its value #6 • Users should be able to confirm and verify the information presented in the system. • It should be auditable with a clear trace of data.
- 14. INFORMATION Let’s talk about ORGANIZED Itmust be 7 characteristics to judge its value #7 • Information should be arranged to suit the objectives and needs of the business / users. • It can be in the form of tables, reports, diagrams - any output that makes sense!
- 15. ISWhy do youthink information systems are required for businesses & consumers?
- 16. Possible reasons & objectivesfor IS. Productivity Monitoring Automation Planning & Decision Making Connectivity Scalability SOFTWARE APP WEBSITE That is why are created - to solve a business problem.
- 17. SOFTWARE APP WEBSITE Thatis why are created - to solve a business problem. And are given many names TRANSACTION PROCESSING SYSTEM MANAGEMENT INFORMATION SYSTEM DECISION SUPPORT SYSTEM KNOWLEDGE MANAGEMENT SYSTEM TRANSACTION PROCESSING SYSTEM Basically, it is named after what it should be doing - its objective.
- 18. An information system withoutan objective is useless. Always remember,
- 19. An information system also requires5 things for it to work. However,
- 20. 5 elements ofIS. DATA & INFORMATION HARDWARE SOFTWARE PEOPLE PROCEDURES Any electronic & mechanical parts within a computer. e.g. Processor, hard drive, etc A series of instructions that tells a computer what and how to perform a task. e.g. Application Software, System Software, etc A user who communicates with a computer either direct or indirectly. e.g. Programmer, administrators, customers, etc A set of instructions for a user to complete an activity (user journey). e.g. User manual, user experience, forms, etc Raw records that has no meaning by itself. Processed data that is organised and has meaning.
- 21. ISWhat do youthink the future is?
- 22. The future ofIS. Cloud driven Mobile-first IoT Smart Devices 3D Printing AI Reduced cost for hardware & software Automation becomes a part of daily life Increase of demand for code literacy Increased usage of personal data Heightened need for reliable security .. and how it impacts us. MONEY PROCESS DATAPEOPLE LEGAL
- 23. ISWhat do youthink we need to create this future?
- 24. What do youthink is required to create this future? Reduced cost for hardware & software Automation becomes a part of daily life Increase of demand for code literacy Increased usage of personal data Heightened need for reliable security MONEY PROCESS ADSPEOPLE LEGAL New Business Model, Modular Devices, In-app Purchase. Job Scope, Operations, Procedures. Education, Training, Tests, Mindset. Privacy Laws, Data Regulations. Policies, Blockchain.