LEC 1 Introduction To Information Systems PDF
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Dalia Magdi
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Summary
This presentation introduces the concepts of data, information, and knowledge in the context of information systems. It explores how data is transformed into information and the importance of defining relationships between data items. The document also differentiates between tangible and intangible value of information and discusses formal and informal communication.
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Introduction to Information Systems Assoc. Prof. Dalia Magdi 2 CIS 1000 Introduction to Information Systems first Year 3 Course Aims 4 Course Contents 5 Assessment Schedule Assessment Meth...
Introduction to Information Systems Assoc. Prof. Dalia Magdi 2 CIS 1000 Introduction to Information Systems first Year 3 Course Aims 4 Course Contents 5 Assessment Schedule Assessment Method Week 1. Class participation Weekly 1. Quizzes Weekly 1. Assignments Weekly 1. Projects 14,15 1. Proctored exams: Midterm 8 Exam 1. Proctored exams Final 16, 17 exam Assessment Weights Assessment Method Detailed By Law 1. Class participation 10 1. Quizzes 10 40 1. Assignments 10 1. Oral &Projects 10 1. Midterm Exam 20 20 1. Proctored exams Final exam 40 40 Total 100 100 6 Lecture1 Data and information Dataare raw facts about the organization and its business transactions. Most data items have little meaning and use by themselves. Informationis data that has been refined and organized by processing and purposeful intelligence. The latter, purposeful intelligence, is crucial to the definition—People provide the purpose and the intelligence that produces true information. Data versus Information Information is created by defining and organizing relationship among data. Defining different relationships results in different information. Data representation Alphanumeric Image Audio Video Data, Information, and Knowledge (continued) Defining and Organizing Relationships among data creates information 10 Data, Information, and Knowledge (continued) 11 Terminology Knowledge Anawareness and understanding of a set of information and how that information can be made useful to support a specific task Knowledge base The collection of data, rules, procedures, and relationships that must be followed to achieve value or the proper outcome Data Information Exercise Date X Bank statement X The number 1355.76 X Balance sheet X Bus timetable X Car registration plate X The Characteristics of Valuable Information If an organization’s information is not accurate or complete: People can make poor decisions, costing thousands, or even millions, of dollars Depending on the type of data you need: Some characteristics become more important than others 14 The Characteristics of Valuable Information If an organization’s information is not accurate or complete: People can make poor decisions, costing thousands, or even millions, of dollars Depending on the type of data you need: Some characteristics become more important than others 15 Quality of information Time Timely, frequent, current Content Accurate, concrete, relevant, reliable Form Presentation, detail, clarity Value of information Tangible Can be measured in terms of financial value Intangible Not possible to calculate the value Tangible Intangible Exercise Improved Inventory Control T Enhanced customer service I Increased production T Reduced administration cost T Greater customer loyalty I Enhanced public image I Is your data hard or soft? Harddata, also known as quantitative data, tend to make use of figures, such as statistics. Hard data are often collected in order to measure or quantify an object or situation. Softdata, often known as qualitative data, tend to focus on describing the qualities or characteristics of an object or situation. Interviews, for example, are often used to collect qualitative data related to a person’s opinions or beliefs. Sources of information Formalcommunication: Formal communication involves presenting information in a structured and consistent manner. Informal communication: This describes less well-structured information that is transmitted by informal means, such as casual conversations between members of staff. Thanks you