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Lecture 1: Introduction to Information Systems

BMC106 – Cyber Security | Unit I

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Learning Objectives

  • Define an Information System
  • Understand data and information
  • Identify major components of an Information System
  • Explain the role of Information Systems in organizations

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Data and Information

  • Data = raw facts and figures
  • Information = processed, organized and meaningful data
  • Example: 75, 82, 91 → Average = 82.67%
  • Information supports understanding and decision-making

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Information System

  • A combination of people, processes, data and technology
  • Collects, processes, stores and distributes information
  • Supports organizational operations and decision-making

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Components

  • Hardware: computers, servers, storage and network devices
  • Software: operating systems, applications and databases
  • Data: student, employee, financial and research records
  • People: users, administrators and technical staff
  • Procedures: rules and processes for operating the system

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Example: College ERP

  • Hardware: servers and computers
  • Software: ERP and database
  • Data: student registration, attendance, marks and fees
  • People: students, faculty and administrators
  • Processes: admission, attendance, examination and fee payment

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Class Activity

  • List five Information Systems used in daily life
  • Identify the hardware, software, data, people and processes in one example

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Quick Recap

  • Data → Processing → Information → Decision
  • Information Systems combine people, process, data and technology