Information systems

• Parts of information systems

  • People
  • Procedure
  • Software
  • Hardware
  • Data
• People


  Making end-users more productive
• Procedure


  Rules for people to follow when using software, hardware and data
• Software


  A program consisting of step-by-step instructions that tell the computer what to do
• Hardware


  Equipment that processes data and creates information
• Data


  Raw, unprocessed facts including texts and numbers
• End users


  People who use computers
• Types of contact between people and information systems

  • Direct
  • Indirect
• Types of software


  • System software
  • Application software
• System software


  Used by computers to enable application software to interact with computer hardware
• Application software


  Used by computer users
• Purpose of information systems

  Convert data into information
• Device


  Part of hardware that processes data and creates information