Purchase or Develop software

• IS vendor

  • company that offer computer-related resources
• In-house software (internal)

  Techniques

  • CASE and OO approach (OO gives key object and classes of object)
  • cross-platform (software in different OS)
  • integrated development environment (software that maximize productivity by offering tools)
  • documentation
• External acquired software

  • combine software from vendors
  • subscribe to software