Sys. Fundamentals 1.1.3 Compatibility issues resulting from situations including legacy systems or business mergers Flashcards
WHAT IS A LEGACY SYSTEM?
old technology, hardware, computer system, or application program
REASONS WHY A LEGACY SYSTEM MAY STILL BE IN USE IN AN ORG. ?
system may still be in use because its data cannot be converted to newer formats, or its applications can’t be upgraded
WHAT INVOLVES KEEPING A LEGACY SYSTEM?
various maintenance challenges. exchange between legacy systems and new systems is difficult
WHAT IS A BUSINESS MERGER?
combining of two or more business entities
WHAT IS THE MAIN REASON COMPANIES MERGE?
reduce costs
WHAT NEED TO BE ENSURED BEFORE A BUSINESS MERGER?
both companies need to ensure that all subsystems are compatible
WHAT ARE THE FOUR STRATEGIES OF INTEGRATION IN A BUSINESS MERGER?
- keep both information systems and develop them to have the same functionality (high cost), 2. replace both informations systems with a new one (increased initial cost), 3. Select the best information systems from each company and combine them (difficult for employees to work with IT systems from another company), 4. Select one company’s Information systems and drop the other companies’ (policy issues).
WHAT IS A LIMITATION FOR ORG. THAT HAVE DIFFERENT LOCATIONS IN DIFFERENT COUNTRIES?
language differences, also due to software incompatibility
WHAT IS SOFTWARE INCOMPATIBILITY?
situation where software entities or systems can’t operate satisfactorily, cooperatively, or independently on the same computer or on different computers linked by a local or wide area computer network