31266 : 31266 - Introduction to Information Systems Notes
Document Summary
31266 week 2 value: information systems and value. Information : data description of things, events, activities and transactions that are recorded, classified and stored but not organised to convey any specific meaning. Advantage of roi is quantifying the costs and benefits of an is. Disadvantage is identifying the causal link between the investment and is, e. g. was extra revenue generated solely from the is. 31266 week 3 value: systems that span the organisation. This may create disadvantages due to data accuracy, lack of communication and consistency, poor controls, expensive upgrades. 31266 week 4 design and documentation: information systems development methodologies. 31266 week 5 design and documentation: information systems development methodologies 2. Test they have never done it before. Purpose of a unit test is to check that the program has been coded in accordance with its design. 31266 week 6 design and documentation: business process and systems documentation.
