Information Systems

2. done or existing within an organisation
5. the goal of this phase is to create Project Development Plan, that is usually reviewed and approved by management
6. an act of asking politely or formally for something
8. the process of deactivating an old information system and activating a new one
10. an act of identifying something precisely or of stating a precise requirement
12. this phase involves making changes to hardware, software, and documentation to improve system’s performance, correct problems, enhance security, or address user requirements

1. complete product or service that is ready for immediate use
2. the process of putting a decision or plan into effect; execution
3. the increase of something in a way that was not expected or wanted
4. it's a phase where software developers define the technical details of the product, that can include screen designs, databases, sketches, system interfaces, and prototypes
7. something that's mandatory or necessary
9. the goal of this phase is to produce a list of requirements for a new or revised information system
11. a book giving instructions or information