Carlos is designing a new computer system to replace an existing system.

a Tick four items which will need to be designed. Inputs to the current system. Data capture forms. Tick() Report layouts. Limitations of the system. Observation methods. Improvements to the system. User and information requirements. Validation routines. Problems with the current system. File structures. b Before the system is implemented it needs to be tested. Different types of test data are used to test the system. An example of test data is live data. Describe what is meant by live data. c Following the implementation of the system, technical documentation needs to be written. Identify three components of technical documentation which are not found in user documentation.