Reverse engineering is about A. Mapping model to source code B. Optimize system model C. Modify model based on source code changed D. Optimize source code Which one is correct regarding software development? A. Software life cycle refers to how software is used. B. Problem specification is a component of software development. C. Object oriented design produces faster programs. D. Inheritance discourages code reuse. True or false? A design pattern is a collection of classes and interfaces that can be used as implementation. A. True B. False Which of the following are appropriate for a requirements document A. Multiple users will be able to log on without experiencing conflicts or B. The program will not have any bugs. C. If the systems detect a major issue, it will save state and restart. D. The user will be able to modify the location of the program's save location machine. E. The system shall be available to all users at normal working hours. F. Downtime within normal working hours shall not exceed five seconds G. Each staff member using the system shall be uniquely identified by his employee number. The questions 25 to 27 are based on the following problem scenario about It is a remote control system. Our remote controller is the center of home a control everything. For the moment, we just have a light as an example that off. We decide to use command design pattern for this system