What is the system supposed to do? What is it supposed to accomplish? What inputs must be processed and what outputs produced? What is the essence of the system in technology-free terms? • What is available to build the system? Are there restrictions on what must be used or what can be used? • How well must the system do whatever it is that the system is supposed to do? By what criteria is the performance of the system to be judged? • What are the criteria for judging how well available resources have been used in building and operating the system? What are the cost requirements for the
...more
