软件工程需求分析(英文版)下载

The first questions a businessperson，such as the manager of a department，should consider are：“What needs to be done better in my business？”and“Will a computer help？”．Of course，that person might have a difficult time specifying exactly what needs to be done more efficiently in his or her business．And，there are cases where managers introduce computers into their departments without understanding their applications．For example，suppose a small firm does not have a working manual accounting system but contracts the job to an accounting service because no one in the firm really understands accounting．A computerized accounting system might be difficult to implement or，worse yet，might aggravate the accountin