Design is an<u>art</u> lecture 1. <u>prototyping</u> is a technique that can be used to reduce customer dissatisfaction at requirement stage. Coper jones divided software activities into <u>25</u> different categories. Context level data flow diagram is <u>0-level DFD</u> Alan devis se related koi mcq aya tha ab bhol gya(lecture 3) Name 4 levels of system requirements(1 or 2 mcqs and long. Learn the definitions too) Prototyping n software requirements topics cover krlena