Computer Science (from 2021) 9618: Software Development Topical Past Paper Questions

(a) Outline the purpose of lexical analysis during the compilation of a program. [2] (b) Write the Reverse Polish Notation (RPN) for the given infix expression: $ (2 - 6) * (13 + 7) / 5 $ (c) The RPN expression: $ \frac{\mathrm{d} \, \mathrm{a} \, \mathrm{b} + * \, \mathrm{c} \,…

A program is written in a high-level language by a team of three programmers using an Integrated Development Environment (IDE). (a) Describe how the programmers can use the debugging features of a typical IDE during the development of the program. [4] (b) The programmers created…

(a) Explain the importance of feedback in a control system. [2] (b) Give one example of an embedded system and explain why it is an example of an embedded system. Example ..... Explanation ..... [3]