Designing, developing, integrating and deploying a complete software system for an embedded application involves a large number of interrelated questions and optimization trade-offs. With proper planning, such a challenge can be efficiently mastered resulting in a highly differentiated solution.

a) Identify one embedded system and discuss the characteristic of the chosen system based on:

(i) Operating system

(ii)User interface development

(iii) Security 

b) Explain what is N-version programming and the benefits of using this approach.