Problem:

(a) One of the design principles of Norman is to provide a good conceptual model. Describe the conceptual model and how is it used by system designers?

(b) List down the seven principles for transforming difficult tasks into simple ones.

(c) According to you, why do you think users should be involved as early as possible when developing application software?

(d) Explain how the format bitmap (bmp) is different from the format jpeg for storing images.