Each unit consist of one to two weeks work and include an introduction, objectives, reading materials, exercises, conclusion, summary, tutor marked assignment (TMAs) and marking scheme, references and other resources. The unit directs you to work on exercises related to the required reading. In general this exercise questions you on the material you have just covered or required you to apply it in some way and thereby, help you to gauge your progress and to reinforce your comprehension of the material. Together with tutor-marked assignments, these exercises will assist you in achieving the stated learning objectives of.
