Many candidates were poorly prepared for ~he examination. As reported by the Chief Examiner, it appeared that candidates were unable to handle questions other than the simple 'recall' variety. The fact that only a few of the candidates could correctly respond to the question on combinational logic and explain 'open loop' control suggests that the topic may not be popular with instructors/candidates did not have competent instructors or candidates were not given adequate instructor support in their preparations
Suggested Remedies
The obvious remedy reported for this recurring weakness is good preparation under the supervision of seasoned instructor.