Answer:
1. Real time support design goal
2. Fairness design goal
Explanation:
These two design goals contradict themselves.
1. Real time support design goal
2. Fairness design goal
1. Real time design goal:
In real time resource allocation are based on time. The processes have just a limited time for the control of the CPU. When the task is not completed after a fixed time, the control would then jump to the next process.
2. Fairness system design;
In fairness system, resource allocation to all processes are on the basis of fairness. No system would retrieve resources that are more than its share.