Deadlock is a situation that arises in concurrent computing when a process is unable to proceed because it is waiting for a resource that is held by another process, which in turn is waiting for another resource held by another process. The dining philosopher problem is a classic example used to illustrate the challenges of resource allocation and deadlock avoidance in concurrent systems.

Statement I: There should be at least 6 chopsticks to avoid deadlock for 6 philosophers.

This statement is incorrect. In the dining philosopher problem, each philosopher alternates between thinking and eating. To eat, a philosopher needs two chopsticks, one for each hand. If there are only 6 chopsticks for 6 philosophers, it is possible for all philosophers to pick up a chopstick in their left hand at the same time, resulting in a deadlock. To avoid this, there should be at least 5 chopsticks available for 6 philosophers. This allows one philosopher to pick up both chopsticks and eat while the remaining philosophers take turns.

Statement II: If the asymmetric solution is implemented then the 1st philosopher picks up her right chopstick first while the 6th philosopher picks up her left chopstick first.

This statement is correct. In the asymmetric solution to the dining philosopher problem, each philosopher is assigned a unique number from 1 to 5. The philosopher with the lowest number always picks up their right chopstick first, while the philosopher with the highest number always picks up their left chopstick first. This ensures that no deadlock occurs, as the philosophers will never be in a situation where they are all waiting for the same chopstick.

Explanation:

- The dining philosopher problem is a classic problem in concurrent computing that illustrates the challenges of resource allocation and deadlock avoidance.
- In the problem, there are 6 philosophers sitting around a table, and each philosopher alternates between thinking and eating.
- To eat, a philosopher needs two chopsticks, one for each hand.
- If all philosophers try to pick up a chopstick in their left hand at the same time, a deadlock can occur.
- To avoid deadlock, there should be at least 5 chopsticks available for the 6 philosophers.
- In the asymmetric solution to the problem, each philosopher is assigned a unique number from 1 to 5.
- The philosopher with the lowest number always picks up their right chopstick first, while the philosopher with the highest number always picks up their left chopstick first.
- This ensures that no deadlock occurs, as the philosophers will never be in a situation where they are all waiting for the same chopstick.
- Therefore, statement I is incorrect as there should be at least 5 chopsticks to avoid deadlock for 6 philosophers.
- Statement II is correct as it describes the behavior of the philosophers in the asymmetric solution.
- Thus, the correct answer is option D: None of the above.