!, 3, 4 is not correct. I have checked it.

Question 4 1 pts 1. The best-fit placement policy is slower on average than the first-fit placement policy. 2. The next-fit placement policy chooses the smallest free block into which the requested memory fits 3. For an implicit free list that is ordered by increasing block sizes, first-fit placement policy minimizes internal fragmentation. 4. For an explicit free list that is unordered by block size, best-fit placement policy minimizes internal fragmentation Which of the statements above are true? 1 and 2 1, 2 and 3 4 only 3 and 4 O 1,3 and 4