Lists on Data Structure and Algorithms related Questions and Answers

Question :   What are the disadvantages in implementing buddy system algorithm for free lists ? 1. internal fragmentation 2. it takes so much space 3. we no more have the hole lists in order of memory address, so it is difficult to detect if 2 holes remain adjacent in memory and shall be merged into one hole 4. both a and c are correct Answer :   4 - both a and c are correct