Here are 9 questions on Buddy System. Each question is presented in a table format. each question is solved in explained form.
question 1: Consider the following page-reference string : 1 2 3 2 1 4 2 3 1 4 3 2 1 4 1 2 3 4 How many page fault occur in the LRU and Optimal page replacement algorithms, assuming three frames ?
solutions :
optimal page replacement question

Least recently used (LRU)
