Long description

Part (a): A set of eight square blocks are connected sequentially. The blocks are labeled A, B, C, D, E, F, G, H from left to right. The A block represents the page loaded first and the H block represents the most recently loaded page. The blocks are numbered as 0, 3, 7, 8, 12, 14, 15, and 18 from left to right.

The blocks of part b are labeled B, C, D, E, F, G, H, A from left to right. The A block is labeled A is treated like a newly loaded page. The blocks are numbered as 3, 7, 8, 12, 14, 15, 18, 20 from left to right.