Question

1a. List one similarity and one difference between paged memory and demand paging memory allocation. Explain two circumstances where one might be preferred over the other

b. What are the fundamental differences between paging scheme and segmented memory allocation? List both advantages and disadvantages of each neatly using tables

c. Which (3) tables are used by the memory manger to keep track of the segments in memory? Describe each table.

2a. Why are segmentation problem like, compaction and external fragmentation removed in the combined segmented/demand paged memory allocation?

b. Give an example of each, first-in-first out (FIFO) and least-recently–used (LRU) policy.

c. What is internal and external fragmentation. Explain circumstances where one might be preferred over the other.

Answer 1