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Galvin Edition 9 Exercise 9 Question 5 (Page No. 450)
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Discuss the hardware support required to support demand paging.
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Galvin Edition 9 Exercise 9 Question 7 (Page No. 450-451)
Consider the two-dimensional array $A$: $int A[][] $=$ $new$ $int[100][100];$ where $A[0][0]$ is at location $200$ in a paged memory system with pages of size $200$. A small process that manipulates the matrix resides in page $0$ (locations $0$ to $ ... $for (int j = 0; j < 100; j++)$ $A[i][j] = 0;$
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Galvin Edition 9 Exercise 9 Question 6 (Page No. 450)
An operating system supports a paged virtual memory. The central processor has a cycle time of $1$ microsecond. It costs an additional 1 microsecond to access a page other than the current one. Pages have $1,000$ words, ... this system, assuming that the system is running one process only and that the processor is idle during drum transfers.
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Galvin Edition 9 Exercise 9 Question 4 (Page No. 450)
Consider the following page-replacement algorithms. Rank these algorithms on a five-point scale from “bad” to “perfect” according to their page-fault rate. Separate those algorithms that suffer from Belady’s anomaly from those that do not. $a$. $LRU$ replacement $b$. $FIFO$ replacement $c$. Optimal replacement $d$. Second-chance replacement
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Galvin Edition 9 Exercise 9 Question 37 (Page No. 456)
The slab-allocation algorithm uses a separate cache for each different object type. Assuming there is one cache per object type, explain why this scheme doesn’t scale well with multiple CPUs. What could be done to address this scalability issue?
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