Explain the purpose of memory management

Assignment Help Management Information Sys

Reference no: EM133438038

Define the following terms related to memory management:
1. Page Table
2. Swapping
3. Working Set
4. Buddy System
5. Memory Allocation Policy
Explain the purpose of memory management in an operating system. Discuss the different memory allocation methods used in memory management, with examples.
Discuss the concepts of internal and external fragmentation in memory management. Explain how these issues arise, and discuss the techniques used to overcome them.
Explain the differences between paging and segmentation in memory management. Discuss the advantages and disadvantages of each technique, with examples.
Discuss the role of virtual memory in memory management. Explain how virtual memory is implemented, and discuss the benefits and drawbacks of using virtual memory.
Explain the concept of thrashing in memory management. Discuss the factors that can cause thrashing, and explain the techniques used to prevent it.
Suppose a computer system has the following characteristics:
1. Main memory access time = 60 ns
2. Cache access time = 10 ns
3. Hit rate for the cache = 90%
4. Page fault rate = 1%
5. Page fault service time = 200,000 ns

Calculate the effective access time (EAT) for the system.

Reference no: EM133438038

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