Discuss in detail how modern operating systems manage memory using a combination of paging, segmentation, and virtual memory. In your answer, explain how each technique works individually, how they complement one another, and the challenges they solve in terms of process isolation, efficient memory utilization, and system performance. Additionally, analyze the role of the Memory Management Unit (MMU), page tables, and TLB (Translation Lookaside Buffer) in translating virtual addresses to physical addresses. Finally, evaluate the potential problems such as page thrashing and fragmentation, and propose strategies that operating systems use to mitigate these issues.
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