Difference between Preemptive and Non-Preemptive Scheduling

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Memory Mapping (Good fit, bad fit, worst fit) and their Comparison

Memory mapping refers to the technique of managing computer memory by dividing it into fixed-sized blocks and mapping logical addresses to physical addresses. When discussing memory allocation strategies like good fit, bad fit, and worst fit, we are typically referring to how free memory blocks are selected to satisfy a memory allocation request. These strategies are commonly used in memory management systems to optimize the use of available memory. Here's a brief overview of each: Best Fit: Good Fit: Best fit involves selecting the smallest available block of memory that is large enough to satisfy a memory request. This is considered a "good fit" because it minimizes wasted memory by choosing the block that best matches the size of the requested memory. However, it may lead to fragmentation over time, as small gaps between allocated blocks can accumulate. First Fit: Good Fit: First fit involves allocating the first available block of memory that is large enough to sat...
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