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fragmentashon is a phenomena in which storage sapce is used inefficetively,reducing storage capacity

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What is the difference between external fragmentation and internal fragmentation in memory management?

External fragmentation occurs when free memory blocks are scattered throughout memory, making it difficult to allocate contiguous blocks of memory to processes. Internal fragmentation, on the other hand, happens when allocated memory is larger than what is actually needed, leading to wasted space within memory blocks.


Does a paged memory management system have the fragmentation problem at process image level?

No, not at all


WHAT IS SINGLE USER CONTIGUOS SCHEME?

Single user contiguous scheme is a memory allocation technique where a single block of contiguous memory is allocated to a process. This means that the entire memory space needed by a process must be available in a single block without any breaks or fragmentation. It simplifies memory management but can lead to wastage of memory due to fragmentation.


Is relocatable Dynamic Memory external or internal fragmentation?

external fragmentation


Compare Contiguous memory allocation with internal fragmentation?

in early, computer system has contiguous memory allocation,each process is allocated in a single contiguous(together) memory!!(allocating into memory addresses one by one,)it has tackled memory fragmentation(both internal and external). not allocating for a fixed size memory block.so no internal fragmentation, allocating contiguously ,so no external fragmentation!!!


Definition of internal fragmentation and external fragmentation?

External Fragmentation: External Fragmentation happens when a dynamic memory allocation algorithm allocates some memory and a small piece is left over that cannot be effectively used. If too much external fragmentation occurs, the amount of usable memory is drastically reduced. Total memory space exists to satisfy a request, but it is not contiguous. Internal Fragmentation: Internal fragmentation is the space wasted inside of allocated memory blocks because of restriction on the allowed sizes of allocated blocks. Allocated memory may be slightly larger than requested memory; this size difference is memory internal to a partition, but not being used


What are the disadvantages of memory segmentation in 8086?

disadvantages of memory segmentation


Difference between internal fragmentation and external fragmentation in operating system?

Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request. External Fragmentation: External Fragmentation happens when a dynamic memory allocation algorithm allocates some memory and a small piece is left over that cannot be effectively used. If too much external fragmentation occurs, the amount of usable memory is drastically reduced. Total memory space exists to satisfy a request, but it is not contiguous. Internal Fragmentation: Internal fragmentation is the space wasted inside of allocated memory blocks because of restriction on the allowed sizes of allocated blocks. Allocated memory may be slightly larger than requested memory; this size difference is memory internal to a partition, but not being used


What is fragmentation in OS?

fragmentation is as a process which are loaded or removed from memory. the free memory space is broken into Little pieces, such types of pieces may or may not be of any use to be allocated individually to any process. this may give rise to term memory waste or fragmentation.


External fragmentation. Why is it needed?

External fragmentation describes the situation where free memory blocks are scattered throughout the memory space, which can make it challenging to find contiguous blocks of memory for larger programs or data. This can slow down the memory allocation process and waste memory resources. Techniques such as compaction or paging are used to reduce external fragmentation and ensure efficient memory utilization.


What are some examples of fragmentation?

Fragmentation in computer science can refer to physical fragmentation (when files and data are scattered across a disk) or memory fragmentation (when memory becomes divided into small unusable chunks). Fragmentation in ecosystems can occur when habitat patches become isolated, affecting the movement and survival of species. Fragmentation in society can be seen through the segregation of communities or the division of resources based on socioeconomic status.


What type of fragmentation is caused by relocatable dynamic?

Relocatable dynamic fragmentation is caused by the repeated allocation and deallocation of memory blocks of varying sizes, leading to small gaps that may not be reused efficiently due to mismatches in size requirements. Over time, this can result in a high level of fragmentation and a decrease in memory utilization efficiency.