What is meant by swap in computer architecture?
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Replacing one segment of a program in RAM with another part of a program and restoring it back to the original if required.
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Swap : Swapping is also known as a technique for memory compaction. Swapping mechanism is based upon swapped out and swapped in.
Whenever any process which is reside in main memory and needs any input / output device that process has to be swapped out from the main memory to the secondary storage. Secondary storage is also known as backing storage.
It will be swapped in from secondary storage to main memory when that process completes its task.
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