Transcription of Virtual Memory and Address Translation
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Virtual Memory and Address Translation
Virtual Memory andAddress Translation1 ReviewProgram addresses are Virtual addresses. Relative offset of program regions can not change during program execution. , heap can not move further from Virtual addresses == physical Address inconvenient. Program location is compiled into the single offset register allows the OS to place a process Virtual Address space anywhere in physical Memory . Virtual Address space must be smaller than physical. Program is swapped out of old location and swapped into creates external fragmentation and requires large 2ggqgregions of contiguous physical Memory .
Virtual Memory and Address Translation 1 Review Program addresses are virtual addresses. ¾Relative offset of program regions can not change during program execution. E.ggp., heap can not move further from code. ¾Virtual addresses == physical address inconvenient. Program location is compiled into the program.
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