As anoperating system repeatedly allocates and frees storage space，many physically separated unused areas appear．This phenomenon is called(71).A．fragmentationB．compactionC．swappingD．paging

题目

As anoperating system repeatedly allocates and frees storage space，many physically separated unused areas appear．This phenomenon is called(71).

A．fragmentation

B．compaction

C．swapping

D．paging

相似考题

1.physically

2.I need ( ) cloth, for I'm going to make ( ) clothes.A、many/ manyB、many/ a lot o{C、a lot of/ manyD、much/ much

3.Whatwillbewrittentothestandardoutputwhenthefollowingprogramisrun？（）publicclassQ03e4{publicstaticvoidmain（Stringargs[]）{Stringspace=""；Stringcomposite=space+"hello"+space+space；composite.concat（"world"）；Stringtrimmed=composite.trim（）；System.out.println（trimmed.length（））；}}A.5B.6C.7D.12E.13

4.Vingo showed the young people the pictures of his family which were _____ snapshots.A. many-handlingB. much-handlingC. many-handledD. much-handled

参考答案和解析
正确答案：A
解析：随着操作系统反复分配与释放存储空间，就会出现许多不连续的未用物理区域，这种现象称为碎片。
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