操作系统第8章作业附答案1、Explainthedifferencebetweeninternalandexternalfragmentation.2、Givenfivememorypartitionsof100KB,500KB,200KB,300KB,and600KB(inorder),howwouldeachofthefirst-fit,best-fit,andworst-fitalgorithmsplaceprocessesof212KB,417KB,112KB,and426KB(inorder)?Whichalgorithmmakesthemos