2. 计算机
  3. The　heat　generated　by　the　operating　system　war　between　rivals　IBM　Corp.　and　Microsoft　Corp.　is(21).Windows　95　and　OS/2　introduce

The　heat　generated　by　the　operating　system　war　between　rivals　IBM　Corp.　and　Microsoft　Corp.　is(21).Windows　95　and　OS/2　introduce

admin2009-05-15  43
问题 The　heat　generated　by　the　operating　system　war　between　rivals　IBM　Corp.　and　Microsoft　Corp.　is(21).Windows　95　and　OS/2　introduce　a　new(22).　Both　systems　claim　to　multitask　legacy　DOS　and　16-bit　Windows　applications.　However,　only　OS/2　can　provide　full　memory(crash) protection　for　these　legacy　applications　because　it　is　capable　of　running　each　DOS　and　Windows　application　within　its　full-protected　memory　address　space.Windows　95　will　run　all　current　Windows　applications　in　the　same　shared-　memory　address　space,　affording　full　memory　protection　only　to　the(23)32-bit　Windows　95　applications.　In　other　word,　Windows　95　users　will　have　to(24)their　current　Windows　applications　to　Windows　95　version　to　match　the　memory　protection　OS/2　now　delivers.While　OS/2　does　afford　superior　memory　protection　and　multitasking　for　legacy　DOS　and　Windows　applications,　it　will　not　be　able　to　run　any　Windows　95　applications.　IBM　may　address　this(25)in　an　update　of　the　OS　but　has　no　present　plans　to　do　so.
选项 A、upgrade
B、upstair
C、downstair
D、downgrade
答案A
解析
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