2. 计算机
  3. The　"main　storage"　normally　means　that　part　of　internal　storage　into　which　instructions　and　other　data　must　be　loaded　for　subseq

The　"main　storage"　normally　means　that　part　of　internal　storage　into　which　instructions　and　other　data　must　be　loaded　for　subseq

admin2009-02-15  40
问题 The　"main　storage"　normally　means　that　part　of　internal　storage　into　which　instructions　and　other　data　must　be　loaded　for　subsequent　execution　or　processing.　In　large　computing　systems,　the　term　"main　storage"　is(71) to　"memory".　"Buffer"　mainly　indicates　a　special-purpose　storage　or　storage　area　allowing,　through(72) storage,　the　data　transfer　between　two　functional　units　having　different　transfer　characteristics.　A　buffer　storage　is　used　between　non-synchronized　devices　or　where　one　is(73) and　the　other　is　parallel　or　between　those　having　different　trans　far　rates.　"(74) (memory)"　is　also　a　special-purpose　buffer　storage,　smaller　and　faster　than　main　storage,　used　to　hold　a　copy　of　instructions　and　data　obtained　from　main　storage　and　likely　to　be　needed　next　by　the　processor.　"Register"　is　commonly　composed　of　a　part　of　internal　storage　having　a　specified　storage(75) and　usually　intended　for　a　specific　purpose.
选项 A、suitable
B、optional
C、choice
D、preferred
答案D
解析
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