Instruction Decode Unit

1、Bus Interface Unit BIU

Bus Interface Unit BIU

2、肽单位（peptide unit）

肽单位（peptide unit）

3、Instruction Register (IR) is normally

Instruction Register (IR) is normally used to point outAThe address of next execution instructionBThe address of last execution instructionCThe current execution instructionDNone of above

4、An instruction that uses indrect addre

An instruction that uses indrect addressing mustt contain an address of memory whereAdata is storedBa pipeline stall will be executedCa page fault is addressedDanother address is stored

5、单元操作（Unit Operation）

单元操作（Unit Operation）

6、英译中（Translate）：photosynthetic unit（）

英译中（Translate）：photosynthetic unit（）