答案为:
A.on the eontrary
B.in comparison
C.though
D.in contrast
MAC stands for ______.
A.Micro Application Control B.Message Acquired Center
C.Medium Access Control D.Media Access Center
A.Functional
B.Lexical
C.Grammatical
D.Performative
此题为判断题(对,错)。
Functional parallelism was supported by ______.
A.the approach that is to overlap I/E operations
B.the approach that is to use multiple functional units at the same time
C.by software-controlled looping
D.the pipeline arithmetic computations
A.错误
B.正确