单项选择题

下列关于TLB和 Cache的叙述中，错误的是（）。
A、.命中率都与程序局部性有关
B、.缺失后都需要去访问主存
C、. 缺失处理都可以由硬件实现
D、都由DRAM存储器组成

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单项选择题

What is the difference between compounds and blends?

A．Compounds are formed by combing two or more free words while blends are formed by joining parts of two words or a word plus a part of another word.
B．Compounds are formed by combing parts of two words or a word plus a part of another word while blends are formed by putting together two or more free words.
C．Both are made up of the initial letters of phrases, but compounds are pronounced as single words while blends are pronounced letter by letter.
D．Both are made up of the initial letters of phrases, but blends are pronounced as single words while compounds are pronounced letter by letter.

A.289000

答案： B.8.46×1010
C.55300
D.235
正确答案：8.46×1010