According to the author, Tetris and life are similar because_________.
A. they are for the present and you cannot control the future
B. they are for the future and you can predict what will happen in the future
C. they are complicated in nature and we should do nothing
D. Tetris can be treated as the real life we have
查看答案
According to the text, which one is correct?
A. The author’s attitude towards Tetris is negative.
B. The author’s attitude towards Tetris is positive.
C. The author likes to play Tetris and chess sometimes.
D. The author gave up gaming when he was fifteen years old.
[2015]假疋编译器赋值语句“x=x+3;”转换为指令“add xaddr,3”，其中，xaddr是x对应的存储单元地址。若执行该指令的计算机采用页式虚拟存储管理方式，并配有相应的TLB，且 cache使用写穿的方式，则完成该指令功能需要访问主存的次数至少是________
A. 0
B. 1
C. 2
D. 3
[2010]下列命中组合情况中，一次访存过程中不可能发生的是_______
A. TLB未命中，cache未命中，Page未命中
B. TLB未命中，cache命中，Page命中
C. TLB命中，cache未命中，Page命中
D. TLB命中，cache命中，Page未命中
[2013]某计算机主存地址空间大小为256MB，按字节编址。虚拟地址空间大小为4GB，采用页式存储管理力式，页面大小为4KB，TLB（快表）采用全相联映射，有4个页表项，内容如表4.12 所示。表4.12 4个页表项的内容则对虚拟地址03FFF18OH 进行虚实地址转换的结果是_______。
A. 015318OH
B. 0035180H
C. TLB缺失
D. 缺页
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