試題詳解

1.2 (2%) In modern computer architectures, TLB is usually involved to improve the efficiency of the memory hierarchy. If we meet a situation of TLB miss, what is the following description true?
(A) The data requested by the CPU must be not in the cache.
(B) The data requested by the CPU must be not in the main memory.
(C) The CPU is failed to get the physical address of the required data.
(D) The CPU must send a request to access the main memory immediately.