一般来说，Cache的功能(14)。某32位计算机的cache容量为16KB，cache块的大小为16B，若主存与cache的地址映射采用直接映射方式，则主存地址为1234E8F8(十六进制)的单元装入的cache地址为(15)。在下列cache替换算法中，平均命中率最高的是(16)。

(64)

(63)

(62)

(61)

(59)

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

(57)

(58)

(56)

In(66)the strength of the carrier signal is varied to represent binary 1 or 0.(67)is a system that can map a name to an address and conversely an address to an name.(68)is a three -way handshaking authentication protocol that it's packets are encapsulated in the point - to -point protocol.(69)is an approach that enables an ATM Switch to behave like a LAN switch.(70)is an guided media which is made of glass or plastic and transmits signals in the form. of light.