试题与答案

某数据处理流水线如图1-5所示,若每隔3△t流入一个数据,连续处理4个数据。此数据处

题型:单项选择题

题目:

某数据处理流水线如图1-5所示,若每隔3△t流入一个数据,连续处理4个数据。此数据处理流水线的实际吞吐率为 (77) 。此时该流水线的效率为 (78)


A.4/(12△t)

B.4/(13△t)

C.4/(14△t)

D.4/(15△t)

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析: 这是道需简单计算方能得出答案的题。招据题意可列算式为,(10963-7 840)÷1096≈28%。故本题正确答案为C。

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题型:单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.
A socket is basically an end point of a communication link between two applications. Sockets that extend over a network connect two or more applications running on (31) computers attached to the net-work. A socket (32) two addresses: (33) . Sockets provide a (34) communication channel between one or more systems. There are (35) sockets separately using TCP and UDP.

A.message and packet

B.packet and frame

C.stream and datagram

D.flow and block

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