通常可以将计算机系统中执行一条指令的过程分为取指令、分析和执行指令3步，若取指令时间为4△t，分析时间为2△t，执行时间为3△t，按照顺序方式从头到尾执行完600条指令所需时间为（ ）△t；若按照执行第i条、分析第i+1条、读取i+2条重叠的流水线方式执行指令，则从头到尾执行完600条指令所需时间为（ ）△t。
问题1选项
A.2400
B.3000
C.3600
D.5400
问题2选项
A.2400
B.2405
C.3600
D.3009
正确答案及解析
正确答案
解析
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