There is nothing in this world constant but inconstancy.--SWIFT
Project after project designs a set of algorithms and then plunges into construction of customer-deliverable software on a schedule that demands delivery of the first thing built.
In most projects,the first system built is (71) usable,It may be too slow,too big,awkward to use,or all three.There is no (72) but to start again,smarting but smarter,and build a redesigned version in which these problems are solved.The discard and (73) may be done in one lump,or it may be done piece-by-piece.But all large-system experience shows that it will be done.Where a new system concept or new technology is used,one has to build a system to throw away,for even the best planning is not so omniscient(全知的)as to get it right the first time.
The management question,therefore ,is not whether to build a pilot system and throw it away.You will do that.The only question is whether to plan in advance to build a (74),or to promise to deliver the throwaway to customers.Seen this way,the answer is much clearer.Delivering that throwaway to customers buys time,but it does so only at the (75) of agony(极大痛苦)for the user,distraction for the builders while they do the redesign,and a bad reputation for the product that best redesign will find hard to live down.
Hence plan to throw one away;you will,anyhow.
71.()
A.almost
B.often
C.usually
D.barely
第1题
A.对于任何一种高级语言来说,仅有解释程序或编译程序,不可能两者兼而有之
B.从汇编语言到机器语言的翻译程序,称为汇编程序
C.从高级语言到汇编语言(或机器语言)的翻译程序,称为编译程序
D.按源程序中语句的执行顺序,逐条翻译并立即执行相应功能的处理程序,称解释程序
第2题
A.汇编语言处理程序、高级语言编译程序和高级语言解释程序
B.机器语言处理程序、高级语言编译程序和高级语言解释程序
C.机器语言处理程序、汇编语言处理程序和高级语言编译程序
D.机器语言处理程序、汇编语言处理程序和高级语言解释程序
第3题
A.汇编语言程序 机器语言程序
B.高级语言程序 汇编语言程序或机器语言程序
C.汇编语言程序或高级语言程序 机器语言程序或高级语言程序
D.高级语言程序 机器语言程序或高级语言程序
第4题
A.A.编辑程序和编译程序
B.B.编辑程序和翻译程序
C.C.编译程序和翻译程序
D.D.编译程序和解释程序
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