计算机软件工程外文文献及翻译 第2页
maintenance work, an alarming proportion of consumption of resources. More seriously, many individual procedures ultimately make them become the preserve. "software crisis" on such a !1968 North Atlantic Treaty Organization, a computer scientist at the federal convening an international meeting to discuss the software crisis, At this meeting semi-official use of "software engineering" the term, a new project was born on this subject.
Software refers to the crisis in computer software development and maintenance process encountered a series of serious problems. These problems must not only is not only normal operation of the software that has, in fact, almost all software exists to varying degrees these questions : how to develop software to meet the increasing demand for the software; how to preserve the ever-increasing number of the existing software. Since the software is a long-term crisis and not obvious characteristic symptoms, in recent years, it was suggested that the software crisis renamed "depression" or "affliction”. However, "software crisis" of the word stress the seriousness of the problem, but also for the vast majority of workers are familiar with the software.
Software crisis, the one feature of the software itself, and the other software development and maintenance of the main methods are not quite right on. Software is different from hardware; it is the computer system of logic components rather than physical components. Due to the lack of software "Visibility" writes code in the computer and the test before the software development process is very difficult. In addition, Software in the course of operation because of the long time use of the "bad use," if the operation were found wrong, is likely to be encountered in the development of a period of the introduction of the testing phase could not detect the error. Therefore, Software Maintenance usually means to correct or modify the original design, which objectively make software more difficult to maintain.
Software is different from the normal procedures, it's a notable feature is a large, complexity of the procedures with procedures and the size of the increase exponentially increased. To within a specified period of time to develop large-scale software, many people must work together, but how to ensure that everyone completed work together will be able to form a high-quality large-scale software systems, More extreme is a complex and difficult issue, involving not only many technical issues, such as analysis and design methods, Forms description, version control and, more importantly, we must have strict and scientific management.
Software itself is原文请找腾讯752018766辣'文.论,文.网
http://www.751com.cn and use of computer systems in the long-term practice, indeed accumulate and sum up a lot of successful experiences. If the persistent use of practice tests proved to be the correct approach, many difficulties can be overcome. The past also have some of the successful examples. However, a considerable number of software professionals as members of the software development and maintenance of a number of muddled concepts, in the process of practice more or less used the wrong methods and techniques this may enable software development as the main reason for the crisis.
At present, the application of the new system over the needs of human resources can provide the very least; supply of software is becoming increasingly serious. Therefore, software engineering is an important issue. For the development and maintenance of software better and more effective methods and tools.
In order to eliminate software crisis, the first in the computer software should have a correct understanding. Should complete elimination of the computer systems early stages of the development of the "software is proceeding" misconceptions. A software must be a complete configuration component, in fact, is a software, data, and related documentation complete set. Within this total, the process is scheduled to complete the functions and performance of the executable instructions out; Data is appropriate procedures to process information data structure; Documentation is development, use and maintenance procedures for data transmission needs.
More importantly, we must fully understand that software development is not some mysterious individual work skills it should be a well-organized and tightly managed and all personnel, coordinated jointly completed projects. Must fully absorb and use human for a long time engaged in various projects accumulated effective principles, concepts, techniques and methods, in particular to draw dozens of years in human computer hardware research and development lessons.
Should promote the use of the practice summed up the success of the software technology and methods, research and explore better and more effective technologies and methods, removed as soon as possible in the computer system early stages of the development of some form of erroneous concepts and practices.
In short, in order to solve software crisis, we must have the technical measures (methods and tools), as well as the necessary organizational management measures. And the software is from the management and two technical researches how better to 上一页 [1] [2] [3] 下一页
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