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代写英国论文范文:Maintenance of computer software(3)

时间:2018-09-07 17:18来源:www.ukthesis.org 作者:英国论文网 点击联系客服: 客服:Damien

 
In the process of computer software maintenance, preventive work maintenance mainly refers to a maintenance work aimed at improving the performance and reliability of software that is still in normal use. The main working method of this kind of maintenance work is the actual method of software engineering. In the process of maintenance, we can redesign or upgrade some or all of the functions in the software. To improve and enrich the performance of the application through programming and performance retesting. The main purpose of doing this is for the computer software in the later stage for the maintenance of the normal development. This maintenance method is very common in the early application of computer software in China.
 
In the process of computer software maintenance upgrade, we have a lot of specific maintenance requirements, summarize three requirements, can be classified as the first is in the process of computer software maintenance upgrade work, we require to run the software operating system for regular check on the quality, guarantee the computer software in the process of application, keep on an application level; Secondly, in the process of software maintenance and upgrading, we should ensure that the data related to computer software in the process of maintenance and upgrading is completely correct, so that the computer software after maintenance and upgrading will not deviate from the original data model. Thirdly, in the process of computer software development and upgrading, professional operation must be carried out by professional staff, so as to effectively guarantee the integrity and reliability of computer software maintenance and upgrading.
 
The maintenance of computer software is almost as complex as the development process, so software maintenance activities can often be defined as the repetition of the previous phases of the software lifecycle. The general steps are: determine the modification type; Determine the need for modification; Request for modification; Demand analysis; Approve or reject a request for amendment; Scheduling tasks; Design; Design review; Code modification and error correction; Review coding modifications; Test; Update documents; Standard audit; User acceptance; Review the impact of modifications on the system after installation. In the implementation of software maintenance activities, the following matters should be noted: firstly, establish a special maintenance organization to improve the control and efficiency of maintenance, motivate maintenance personnel, and avoid lack of confidence. Second, develop a system maintenance plan, which includes replacing obsolete modules and new versions.

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