Maintenance oriented selection of software components of a computer

Maintenanceoriented selection of software components core. Computeraided software engineering case tools 2 objectoriented software development computeraided software engineering case tools. Computerised maintenance management systems cmmss are vital for the coordination of all activities related to the availability, productivity and maintainability of complex systems. The distribution of types of maintenance by type and by percentage of time consumed. Introduction a software system can only be maintained to the extent that it is known. Software development is the process of conceiving, specifying, designing, programming, documenting, testing, and bug fixing involved in creating and maintaining applications, frameworks, or other software components. The difference must be in how software components are used.

At the best of times, backing up can seem like a tremendous chore to many of us. Basic maintenance for computers before switching on the computer. Comparative study of the factors that affect maintainability. Its a big part of developing better maintenance practices.

Component based software engineering vs service oriented. Software development is a process of writing and maintaining the source code, but in a broader sense, it includes all that is. Cs3043 assignment 1 faculty of computer science unb. Software components of a computer system have no physical presence, they are stored in digital form within computer memory. A computer containing accumulated dust and debris may not run properly. Acquisition of software intensive computer systems shifted toward the inclusion of offtheshelf ots components in the 1990s in order to control spiraling software costs. Criteria for selecting software process models computer notes. An hdmi output jack lets you run a video cable from the computer to a tv, so you can use the computers dvd drive to view a movie or stream from an online service such as netflix to a tv instead.

Capability maturity model cmm 15 is used for improving organi zation business areas like software maintenance, project management etc. Collection of instructions that enables a user to interact with the computer. A software maintenance procedure consists of three steps. Components are a means of breaking the complexity of software into manageable parts. Index termssoftware architecture, architectural change, software evolution, open source software, architecture recovery, software development management, software maintenance.

Database convert the data model to a database design. Any part that we can see or touch is the hard ware. Note that only a few process models emphasize risk assessment. Dust and debris will accumulate as a result of air cooling. For example, an efficient component will receive more use than a similar, inefficient component. The software which does this translation is known as the support software.

Effective computer maintenance can be the difference between a reliable system and one that is plagued with problems. It stands for all the modifications and updations done after the delivery of software product. Logical systems design describes the functional requirements of a systems. Software can also be described as being either generic or bespoke system software is the software used to manage and control the. Each component hides the complexity of its implementation behind an interface. Jan 06, 2014 software maintenance reuse oriented model the reuse model has four main steps. Hvac environmental control technology program hvacr. In the networking arena, computer certification courses are divided between courses that contend with the physical aspects of networking and those that center on software management.

Perfective maintenance is concerned with the change in the software that occurs while adding new functionalities in the software. Ipc industrial computers longterm supply five years from sales launch and longterm maintenance support six years from end of production offered. Computeraided facilities management guide smartsheet. Jan 11, 2017 evolution software maintenance typically does not involve major changes to the systems architecture changes are implemented by modifying existing components and adding new components to the system software evolution is a broader term that encompasses both software maintenance and bigger changes at different phases of the software lifecycle. Installation the process of physically placing the computer equipment on the site and making it operational. Sometimes called componentware, software designed to work as a component of a larger application. Computer maintenance is the practice of keeping computers in a good state of repair. Component based software engineering cbse, also called components based development cbd, is a branch of software engineering that emphasizes the separation of concerns with respect to the wideranging functionality available throughout a given software system. Hardware maintenance course focuses primarily on computer hardware components, common problems arising in them and repair work related to them.

The current popular, technical, and scientific interest in ves is inspired, in large part, by the advent and availability of increasingly powerful and affordable visually oriented, interactive, graphical display systems and techniques. Alice for windows, glass, cdsisis, strategic library automation and management slam, liberty, tinlib, and xlib. Software maintenance is widely accepted part of sdlc now a days. Examines several important software applications so that students may develop the skills necessary to use computers. Reliability centred maintenance rcm is a corporatelevel maintenance strategy that is implemented to optimize the maintenance program of a company or facility. Developing intelligent agents is a complex software engineering activity but the benefits of applying software engineering principles such as highlevel languages, maintenance oriented development environments, and software reuse to intelligent agent development have not yet fully migrated to the agent development community. However, maintaining componentbased systems cbss introduces new issues. Components can be swapped in and out like the interchangeable parts of a machine. A feature oriented software development assistant fosda. During maintenance one adds new features or modifies existing ones by adding new modules andor modifying existing ones. Systems design a phase in the development of an is system that answers the question how will the information system do what it must do to obtain a solution to a problem. Pdf maintenanceoriented selection of software components. Computer maintenance can take many different forms, but all are centered around extending the lifespan of your it equipment through careful use and.

Lack of time and experience to make good decisions about particular products can. An effective system development life cycle sdlc should result in a high quality system that meets customer expectations, reaches completion within time and cost evaluations, and works effectively and efficiently in the current and planned information technology infrastructure. Computer maintenance checklist for software and hardware components it is better to sew up a small hole with one or two stitches rather than waiting till your pants rip. An extensive survey 1 reported that there is a paradox in cmms selection and implementations. A computerized maintenance management system cmms helps facilities organize and manage preventive maintenance tasks, inventory, safety, and more. Computeraided maintenance management systems selection. It is a reusebased approach to defining, implementing and composing loosely coupled independent components into systems. Any filters used to mitigate this need regular service and changes. Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes a common perception of maintenance is that it merely involves fixing defects. Programs decide whether to use offtheshelf software, offtheshelf with alterations, or customdeveloped software. Software components are parts of a system or application. Maintenanceoriented selection of software components. Lep has a substantial investment in hardware, software, network devices, and peripherals.

Hardware vs software difference and comparison diffen. The current popular, technical, and scientific interest in ves is inspired, in large part, by the advent and availability of increasingly powerful and affordable visually oriented, interactive, graphical display. Competency 5knowledge of computer hardware, software, and networking. Computer maintenance checklist for software and hardware. The initial results of this shift are in, and there have been significant lessons learned along the way. Componentbased software engineering is a new, promising, and rapidly growing discipline in both academia and industry. Computer aided software engineering case tools provide some automation and assistance in program design, coding, and testing object oriented software development. However, one study indicated that over 80% of maintenance effort is used for noncorrective actions. It is not surprising that many companies have been disappointed with the results of their implemented cmms. Proper maintenance and support of these assets increases usability and lowers the total cost of ownership to the organization. Safe regressiontest selection technique that, based on the use of a suitable representation, handles the features of the java language.

Computer hardware includes computer hardware includes 3 system unit 3 peripheral devices 3 input devices i. First, lets be clear about what software maintenance is for lientz and swanson surveyed nearly 500 data processing groups, and identified four distinct types of maintenance and the proportion of time typically spent on each. System development life cycle sdlc is a conceptual model which. Software is a program that enables a computer to perform a specific task, as opposed to the physical components of the system hardware. There are number of case tools available to simplify various stages of software development life cycle such as analysis tools, design tools, project management tools, database management tools, documentation tools are to name a few. We must then modify the appropriate components of the application system without adversely affecting the rest of the system. A 2012 survey by service works group among users of facilities management software found that more than 80 percent of respondents said cafm had saved them money and 91 percent said it made facilities management more efficient. Preventive maintenance involves implementing changes to prevent the occurrence of errors. The changes made to the system are to repair reported faults which may be program bugs or specification errors or omissions.

Definition of a software component and its elements. Those who are not too keen about software may pursue this course. What are the different types of computer certification courses. Changing the software to adapt it to changes in its environment e. Analyze the advantages, disadvantages, or both of various data storage technologies. They provided a laptop computer and an rsa token for vpn access to their network and systems in support of the project. Input, storage, processing, control, and output devices. Other examples of system documents which may require update, such as a software operations document eei10 and a users reference guide eem 1, were discussed in section 2. A software system provides a set of features to its users. Particular attention is given to understanding the inherent system inefficiencies that occur due to either overor undersizing system components and. The bonus soa has over bounding on components is that of scalability and greater exposure to third parties. Modification of the old system parts appropriate to the new requirements. Real estate is typically the second biggest cost item for companies after labor, and investments in and operating costs for facilities can total over 30 percent of a companys annual operating costs, according to ibm therefore, it makes sense to manage. Identification of the parts of the old system that are candidates for reuse.

There are number of reasons, why modifications are required, some of them are briefly mentioned below. Get listed in the european maintenance directory by registering your company, your visibility in the european mro services market will increase and new customers will find your company more easily. Students are given knowledge about common hardware components like printer, monitor, mouse etc. Tpm is teambased, proactive maintenance and involves every level and function in the organization, from top executives to the shop floor. There are different categories of software, including system software, utilities and applications software.

Seventyseven percent said their cafm solution gave them the benefits they had thought it would. In addition, the risks which are associated with the project should also be considered. The computer technology that allows us to develop threedimensional virtual environments ves consists of both hardware and software. Selection of components for ots componentbased systems. However, maintaining\ud component based systems cbss introduces new issues. A computer is the most used electronic machine in our lives, and with a lot of media and content available for download online, it can become slow and unresponsive due to data. Examples of support software are compilers and interpreters. People have done component based architectures for a long time that were publicized by network and has process boundaries, soa just forces this approach where components only can be inproc. Computer hardware is virtually useless without computer software. These products free you from having to deal with operation verifications and device design changes that occur every time models are changed, thus contribute to reducing development and. Chapter 9 software maintenance linkedin slideshare. This perception is perpetuated by users submitting. Knowing a system includes being aware of its architecture.

Guidance on successful computer maintenance management. For example, if you go to italy and you do not know italian, you would need an interpreter to translate the english spoken by you into italian. Market conditions policies, which changes over the time, such as taxation and. Guidance on successful computer maintenance management system cmms selection and practices.

We need to understand the software to be modified and identify the parts targeted for maintenance. This section describes the six software maintenance processes as. Computer science cs computer science and its applications. Different types of computer system maintenance your business. May 01, 2020 throughout the semester, the student is also trained in the selection of equipment and peripheral components, and in the use of engineeringdesign and computer aided equipment selection software. Software maintenance reuse oriented model the reuse model has four main steps.

This reduces the complexity of software development. Software maintenance and evolution linkedin slideshare. A good analogy is the way personal computers are built up from a collection of standard components. The physical side of networking involves the actual configuring and connecting of devices such as routers, switches and wireless components that make up the. System software, programming software, and application software. Software is the programs that are needed to accomplish the input, processing, output, storage, and control activities of information systems. Hardware determine the specifications and evaluate alternatives against the requirements. Hotline operation and maintenance including the establishment and operation of a help desk accessible via telephone at all times during normal working hours to answer user questions concerning the use and operation of the system hardware and software components or to provide online trouble shooting assistance to resolve specific user problems. One of the key features of selecting a process model is to understand the project in terms of size, complexity, funds available, and so on. A safe regressiontest selection algorithm selects every test case in the test suite that may reveal a fault in the modified software. The importance of backing up your files by lisa richards, educational outreach writer. Componentoriented technology software architecture. Equipment maintenance and replacement decision making. A cmms is software that helps organizations plan, track, measure, and optimize everything to do with maintenance on a digital platform.

Regression test selection for java software proceedings of. The selection and use of appropriate computer software and hardware to carryout library operation is a challenge. A large variety of computer software is available on the market for maintenance management. Identify the hardware components of a computer system and their functions e. Selection criteria for computer software and hardware. All five components require attention in the design phase. Hardware and software hardware and software computer hardware includes all the electrical, mechanical, and the electronic parts of a computer. This paper examines some of the key attributes for success and failure in otsbased development programs including.

The implementation process contains software preparation and transition activities, such as the conception and creation of the maintenance plan. Study 174 terms computer science flashcards quizlet. The next major area of technology, componentware or component orientation, contains key elements of the solution to todays critical software problems. Maintenanceoriented selection of software components conference paper pdf available in proceedings of the euromicro conference on software maintenance and reengineering, csmr 8. Best computer courses to get a job in 2020 ideal for high.

Case tools are used by software project managers, analysts and engineers to develop software system. Wellmanaged buildings cost less to run, create happier workplaces, and reduce their environmental impact. The final result of an rcm program is the implementation of a specific maintenance strategy on each of the assets of the facility. Because all of the interfaces between components are standardized, it is possible to mix. National academies of sciences, engineering, and medicine. Various other issues related to the project and the. It is an initiative for optimizing the reliability and effectiveness of manufacturing equipment. Central processing unit, monitor, keyboard, mouse, speakers, etc. This reduces the complexity of software development, maintenance, operations and support and. Integration of the modified parts into the new system. Equipment maintenance and replacement decision making processes.

In order to select the appropriate ones for a specific software system, ardimento et al. These definitions demonstrate the important relationship between a software component. Introduces students to the field of computer science and the patterns of thinking that enable them to become intelligent users of software tools in a problemsolving setting. Modification requests are logged and tracked, the impact of proposed changes is determined, code and other software artifacts are modified, testing is conducted, and a new version of the software product is released. Software maintenance sustains the software product throughout its life cycle from development to operations. A software component infrastructure is a set of interacting software components designed to ensure that a software system or sub system constructed using those components and interfaces will sat isfy clearly defined performance specifications. Component based software engineering is a new,\ud promising, and rapidly growing discipline in both\ud academia and industry. This policy is designed to support preventative and ongoing maintenance of lep computer and software assets.