MI0033- SOFTWARE ENGINEERING

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ASSIGNMENT

 

 

 

Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.

 

 

Q. 1 Highlight the reasons for measuring a software product. Also discuss the classification of process metrics measurement.

 

Ans : Reasons for measuring a software product :

 

Measurements can be used by software engineers to help assessing the quality of technical work products and to assist in tactical decisions during a project. The very nature of software engineering makes measurement a necessity, because more rigorous methods for production planning, monitoring, and control are needed, otherwise the amount of risk of software projects may become excessive, and software production may easily get out of industrial control. This would produce obvious damages to both software producers (e.g., higher costs, schedule slippage) and users (e.g., poor quality products, late product delivery, high

 

 

               

Q.2 The Elite info systems has gone through three phases of application change management. They are informal, production promotion and software configuration management. In earlier informal phase the software engineer who developed the code has to place it into production. Due to poor documentation, there was difficulty in understanding and differentiating between the new code and existing code. Then elite info systems adopted change management process. The first ERP was implemented in the company. The company also segregated the duties of the software professional in the company based on the area of specialization and domain knowledge. According to this phase the developer who develops the code could not be held responsible for placing into production. Rather if the developer who wants to change the code has to submit the request through web based application where the changes are tracked and updated simultaneously. Automated workflow was established so that requests could be routed to the right channel for approval. The SCM was introduced into their development life cycle and this brought about a change in the software production life cycle. The SCM process gave segregation of duties which diminished the damage that could be caused by incompetence. Therefore in software configuration management phase, segregation of duties ensured security and reduced the risk. The various responsibilities of configuration migration, enhancement of quality control and analysis and coordination with the change management group. The tools used in the systems is application- change tracking and development tool. They used this software to govern and archive the various software versions. It stores all the code in the archiving version manager, which enhance quality and simplifies troubleshooting. The process adopted helps to improve the quality by managing change and predicting its effect. Consistent governing rules were enforced throughout the deployment process. It provide clear accountability which automated audits trails identified the required approvals at each phase. Early intervention results in more repeatable, faster deployments with fewer errors. Due to the deployment of this process, the three main goals of change management were achieved which are; development of quality, reduction by risk by helping ensure that processes are repeatable and predictable, and reduction of development costs. The following are the benefits of the process Increased developer productivity Improved IT service to internal clients Enhanced scalability Employee acceptance Therefore Elite Info Systems concludes that SCM is to be made as an integral part of their production process. The company regarded SCM not as a luxury, but as necessity.

 

a. Which process did Elite Info Systems deployed to improve the quality of change? Why?

 

 

Ans : Elite info system deployed Software configuration management process (SCM). This system was deployed because due to the deployment of this process, the three main goals of change management were achieved which are;

1. development of quality,

2. reduction by risk by helping ensure that

 

 

b. What is predictive reliability? How SCM will help in prediction?

 

Ans :  Predictive reliability :

 

Software Reliability is the probability of failure-free software operation for a specified period of time in a specified environment. Software Reliability is also an important factor affecting system reliability. It differs from hardware reliability in that it reflects the design perfection, rather than manufacturing perfection. The high complexity of software is the major contributing factor of Software Reliability problems. Software Reliability is not a function of time – although researchers have come up with models relating the

 

Q. 3 With the program module diagram explain bottom-up integration. Give example

 

Ans :  Integration testing is the phase in software testing in which individual software modules are combined and tested as a group. It occurs after unit testing phase and before system testing. In its simplest form, two units that have already been tested are combined into a component and the interface between them is tested. A component, in this sense, refers to an integrated aggregate of more than one unit.

 

 

 

Q.4 Mr. Shyam Kumar is the Assistant project manager in a software company. The company has bagged a contract for developing software for the credit card division of a private bank. Mr. Shyam Kumar and his team have decided to take up the requirement analysis phase of software engineering. What are the tasks or operations that Mr. Shyam Kumar and his team have to take up in order to complete the software requirement analysis phase?

 

Ans : software requirement analysis phase:

 

1. The members of a software development team must have a clear understanding of what the software product must do.

 

2. The first step is to perform a thorough analysis of the client’s current situation, careful to define the situation as precisely as possible.

 

 

Q.5 Consider your friend has opened a small IT hub or internet café in your city. List the steps that you implement the key practices that explain the infrastructure and performances of his hub.

 

Ans :  Steps explaining the infrastructure and performances of cafe / hub :

 

1. Formulate an idea of how you want to run your Internet café and write it down, the different amenities and services you want to offer and the audience you wish to cater to.

 

2. Research the feasibility of your plan in the area you wish to open your Internet café. Look specifically at the demand for an Internet café and competitors in the area and estimate how much money you will require as an initial investment.

 

Q.6 Write Short notes on

 

a. Prototyping

 

Ans : Software prototyping, refers to the activity of creating prototypes of software applications, i.e., incomplete versions of the software program being developed. It is an activity that can occur in software development and is

 

 

b. Quality Control (QC)

 

Ans : Quality Control:

 

“Variation control may be equated to quality control. But how do we achieve quality control# Quality control involves the series of inspections, reviews, and tests used throughout the software process to ensure each work

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