Software engineering question

Maintenance is described as the process in which changes are implemented by either modifying the existing system? Corrective Maintenance: It means the maintenance for correcting the software faults. Adaptive maintenance: It means maintenance for adapting the change in environment. Perfective maintenance: It means modifying or enhancing the system to meet the new requirements. Preventive maintenance: It means changes made to improve future maintainability.

It is system software that provides automated support for software process activities. It contains program used to support software process operations such as Requirement Analysis, System Modeling.

Debugging and Testing. Risk management is the phase of anticipating hurdles in carrying out the original plan and providing alternate methods so that the impact on the anticipated initially outcome is minimal. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services. Please mail your requirement at [email protected] Duration: 1 week to 2 week.

All Interview. Click here for more information 2 What are the elements to be considered in the System Model Construction? System Engineering Model accomplishes the following: Define Processes that serve needs of view Represent behavior of process and assumption Explicitly define Exogenous and Endogenous Input It represents all Linkages that enable an engineer to understand aspect better. Characteristics of the software are: Software is engineered, not manufactured. Software does not wear out.

Most software is custom-built rather than being assembled from components. The various categories of software are: System software Application. Software Embedded software. Web Applications. Artificial Intelligence software. The challenges in the software are: Copying with legacy systems.

Heterogeneity challenge. Delivery times challenge. Click here for more information 9 What are the internal milestones? Developers and Users are not committed,the system fails. It is not Properly Modularized building component may be Problematic. It is not applicable when there is more possibility for Technical Risk. Click here for more information 11 What are the disadvantages of classic life cycle model?

Disadvantages of the classic life cycle model are: Real projects rarely follow the sequential flow. Iteration always occurs and creates a problem. Challenging for the customer to state all requirements. The working version of the program is not available. So the customer must have patience. The merits of the incremental model are: The incremental model can be accepted when there is less number of people include in the project.

Technical risks can be handle with each increment. For a minimal period, at least the core product can be delivered to the user. What programming languages are you familiar with? Describe the last project you worked on including, any obstacles and your contributions to its success.

What are your thoughts on declarative vs. What are your most used design patterns and in what contexts do you use them? Describe a difficult bug you were tasked with fixing in a large application.

How did you debug the issue? How do you explain technical challenges to stakeholders who do not have technical knowledge or backgrounds? What aspect of our company, product or team interests you most? A software engineer should have experience with a wide range of programming languages.

This knowledge is vital to having success in this role. Before your interview, review the job description to see if they mention whether or not you'll need programming language experience for the role. Respond with languages you're familiar with that match the employer's needs. In my previous role, I worked mainly with Java to create applications that worked across multiple platforms.

Using C , I was able to improve my productivity when developing web-based apps and software. A question relating to a specific project will help the interviewer better understand your process and how you handle adversity while working on a specific task.

Start by describing the situation, which allows you to provide all the necessary details about the project on which you were working. Next, discuss the tasks you were assigned to outline your level of responsibility.

When describing the action you took, include the steps you took to achieve a goal and finish with the result of the project. The purpose of the program was to make sure all employees received proper training on certain topics, including customer service, compliance with legal requirements and workplace ethics. I began by researching other similar training systems to figure out what worked and what didn't.

Next, I used Java to code a simple program, which I then used to upload training courses. After testing the simplified program, I added elements to make it more engaging to employees, such as games and interactive quizzes. However, it is useful to consider these general programming styles rather than concrete language directives. While certain approaches may be cumbersome in some, there are many that are not as rigid.

Languages such as JavaScript and Java allow either approach to be taken, even if they lend themselves toward one approach over another. With questions like this, employers want to gauge your familiarity with more abstract concepts in software engineering.

There are many approaches for writing high-quality, maintainable software. Intelligently implementing a programming paradigm requires knowing at least some of the benefits and trade-offs of each. As with any subjective question, there can be strong opinions on the topic. While answers should be stated confidently and with supporting experiences, it is very easy to slip into speaking negatively about your less-favored approach.

The interviewer could have the opposite opinion, creating avoidable tension. Focusing on objective obstacles you face with the approach will avoid the situation and potentially open a friendly dialogue on the pros and cons of each.

It used an imperative, object-oriented approach with many of the custom controls getting much of their functionality from a growing inheritance hierarchy. We took this as an opportunity to shift to a more declarative approach. After the conversion, we saw a dramatic decline in state-related bugs as we were no longer manually updating the interface in response to events. This had previously been the most common type of user-reported bug. We did, however, have to make adjustments in a few key places.

In more dynamic, performance-sensitive portions of the application, the caching mechanisms we implemented to prevent excessive recalculation were becoming overly complex. Answer: SDLC defines a set of guidelines to develop a software product.

The order of the phases mentioned in SDLC may vary depending upon the model chosen to implement. Answer: Many models have been proposed, to carry out the software implementation efficiently.

Answer: This is the common Interview Questions asked in an interview. The project Manager is responsible for driving the software project in a systematic approach. Answer: A scope is utilized to outline the activities performed to design, develop and deliver a software product.

In other words, scope contains information on what project is intended to deliver and what it does not intend to. The scope also outlines information on what software product developed contains and what it does not contain.

Answer: Project Estimation is a process utilized to calculate the development costs such as effort, time, and resources required to deliver a project. Project Estimations are derived through past project experiences or with the help of consulting experts or with the help of standard predefined business formulas. Answer: Functional points are used to measure the size of the software product. In some businesses, scenarios play a key role in tracking and estimating project delivery. Answer: Baselines are put forth by the project managers to track the overall project delivery.

Baselines are usually placed to track the overall tasks listed under a phase or stage. Baselines help project managers to track and monitor the overall execution of a project. Structured design is a conceptualization of problem. It is a programming method, which uses the concepts of a mathematical function. It provides means of computation as mathematical functions, which also produces results irrespective of program state.

Quality Control? Quality Assurance checks if proper process is followed while developing the software while Quality Control deals with maintaining the quality of software product. They are set of automated software application programs, which are used to support, enhance and strengthen the SDLC activities.

There are twenty different socks of two types in a drawer in one dark room. What is the minimum number of socks you need to take to ensure you have a matching pair? Odds never an equal reality. A process is instance of the computer program.

In a single program it is possible to have one or more threads. An exe is an executable program while a DLL is a file that can be loaded and executed by programs dynamically. It is an external code repository for programs. As both are different programs, reuse the same DLL instead of having that code in their file.

It also reduces required storage space. Strong typing checks the types of variables at compile time. On the other hand, weak typing checks the types of the system at run-time. Among them, Strong typing is always preferred because it minimizes the bugs. First, you need to design a system by evaluating data structure. Then you should move on to the code structure needed to support it. Polymorphism is used when there is a need for override functionality when inheriting class.