Software Engineering Basic Questions | Codewindow.in

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Software Engineering Basic Questions

The term is made of two words, software and engineering.

Software is more than just a program code. A program is an executable code, which serves some computational purpose. Software is considered to be collection of executable programming code, associated libraries and documentations. Software, when made for a specific requirement is called software product.

Engineering on the other hand, is all about developing products, using well-defined, scientific principles and methods.

Software engineering is an engineering branch associated with development of software product using well-defined scientific principles, methods and procedures. The outcome of software engineering is an efficient and reliable software product.

Types of Software Engineering

There are different types of software engineering that include the design, the development, and the maintenance of software. Typically, there are people who specialize in various pieces of the process, but some companies will use the same person or multiple people who work on different parts of the development.

Problems sometimes arise when there isn’t a set way to develop software or when multiple people are working on the same piece of software without communication. All software needs to be appropriately (and continuously) vetted to ensure that is works correctly.

There are a few different types of software engineering that need to be present:

Operational Software Engineering: Software engineering on the operational level places a focus on how the software being built will interact with and within the system, whether it is working within the budget, the usability for your team and the customers, the functionality independently and within the system, the reliability, and the risk it poses.

Transitional Software Engineering: This facet of software engineering focuses on how the software reacts when it is shifted from one environment to another. Software engineering, in this case, focuses on the scalability or flexibility of the software.

Software Engineering Maintenance: Recurrent software engineering concentrates on how the software functions within the existing system when it is included and as it changes over time – this is an especially important type of software engineering as parts of your system change and meld to work together.

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Why is Software Engineering required?

Software Engineering is required due to the following reasons:

To manage Large software

For more Scalability

Cost Management

To manage the dynamic nature of software

For better quality Management

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Why Software Engineering is Popular?

Here are important reasons behind the popularity of software engineering:

Large software – In our real life, it is quite more comfortable to build a wall than a house or building. In the same manner, as the size of the software becomes large, software engineering helps you to build software.

Scalability- If the software development process were based on scientific and engineering concepts, it is easier to re-create new software to scale an existing one.

Adaptability: Whenever the software process was based on scientific and engineering, it is easy to re-create new software with the help of software engineering.

Cost- Hardware industry has shown its skills and huge manufacturing has lower the cost of the computer and electronic hardware.

Dynamic Nature– Always growing and adapting nature of the software. It depends on the environment in which the user works.

Quality Management: Offers better method of software development to provide quality software products.

Challenges of Software Engineering

Here are some critical challenges faced by software engineers:

In safety-critical areas such as space, aviation, nuclear power plants, etc. the cost of software failure can be massive because lives are at risk.

Increased market demands for fast turnaround time.

Dealing with the increased complexity of software need for new applications.

The diversity of software systems should be communicating with each other.

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Attributes for Software Products

However, the relative importance of these characteristics varies from one software system to another.

Product Characteristics and Description

Maintainability – The software should evolve to meet the changing demands of the clients.

Dependability – Dependability includes various characteristics. Dependable software should never cause any physical or economic damage at the time of system failure.

Efficiency – The software application should overuse system resources like memory and processor cycle.

Usability – The software application should have specific UI and documentation.

Optimizing the above attribute is very challenging. For example, offering a better UI can reduce system efficiency.

Characteristics of Good Software

Any software should be judged by what it offers and what are the methods which help you to use it.

Every software must satisfy the following attributes:

Operational

Transitional

Maintenance

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Importance of Software Engineering

The importance of Software engineering is as follows:

Reduces complexity: Big software is always complicated and challenging to progress. Software engineering has a great solution to reduce the complication of any project. Software engineering divides big problems into various small issues. And then start solving each small issue one by one. All these small problems are solved independently to each other.

To minimize software cost: Software needs a lot of hardwork and software engineers are highly paid experts. A lot of manpower is required to develop software with a large number of codes. But in software engineering, programmers project everything and decrease all those things that are not needed. In turn, the cost for software productions becomes less as compared to any software that does not use software engineering method.

To decrease time: Anything that is not made according to the project always wastes time. And if you are making great software, then you may need to run many codes to get the definitive running code. This is a very time-consuming procedure, and if it is not well handled, then this can take a lot of time. So if you are making your software according to the software engineering method, then it will decrease a lot of time.

Handling big projects: Big projects are not done in a couple of days, and they need lots of patience, planning, and management. And to invest six and seven months of any company, it requires heaps of planning, direction, testing, and maintenance. No one can say that he has given four months of a company to the task, and the project is still in its first stage. Because the company has provided many resources to the plan and it should be completed. So to handle a big project without any problem, the company has to go for a software engineering method.

Reliable software: Software should be secure, means if you have delivered the software, then it should work for at least its given time or subscription. And if any bugs come in the software, the company is responsible for solving all these bugs. Because in software engineering, testing and maintenance are given, so there is no worry of its reliability.

Effectiveness: Effectiveness comes if anything has made according to the standards. Software standards are the big target of companies to make it more effective. So Software becomes more effective in the act with the help of software engineering.

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