What is Software Engineering? Definition, Basics, Characteristics

What is Software Engineering
What is Software Engineering

What is Software Engineering?

Software engineering is a concept in and of itself, however to better understand it, you need to understand what each piece of the term implies before you can completely understand how they work together. It tends to be hard to understand, even though it appears to be direct. That is because the pieces are more complicated than many believe- and working with software engineering for an application is difficult and time-consuming.

Software has two parts: software and engineering..

Software is a collection of codes, documents, and triggers that does a particular job and fills a particular necessity.

Engineering is the advancement of products using best practices, principles, and methods.

Software engineering is defined as a process of analyzing user necessities and afterward designing, building, and testing software application which will satisfy those prerequisites.

Let’s look at the various definitions of software engineering:

• IEEE, in its standard 610.12-1990, defines software engineering as the application of a systematic, disciplined, which is a processable methodology for the development, operation, and maintenance of software.

• Fritz Bauer defined it as ‘the establishment and used standard engineering principles. It assists you to obtain, economically, software which is reliable and works proficiently on the real machines’.

• Boehm defines software engineering, which includes, ‘the practical application of scientific knowledge to the creative design and building of computer programs. It likewise incorporates associated documentation required for developing, operator, and maintaining them.’

Why Software Engineering? Software Crisis and its Solution:

What was the Software Crisis?

• It was in the late 1960s when numerous software projects failed.

• Many software became over spending plan. Output was an unreliable software which is costly to keep up.

• Larger software was difficult and very costly to keep up.

• Lots of software not ready to satisfy the growing necessities of the customer.

• Complexities of software projects increased whenever its hardware ability increased.

• Demand for new software increased quicker compared with the ability with create generate software.

All the above issues lead to ‘Software Crisis.’

The Solution

Solution was to the issue was changing unorganized coding effort into a software engineering discipline. These engineering models assisted companies to streamline operations and deliver software meeting customer prerequisites.

• The late 1970s saw the widespread uses of software engineering principles.

• In the 1980s saw the automation of software engineering process and development of (CASE) Computer-Aided Software Engineering.

• The 1990s have seen an increased accentuation on the ‘management’ parts of projects standard of value and processes just like ISO 9001

Why Software Engineering is Popular?

Here are significant purposes for the popularity of software engineering:

• Large software– In our real life, it is very more comfortable to build a wall than a house or building. In a similar way, as the size of the software turns out to be huge, software engineering assists you to build software.

• Scalability-If the software development process were based on scientific and engineering concepts, it is simpler to re-create new software to scale a current one.

• Adaptability: Whenever the software process was based on scientific and engineering, it is not difficult to re-create new software with the assistance of software engineering.

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

• Dynamic Nature-Always developing and adjusting nature of the software. It relies upon the environment wherein the user works.

• Quality Management: Offers better strategy for software development to give quality software products.

Relationship of Software Engineering with Other Disciplines

Here, how computer software engineering identified with different disciplines:

• Computer Science: Gives the scientific foundation for the software as electrical engineering essentially relies upon physics.

• Management Science: Software engineering is work serious work which demands both technical and managerial control. Thusly, it is widely used in management science.

• Economics: In this area, software_engineering helps you in resource estimation and cost control. computing system should be developed, and data ought to be kept up consistently inside a given budget.

• System Engineering: Most software is a segment of a lot bigger framework. For instance, the software in an Industry observing system or the flight software on a plane. software_engineering strategies ought to be applied to the study of this sort of systems.

Challenges of Software Engineering

Here are some basic challenges looked by software_engineering:

• In safety-critical areas like space, aviation, nuclear power plant, and so on the cost of software failure can be huge because lives are in danger.

• Increased market demands for quick turnaround time.

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

• The variety of software systems ought to communicating with each other.

Attributes for Software Products

The qualities of any software product incorporate highlights which are shown by the product when it is installed and put in use.

They are not the services which are given by the product. Instead, they have related to the products dynamic conduct and the use made of the product.

Examples of these attributes are:

Efficiency, reliability, robustness, maintainability, etc. 

However, the overall significance of these qualities varies varies from one software system to another.

Product CharacteristicsDescription
MaintainabilityThe software should evolve to meet the changing demands of the clients.
DependabilityDependability includes various characteristics. Dependable software should never cause any physical or economic damage at the time of system failure.
EfficiencyThe software application should overuse system resources like memory and processor cycle.
UsabilityThe software application should have specific UI and documentation.

Optimizing the above attribute is extremely difficult. For instance, offering a superior UI can diminish framework proficiency.

Characteristics of Good Software

Any software ought to be decided by what it offers and what are the strategies which assist you to use it.

Each software should satisfy the accompanying attributes:

• Operational

• Transitional

• Maintenance

Here are some significant characteristics of good software development by software professionals


This trademark let us think about how well programming functions in the tasks which can be estimated on:

• Budget

• Efficiency

• Usability

• Dependability

• Correctness

• Functionality

• Safety

• Security


This is a fundamental aspect when the product is moved starting with one stage then onto the next:

• Interoperability

• Reusability

• Portability

• Adaptability


This aspect discusses how well software has the capabilities to adjust in the rapidly changing environment:

• Flexibility

• Maintainability

• Modularity

• Scalability


• Software_engineering is a process of analyzing user prerequisites and afterward designing, building, and testing software application which will satisfy that necessities

• Important explanations behind using software_engineering are: 1) Large software , 2) Scalability 3) Adaptability 4) Cost and 5) Dynamic Nature.

• In late 1960s numerous software becomes over budget. Consequently it offers unreliable software which is costly to keep up.

• The late 1970s saw the far reaching uses of software_engineering principles.

• Software_engineering concept 1) Computer Science 2) Management Science 3) System engineering and 4) Economics

• Increased market demands for quick turnaround time is the biggest challenges of software_engineering field.

• 1)Maintainability, 2) Dependability, 3) Efficiency and, 4) Usability are the most important attribute of software products.

• Three most significant characteristics of good software are 1) Operational 2)Transitional 3)Maintenance.


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Thanks for reading! We hope you found this tutorial helpful and we would love to hear your feedback in the Comments section below. And show us what you’ve learned by sharing your projects with us.

salman khan

Written by worldofitech

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