One thing that is constant in Software Industry today is the “Change“. Change is one of the most critical aspects of Software Development and Management. Every day there are new tools and approaches are coming. In Industry, new technologies are announced almost every day today. This has forced the software industry to continuously look for new approaches to software design and development, and they are becoming more and more critical in view of the increasing complexity of software systems as well as the highly competitive nature of the industry.
These changes have created a situation crisis within the software industry today.
Many Software products are either not finished, or not used, or else are delivered with major errors.
Some studies and other reports on software implementation suggest that software products should be evaluated carefully for their quality before they are delivered and implemented. Some of the major issues that must be considered for the critical software industry are:
- Correctness
- Maintainability
- Reusability
- Portability
- Security
- Integrity
- User Friendliness
Let’s Discuss in details these terms:
1. Correctness
Software is either correct or incorrect in design to a specification in contrast to hardware which is reliable to a certain level to a correct design. Software of any size or complexity can only be tested partially, and typically a very small fraction of possible inputs are actually tested.
Certifying the correctness of such software requires two conditions:
(1) statistical testing with inputs characteristic of actual usage, and
(2) no failures in the testing.
If any failures arise in testing or subsequent usage, the software is incorrect, and the certification is invalid. If such failures are corrected, the certification process can be restarted, with no use of the previous testing.
2. Maintainability
Maintainability means “The ease with which a software system or component can be modified to correct faults, improve performance or other attributes, or adapt to a changed environment.”
Difficult-to-maintain source code is a big problem in software. The software will only be useful and purposeful if it passes the test of time and is functional for as long as the business decides. Software maintenance is the most expensive phase of development, typically consuming more than half of development budgets. It is important to plan maintenance into the development lifecycle so you can maintain software efficiently.
3. Reusability
Reusability is the process of developing a software from existing software components, instead of developing an entire software from scratch. In other words, software reusability is developing a brand new software from an existing one. The idea behind building reusable components is to design interchangeable parts from other industries to the software field of construction.
4. Portability
Portability, in relation to software, is a measure of how easily an application can be transferred from one computer environment to another. The application should be designed in such a way that it is bound to be moved from one hardware platform, operating system, or web browser to another.
5. Security
Software security is the application of techniques that assess, mitigate, and protect software systems from vulnerabilities. These techniques ensure that software continues to function and are safe from attacks. Developing secure software involves considering security at every stage of the life cycle.
Software security matters because so many critical functions are completely dependent on software. This makes software a very high-value target for attackers, whose motives may be malicious, criminal, adversarial, competitive, or terrorist in nature.
6. Software Integrity
Here Integrity refers to methods of ensuring that data is real, accurate and safeguarded from unauthorized user modification. Integrity is important as it demonstrates the safety, security, and maintainability of your code, ensuring that code has high integrity is especially important for software that needs to comply with coding standards and industry regulations.
7. User Friendliness
Here User–friendly describes software interface that is easy to use. It is “friendly” to the user, meaning it is not difficult to learn or understand. With a user-friendly interface and easy navigation, the user decreases search time and increases satisfaction, fulfilling his needs in a fast and efficient way. In turn, the brand increases sales volume improves customer loyalty, and minimizes costs and resources.
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