Types of Software | Software Development Life Cycle (SDLC)

Published on 29-Jun-2022


Software is a general term used to relate to operations, scripts, and programs that run on a device. It can be allowed as the variable part of a computer, while tackle is the incommutable part.

The two main orders of software are- Operation software and System software. 

An operation is software that fulfills a specific need or performs tasks. System software is used to conduct a computer's functions and provides a platform to run on.

Other types of software include programming software, which provides the programming tools software inventors need; middleware, which sits between system software and operations; and motorist software, which operates computer bias and peripherals. 

Beforehand software was written for specific computers and vended with the tackle it ran on. In the 1980s, the software began to be vended on floppy disks, and latterly on CDs and DVDs. Moment, leading software is bought and directly downloaded over the internet. The software can be planted on seller websites or operation service provider websites.

Types of Software:

Among the colorful orders of software, the most common types include the following:

Operation Software:

Operation software is a computer software package that performs a specific function for a stoner, or in some cases, for another operation. An operation can be tone-contained or a group of programs that run the process for the stoner. Exemplifications of ultramodern operations include office suites, plates software, databases and database operation programs, cyber web surfers, word processors, software development tools, image editors, and communication platforms. 

System Software

These software programs are designed to run a computer's operation programs and tackle. System software coordinates the conditioning and functions of the tackle and software. In addition, it controls the operations of the computer tackle and provides a terrain or platform for all the other types of software to work in. The Zilches is the stylish illustration of system software; it manages all the other computer programs. Other exemplifications of system software include firmware, computer language translators, and system serviceability. 

Motorist Software

Also known as device motorists, this software is frequently considered a type of system software. Device motorists control the bias and peripherals connected to a computer, enabling them to perform their specific tasks. Every device that's connected to a computer needs at least one device motorist to serve. Exemplifications include software that comes with any nonstandard tackle, including particular game regulators and the software that enables standard tackle, similar to USB storehouse bias, keyboards, headphones, and printers.


The phrase "middleware" refers to software that acts as a bridge between operation and system software or between two types of operation software. For illustration, middleware enables Microsoft Windows to talk to Excel and Word. It's also used to shoot a remote work request from an operation in a computer with one kind of OS to a process in a computer with different Zilches. It also enables newer operations to work with heritage bones. 

Programming software

Computer programmers use programming software to write laws. Programming software and tools enable inventors to develop, write, test, and remedy other software programs. Exemplifications of programming software include assemblers, compilers, debuggers, and practitioners.

Software Engineering

Software engineering is a detailed study of engineering to the design, development, and conservation of software. To address the problem of low-quality software systems, software engineering was created. When a software project's timeframes, budgets, and quality standards are all exceeded, problems develop. It ensures that the operation is erected constantly, rightly, on time and budget, and within conditions. The need for software engineering arose in response to the rapid change in stoner conditions and terrain on which the operation is meant to operate.

Description A software product is judged by how fluently it can be used by the end- stoner and the features it offers to the stoner.

An operation must score in the following areas-

1. Functional

This tells how the software works on operations like budget, usability, effectiveness, correctness, functionality, responsibility, security, and safety.

2. Transitional

When an operation is moved from one platform to another, transitional is critical. This is where mobility, reusability, and stiffness come into play.

3. Conservation

This specifies how good software works in the changing terrain. Modularity, maintainability, inflexibility, and scalability come in the conservation part.

Software Development Life Cycle (SDLC)

The software development life cycle (SDLC) is a rigorous approach for constructing software that ensures its quality and correctness. SDLC process aims to produce high-quality software that meets client prospects. The program should be finalized within the time and budget constraints. The Life Cycle is a detailed framework that shows how to plan, develop, and maintain software. Each stage of the life cycle has its own set of processes and deliverables that feed into the next. SDLC stands for Software Development Life Cycle and is also appertained to as the Application Development life- cycle.

The importance of SDLC in the development of a software system: 

-It serves as a foundation for design planning, scheduling, and cost. It establishes a framework for a standard set of conditioning and deliverables.

- It's a medium for design shadowing and control. 

-Increases visibility of design planning to all involved stakeholders of the development process. 

-Increased and enhanced development speed.

- Advanced customer relations. 

- Helps you to drop the design threat and design operation plan above.

Software Development Life Cycle Phases:

Phase 1: Demand collection and analysis

Phase 2: A feasibility study

Phase 3: Design

Phase 4: Coding

Phase 5: Testing

Phase 6: Installation/Deployment

Phase 7: Maintenance


Phase 1- Demand collection and analysis :

The demand is the first stage in the Software Development Life Cycle process. The elderly platoon members conduct it. Planning for the quality assurance conditions and recognization of the pitfalls involved is also done at this stage. 

This stage gives a clear picture of the entire design's compass and directives that started the procedure. Conditions Gathering stage needs brigades to get clear and precise conditions.

Phase 2 -Feasibility study :

Once the demand analysis phase is completed, the coming SDLC step is defining and documenting software needs. The 'Software Requirement Specification' document, also known as the 'SRS' document, was used to carry out this process. It includes everything which should be designed and developed during the design life cycle.

Phase 3- Design:

The system and software design documents are created in the third phase based on the requirement definition document. This helps define the overall system armature by the first phase's specifications. This design phase serves as input for the coming phase of the model.

Phase 4 -Coding: 

 Once the system design phase is over, the coming stage is rendered. In this phase, inventors start to make the entire system by writing laws using the chosen programming language. In the coding phase, tasks are divided into units or modules and assigned to the colorful inventors. It's the most extended phase of the Software Development Life Cycle process. 

In this phase, Inventor needs to follow specific predefined coding guidelines. They also need to use programming tools like compilers, practitioners, debuggers to induce and apply the law.

Phase 5- Testing :

Once the software is complete and it's stationed in the testing terrain. The testing platoon starts testing the functionality of the entire system. This is done to corroborate that the whole operation works according to the client's demand.

During this phase, the QA and testing platoon may find some bugs/ blights that they communicate to inventors. The development platoon fixes the bug and shoots back to QA for are-test. This procedure is repeated until the program is bug-free, stable, and meets the system's business needs.

Phase 6 -Installation/ Deployment :

 Once the software testing phase is over and no bugs or crimes are left in the system, the final deployment starts. The absolute software is released and reviewed for any deployment difficulties based on the design director's feedback.

 Phase 7- Maintenance: 

Once the system is stationed and guests start using the advanced design, the following three conditioning do.

Bug fixing – bugs are reported because of some scripts which aren't tested at all.

Upgrade – Elevation the operation to the newer performances of the software.      

Improvement – Adding some new features into the being software 

The primary goal of this SDLC phase is to ensure that criteria are met and the system continues to function correctly.

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 Tag  # Types of software, Software Development Life Cycle, Application software

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