Understanding the Different Types of Software

Computer software is an essential component of any computer system, together with hardware and humanware components. It is divided into two main categories: application software and system software. Application software meets a specific need or performs tasks, while system software is designed to run a computer's hardware and provide a platform for applications to run on it. In addition to these two main types, there are four other types of software: malicious, programming, open source, and driver software.

The four types of software maintenance are corrective, preventive, perfective, and adaptive. Corrective maintenance is necessary when something goes wrong in a software, including faults and errors. Preventive maintenance points to the future so that your software can continue to work as desired for as long as possible. Perfective maintenance adjusts the software by adding new functions as needed and eliminating functions that are irrelevant or not effective in the given software.

Adaptive maintenance maintains the relevance of the software as the market and user needs change. High-level programming software is more complex than low-level programming software. Programming software provides the programming tools needed by software developers, while middleware is located between system software and applications. Driver software operates computer devices and peripherals.

The software maintenance process involves several techniques that may change depending on the type of maintenance and the current maintenance plan. During this time, although different types of programming software were being created, they were generally not commercially available.

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