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Application software can also be seen as being either horizontal or vertical. [12] [13] Horizontal applications are more popular and widespread, because they are general purpose, for example word processors or databases.
Application software is the general designation of computer programs for performing tasks. Application software may be general-purpose (word processing, web browsers, etc.) or have a specific purpose (accounting, truck scheduling, etc.). Application software contrasts with system software.
The main functional categories are application software and system software. System software includes the operating system, which couples computer hardware with application software. [122] The purpose of the operating system is to provide an environment where application software executes in a convenient and efficient manner. [122] Both ...
A diagram showing how the user interacts with application software on a typical desktop computer. The application software layer interfaces with the operating system, which in turn communicates with the hardware. The arrows indicate information flow. There are two main types of software:
In computer software, a general-purpose programming language (GPL) is a programming language for building software in a wide variety of application domains. Conversely, a domain-specific programming language (DSL) is used within a specific area. For example, Python is a GPL, while SQL is a DSL for querying relational databases.
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General-purpose programming languages tend to focus on generic features to allow programs written in the language to use the same code on different platforms. Examples of such languages include ALGOL and Pascal. This generic quality typically comes at the cost of denying direct access to the machine's internal workings, and this often has ...
Software requires the concept of a general-purpose processor - what is now described as a Turing machine - as well as computer memory in which reusable sets of routines and mathematical functions comprising programs can be stored, started, and stopped individually, and only appears recently in human history.