Application software

Application programs (APs) are programs that are required to perform specific tasks and are designed for direct interaction with the user.

As a rule, programs of this type are not able to interact with computer hardware and other software through the OS. Another name for an application program is an auxiliary program.

Application software is programs that have been created to facilitate the work of users through a computer that performs specific tasks. As an example, PPO is software for creating mailing lists of orders or processing orders.

Application programmers are involved in writing software. Four key groups of PP can be distinguished:

  • individual;
  • libraries;
  • packages;
  • integrated systems.

Separate application program

Programs of this type are created in a programming language in order to solve certain applied problems. As an example, there are programs that find solutions to a system of linear equations and calculate matrix eigenvalues. PP can be a set of modules that solve specific problems. This process can be divided into several parts and a special software module will deal with the solution of each of the tasks.

PP Library

This library is a set of separate programs, each of which is assigned to perform a specific task or auxiliary functions (manage memory, exchange data with external devices, and so on). Such libraries provide the ability to solve computational problems with extreme efficiency, and therefore they are intensively used in solving engineering and scientific problems.

The areas of use of the library are:

  • wide application (they are necessary for solving problems of certain subject areas);
  • specialized libraries (needed to solve highly specialized tasks).

The characteristic features of libraries include the absence of a problem-oriented input language and advanced system support. As a rule, they are needed to solve typical goals from a particular subject area, without having the resources to solve much more specific tasks. First of all, this concerns the programs of widely used libraries aimed at solving problems from a wide variety of subject areas.

Application packages

PPP are an independent type of PPO. In essence, this is a set of structurally compatible data that also has common control methods and is necessary for solving problems by a certain number of users.

The salient features of the PPP include the following:

  • SP packages are oriented not to a specific task, but to the whole class, which also includes specific subject tasks.
  • The PPP contains special language tools that can implement a convenient workflow for users.
  • There are special means of the system that implement the working discipline accepted in the subject area.

Integrated software system

This system means a software package, whose elements are various packages and software libraries. As an example, we can cite systems with an automated design process (CAD), which include many packages for certain tasks.

It is important to know that there are no clear boundaries between the above types of PPO. As an example, a single program in the form of a set of modules can simultaneously be both a library and a software package, even in the absence of appropriate system and language tools.

Where is used?

PPO has found its application in many areas of life. In particular, the following can be noted:

Software for organizations and enterprises used to manage finances, to maintain relationships with consumers, as well as in the supply chain. Such software also includes departmental programs of small enterprises and individual divisions of large entities. Examples include transportation cost management software and IT help desk.
Software required to provide users with access to computer devices.

Infrastructure software of an organizationally separate entity, with the help of which common capabilities are implemented in order to support the company’s software. These can be database management systems, mail servers, security and network management programs.

Information worker software that provides users with programs to create and manage information (documentation, resources, time management). Examples include word processors, spreadsheets, e-mail clients, user information systems, and media editors.

Content access software used solely for viewing or accessing resources or programs without the ability to edit them (sometimes this feature may be present). Such programs are intended for users of digital content. These include media players, Internet browsers, image viewers, and more.

Educational software is necessary to perform the functions of education, it is characterized by clear requirements for testing user knowledge and evaluating the process of learning the material. Now it includes the functions of multilateral cooperation and joint application with many programs of a similar focus.

Simulation software is needed to simulate physical or abstract systems for research, entertainment or educational purposes.

Tool software in the media field, which is intended for use by users who create print or electronic media resources for personal use or for other purposes: commercial use or educational purposes by others. Such software includes programs for computer layout, printing processing, processing of multimedia files, HTML editors, computer animation, sound data, video and much more.

PCBs for design and engineering are used extensively in both software and hardware development. These varieties include the CAD systems already mentioned in the article, as well as programs for editing, engineering, language compilers for writing programs, and so on.

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