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Application software is any computer program that is intended for end-user use – not operating, administering or programming the computer. An application (app, application program, software application) is any program that can be categorized as application software.
A kernel is the core part of the operating system that defines an application programming interface for applications programs (including some system software) and an interface to device drivers. Device drivers and firmware , including computer BIOS or UEFI , provide basic functionality to operate and control the hardware connected to or built ...
A software system is a system of intercommunicating components based on software forming part of a computer system (a combination of hardware and software). It "consists of a number of separate programs, configuration files, which are used to set up these programs, system documentation, which describes the structure of the system, and user documentation, which explains how to use the system".
Operating systems are "the layer of software that manages a computer's resources for its users and their applications". [9] There are three main purposes that an operating system fulfills: [10] Allocating resources between different applications, deciding when they will receive central processing unit (CPU) time or space in memory. [10]
Executing an application program typically involves the creation of a process by the operating system kernel, which assigns memory space and other resources, establishes a priority for the process in multi-tasking systems, loads program binary code into memory, and initiates execution of the application program, which then interacts with the ...
While ES are generally packaged enterprise application software (PEAS) systems, [6] they can also be bespoke, custom-developed systems created to support a specific organization's needs. Types of enterprise system include: enterprise resources planning (ERP) systems, enterprise planning systems, and; customer relationship management software.
IaaS requires time and expertise to make use of the infrastructure in the form of operating systems and applications. [4] Platform as a service (PaaS) includes the operating system and middleware, but not the applications. [5] [6] SaaS providers typically use PaaS or IaaS services to run their applications. [5]
Applications architecture strategy involves ensuring the applications and the integration align with the growth strategy of the organization. If an organization is a manufacturing organization with fast growth plans through acquisitions, the applications architecture should be nimble enough to encompass inherited legacy systems as well as other large competing systems.