Which software is essential in a computer system?

The essential software in a computer system is "system software". System software is software that supports the normal operation of a computer system and enables user operations. System software allows computer users and other software to treat the computer as a whole without taking into account how each underlying hardware works.

The operating environment of this article: Windows 7 system, Dell G3 computer.

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The essential software in a computer system is "system software".

System software refers to a system that controls and coordinates computers and external devices, and supports the development and operation of application software. It is a collection of various programs that do not require user intervention. Its main function is to schedule, monitor and maintain computers. System; responsible for managing various independent hardware in a computer system so that they can work in harmony. System software allows computer users and other software to treat the computer as a whole without having to consider how the underlying hardware works.

Although various application software complete different tasks, they all require some common basic operations, such as obtaining data from input devices, sending data to output devices, and storing and writing data externally. Reading data from external storage, general management of data, etc.

These basic tasks are also completed by a series of instructions. People organize these instructions together to form specialized software to support the operation of application software. This software is called system software.

Generally speaking, system software includes the operating system and a series of basic tools (such as compilers, database management, memory formatting, file system management, user authentication, driver management, network connection, etc. ), is that part of the software that supports the normal operation of the computer system and enables user operations.

While the system software provides the above basic functions for application software, it also manages the hardware so that different application software running on a computer at the same time or one after another can use hardware equipment in an orderly manner.

For example, two application software have to store and modify data on the hard disk. If there is no coordination and management organization to demarcate areas for them, it will inevitably lead to a situation of mutual destruction of each other's data. Therefore, system software is essential software in a computer system.

System software is usually included with the computer system when it is purchased, and can also be installed separately as needed.

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