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Learn about operating system concepts (translated version 7) (1. Introduction-what is the operating system in version 1.1)

Source: Internet
Author: User
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Computer SystemIt consists of four components:Computer hardware,Operating System,System Program,ApplicationsAndUser.

HardwareSuch as the central processing unit (CPU), memory (memory), and input/output device (I/O device ).

Basic purpose of computer systemsIs to execute user programs and solve user problems more easily. To achieve this goal, a computer hardware is constructed. Because hardware alone is not necessarily easy to use, applications have been developed. These applications need some common operations, such as operating I/O devices. These control boxes are a collection of functions for allocating I/O device resources to form a software module: the operating system.

A programmer defines that an operating system is a program (usually called a kernel) that has been running on a computer, while other programs are system programs and applications. This definition is generally used by people.

Learn about operating system concepts (translated version 7) (1. Introduction-what is the operating system in version 1.1)

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