What should be included in a complete computer system?

A complete computer system should include two parts: a hardware system and a software system. The hardware system refers to the physical equipment that constitutes the computer, that is, the physical components composed of mechanical, optical, electrical, and magnetic devices with computing, control, storage, input, and output functions. Software system refers to a computer software system composed of system software, support software and application software. It is the software part of the computer system.

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

A complete computer system should include hardware system and software system.

Hardware system

#Hardware system refers to the physical equipment that constitutes a computer, which is composed of mechanical, optical, electrical, and magnetic devices Physical components with computing, control, storage, input and output functions. Such as CPU, memory, floppy disk drive, hard disk drive, optical disk drive, motherboard, various cards and the host computer, monitor, printer, plotter, modem, etc. in the complete machine. The complete machine hardware is also called "hard device". With the complexity of electronic systems, system design has become an important discipline, and the traditional trial and error method has become increasingly inappropriate for the development of the times. The rapidly developing software and hardware co-design technology has attracted more and more attention. It is guided by the system target requirements, through comprehensive analysis of the system software and hardware functions and existing resources, to maximize the concurrency between the system software and hardware, and to coordinate the design of the software and hardware architecture so that the system can work at its best state.

Software system

Software system refers to a computer software system composed of system software, support software and application software. It is the part of the computer system that is composed of software.

• System software consists of operating system, utility programs, compiler, etc. The operating system implements management and control of various software and hardware resources. Utility programs are designed for user convenience, such as text editing, etc. The function of a compiler is to translate programs written by users in assembly language or some high-level language into machine language programs that are executable by the machine.

• Supporting software includes interface software, tool software, environment database, etc. It can support the computer environment and provide software development tools. Support software can also be considered as part of the system software.

• Application software is a special program written by users according to their own needs. It runs with the help of system software and support software and is the outermost layer of the software system.

Application software (Application) corresponds to system software and is a collection of various programming languages ​​that users can use, as well as applications compiled in various programming languages. Divided into application software packages and user programs. An application software package is a collection of programs designed to use computers to solve certain types of problems, mostly for users to use. Application software is that part of software provided to meet the application needs of users in different fields and problems. It can broaden the application fields of computer systems and amplify the functions of hardware. Application software is directly oriented to the needs of users. They can directly help users improve the quality and efficiency of their work, and even help users solve certain problems. Application software is generally divided into two categories: one is practical software developed for specific needs, such as accounting software, setting systems, project budget software and educational assistance software, etc.; the other is provided to facilitate users to use computers. A tool software, such as Word for word processing, AutoCAD for auxiliary design, and Rising anti-virus software for system maintenance.

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