The shift key on the microcomputer keyboard is called the shift key. Microcomputer is a small electronic computer composed of large-scale integrated circuits. It has the characteristics of small size, high flexibility, low price and easy use.
#The operating environment of this article: windows10 system, thinkpad t480 computer.
What is the shift key on the microcomputer keyboard called?
Microcomputers are small electronic computers composed of large-scale integrated circuits. It is a bare metal based on a microprocessor, equipped with internal memory, input and output (I/0) interface circuits and corresponding auxiliary circuits.
Microcomputers are characterized by small size, high flexibility, low price and easy use. Since the first generation of microcomputer IBM-PC was launched by IBM in the United States in 1981, microcomputers have rapidly entered various fields of society with their characteristics of accurate execution results, fast processing speed, high cost performance, lightness and compactness, etc., and technology has been continuously updated, and products have been rapidly replaced. , developed from a simple calculation tool into a powerful multimedia tool capable of processing numbers, symbols, text, language, graphics, images, audio, video and other information. Today's microcomputer products have made great leaps forward compared to earlier products in terms of computing speed, multimedia functions, software and hardware support, and ease of use.
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There are three levels of microcomputer system from global to local: microcomputer system, microcomputer, and microprocessor (CPU). Neither a simple microprocessor nor a simple microcomputer can work independently. Only a microcomputer system is a complete information processing system and has practical significance.
A complete microcomputer system includes two parts: hardware system and software system. The hardware system consists of arithmetic units, controllers, memories (including memory, external memory and cache), and various input and output devices, and works in an "instruction-driven" manner.
Microcomputer
The software system can be divided into system software and application software. System software refers to software that manages, monitors and maintains computer resources (including hardware and software). It mainly includes: operating system, various language processing programs, database management system and various tool software, etc. The operating system is the core of the system software. Only through the operating system can users complete various operations on the computer. Application software is a computer program compiled for a certain application purpose, such as word processing software, graphics and image processing software, network communication software, financial management software, CAD software, various program packages, etc.
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