Interface device refers to the hardware composition or allows people to communicate with computers, communication systems or otherElectronic information systemInteractive component system.This term often appears in the mobile communication industry. Designers challenge the integration of portability, performance and ease of operation.The interface device usually refers to the user interface (at least, in most academic discussions, it usually refers to the human-computer interface or HCI).Graphics for today's desktops and laptopsuser interface(GUI) is different from the earlier ones.imageCommand line interface(CLI) This has more limitations.
Chinese name
Interface equipment
Foreign name
The interface is set
Object
Hardware composition
Nature
Component system for electronic information system interaction
The interface equipment is the equipment for people to exchange information and interact with the system.In today's highly automated production process, operators are still required to monitor, judge, analyze, make decisions and intervene in the production process and equipment status, especially when the production process fails.The decision of the operator depends on a large amount of information in the production process, and the intervention of the operator acts on the production process through the transmission of control information. The interface equipment is the device that undertakes the task of transmitting such information to each other.[1]
type
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The interface device usually includes an output interface form and an input interface form. The output interface form, such as a display screen or audio signal, and the input interface form has push buttons, keyboards, sound receivers, or tablet.The characteristics of modern technology divide the interface devices into six types: personal computers (desktop or notebook computers, large enough memory and external storage, keyboards, monitors);Handheld computer (smaller, but still with keyboard);Pocket computer (small size, pocket size, handwriting is the basic input interface, and the display is very small);Smart phone (digital portable phone, with or without a computer, which can accept the language code of wireless signs from the network server);Intelligent pager (two-way paging, which can respond through buttons or mini keyboard);Standard telephone (voice and keyboard input interface, no computer function);Hybrid (usually a combination of telephone and handheld computer).[2]
characteristic
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The interface equipment system provides the means of communication between the processor and the outside world.The so-called external world is based on a broad understanding, that is, it generally refers to people and things outside the processor that need to exchange information with the processor, including operators, operation consoles, interface devices, auxiliary memory, remote terminals connected to the processor via interface device ports or communication devices, other processors or real physical systems, etc.Since human also accesses the processor through various devices, various devices other than human are collectively referred to as interface devices, or peripheral devices.Because of the wide variety and different performance, the interface equipment system has become the most diverse and complex part of the computer system.The diversity is not only reflected in the variety, function and technical indicators of the interface equipment, but also in the wide range of mechanical, electrical, optical, magnetic, acoustic, automatic control and other disciplines involved in these equipment.In terms of computer science, the interface equipment system typically reflects the combination of hardware and software.Most of the complexity of the modern computer interface device system is hidden in the operating system, so that users can call various interface device processes only through some simple commands or program requests, without involving in the work details of different peripheral devices.
In general, the characteristics of interface equipment are mainly reflected in the three basic requirements of asynchrony, real-time and equipment independence, which have a decisive impact on the organization of computer interface equipment system.[2]
Application industry
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By industry application: monitoring industry, radio and television industry, video conference industry;VGAFor signal application, due to the wide bandwidth of VGA signal and the simultaneous transmission of five signals (R, G, B, H, V), it is required that the indicators of each channel be as high as possible and must be consistent. The technical requirements for component equipment at the broadcast level should be followed.
