touch screen display for laptop.Touch screen principle With the increase of multimedia information query, people increasingly talk about touch screen, because touch screen is not only suitable for the national conditions of China's multimedia information query, but also has many advantages such as ruggedness, fast response, space saving, easy communication, etc. . With this technology, our users can easily operate the host by simply touching the icon or text on the computer display screen with their fingers, which makes the human-computer interaction more straightforward. This technology greatly facilitates those who do not understand the computer. User. ?? As a latest computer input device, touch screen is the simplest, most convenient and natural way of human-computer interaction. It gives multimedia a new look and is a very attractive new multimedia interactive device. The application scope of touch screen in China is very broad, mainly for public information inquiry; such as business inquiry of telecommunication bureau, tax bureau, bank, electric power and other departments; information inquiry of urban streets; it is also used for leading office, industrial control, military command, Video games, song and order, multimedia teaching, real estate pre-sale, etc. In the future, touch screens will enter the home. With the increasing use of computers as information sources, touch screens have the advantages of being easy to use, rugged, fast, and space-saving, making system designers more and more feel that using touch screens does have considerable advantages. It has only been a few years since the touch screen appeared in the Chinese market. This new multimedia device has not been contacted and understood by many people, including some system designers who are planning to use the touch screen. They also consider the touch screen as optional. Judging from the popularity of touch screens in developed countries and the stage in which China's multimedia information industry is currently in existence, this concept is still universal. In fact, the touch screen is a device that transforms multimedia information or control. It gives the multimedia system a new look and is a very attractive new multimedia interactive device. System designers in developed countries and China ??s first system designers using touch screens have clearly known that touch screens are no longer indispensable for computers in various application fields, but are indispensable devices. It greatly simplifies the use of computers. Even people who do n??t know anything about computers can still handle them with ease, and make computers show more charm. It solves problems that computers cannot solve in the public information market. IQTouch K interactive touch screen feature 20-point touch and dual system -- Android 8.0 system and optional OPS Windows 10Pro system. Its 4K UHD resolution facilitates presentations and collaboration. With optional multi-screen casting software, IQClass 6.0 and installation-free IQClass Plus software, IQTouch K Series can help create an interactive and collaborative teaching atmosphere in class.