With the development of holographic projection technology, the introduction of multimedia interactive technology in the construction of corporate exhibition halls, focusing on intelligent multimedia interaction, immersive participation experience, and the visual sense of science and technology, the digital exhibition hall brings a novel sense of participation and interaction to people.

After using iPhone for a long time, you will find that more and more storage space is taken up, especially for the "Other" item, which tends to take up more and more space.

Cell phone NFC and Bluetooth has now been very widely used, the principle is the radio transmission technology, but they have a fundamental difference.

Fingerprint, security, password, identification Nowadays fingerprint recognition technology is not a new technology, not only smart phones, even the door locks at home have also started to use fingerprint recognition technology.

Discrete graphics card refers to a graphics card that exists as an independent board and needs to be inserted into the corresponding interface on the motherboard. Discrete graphics card has independent video memory, does not occupy system memory, and is technically ahead of integrated graphics card, which can provide better display effect and operating performance. Discrete graphics cards are divided into built-in discrete graphics cards and external graphics cards. As an important part of the computer host, the graphics card is very important for those who like to play games and engage in professional graphic design. At present, the suppliers of graphics chips for civilian graphics cards mainly include AMD (formerly ATI) and nVIDIA.