Encyclopedia - ITWorld-A top-tier website providing authoritative IT technical information.

Jul 16, 2025

What are vr virtual glasses? How is the effect?

3D stereo glasses is a penetrating LCD lens, through the circuit to the LCD glasses on, off the control, on can control the glasses lens all black, in order to cover a glance image; off can control the glasses lens for transparent, so that the other glance to see another glance should see the image.

Jul 15, 2025

Cell phone "a daily charge" and "no power to recharge", which is more harmful to the battery?

Cell phone battery is an important part of the phone, and its life and capacity directly affect the experience of using the phone. So, how should we charge the phone properly?

Jul 14, 2025

What does bootloader mean?

The bootloader is a small program that runs before the operating system kernel runs

Jul 13, 2025

Which is better, laptop, desktop or all-in-one

With the subdivision of computer market products, today's computer market is blossoming everywhere. Now we will talk about the advantages and disadvantages of current DIY computers, brand computers, all-in-one computers, laptops and HTP computers

Jul 12, 2025

Do you know what 3D Mapping is?

3D Mapping is the core technology of outdoor architectural projection, which can project onto the surface of objects in any medium and turn the surface of the objects into animation to achieve a perfect integration of objects and animation, thus creating a strong sense of visual impact.

Jul 11, 2025

What is resolution? What does resolution mean?

This word is believed that as long as you are familiar with the digital field, you will not be unfamiliar with it. Resolution is the precision of screen image, which refers to the number of pixels displayed by the display. Since the dots, lines and surfaces on the screen are all composed of pixels, the more pixels the display can display, the finer the picture will be, and the more information can be displayed in the same screen area, so the resolution is one of the very important performance indicators. The whole image can be thought of as a large chessboard, and the resolution is expressed by the number of intersection points of all longitude and latitude lines.

Jul 10, 2025

What is a discrete graphics card

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.

Jul 09, 2025

What is the hosts file? Where is the hosts file?

The hosts file is a file responsible for IP address and domain name express resolution in Windows system and is saved in ASCLL format.

Jul 08, 2025

How is fingerprint recognition achieved?

As an advanced means of identity verification and access control, fingerprint recognition technology has been widely used in various fields with the advantages of uniqueness, convenience and high security.

Jul 07, 2025

Who is more secure, fingerprint recognition or password?

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.