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

Jan 05, 2026

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?

Jan 04, 2026

What are the advantages of full frame SLR camera

As we all know, using a camera to take pictures requires sensitive materials to record images. The sensitive material of traditional cameras is film, while the sensitive material of digital cameras is light sensitive elements (CCD or COMS). Compared with the area of 35mm film, if the size of the sensor area is close to or equal to that of 35mm film, it is a full frame size. The SLR camera with this size is a full frame SLR camera.

Dec 30, 2025

How do Bluetooth headsets achieve noise cancellation?

Bluetooth headset is one of the indispensable audio devices in our daily life, in order to provide a better audio experience, Bluetooth headset gradually adopted the noise reduction technology, so that users can quietly enjoy the pure world of music.

Dec 29, 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.

Dec 28, 2025

A one-minute walk through the difference between a switch and a router

Switch, meaning "switch", is a network device used for electrical (optical) signal forwarding.

Dec 26, 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.

Dec 23, 2025

Wireless charging principle

The principle of wireless charging is through near-field induction, the wireless charging device conducts energy to the charging terminal device, and then the terminal device converts the received energy into electrical energy and stores it in the device's battery.

Dec 22, 2025

How often should the router be turned off?

Router in the process of use, will produce a lot of junk files, we need to regularly clean up these cache, so as to improve the network speed, if not shut down for a long time as more and more of this junk, the operating speed will be reduced.

Dec 20, 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.

Dec 19, 2025

Laptop temperature high how to do

Laptop temperature is too high will lead to switching or open the program relatively lag, serious will make the computer blue screen or automatic restart.