After paying attention to the Wi-Fi signal strength you also need to pay attention to the Wi-Fi security level, which can help prevent information loss and even prevent scraping behavior.
Encyclopedia
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.
The working principle of the projector is based on the fusion of optical and electronic technologies.
If the user wants to extend the effective service life of the battery, in addition to the quality of the charger, the correct charging method is also essential, because the poor quality charger or the wrong charging method will affect the service life and cycle life of the battery. Here are the tips on extending the life of the mobile phone charging battery that the author has compiled:
Cross-site scripting attacks are a common network security vulnerability in which an attacker injects malicious scripting code into a trusted website, causing the browser to execute the malicious code on the user's end
The working principle of power adapter and charger is the same, both use the principle of AC power conversion to convert AC power into DC power to meet the power needs of the device.
The bootloader is a small program that runs before the operating system kernel runs
IMEI code, namely the serial number of the mobile phone. It is the abbreviation of International Mobile Equipment Identity. Like the identity card of a mobile phone, it is used to help identify the identity of a mobile phone. Each mobile phone has only one serial number, which is not the same. We usually match the serial number displayed after pressing the "* # 06 #" key on the mobile phone with the barcode on the mobile phone box and the serial number in the back of the mobile phone after removing the electric board. If the three are the same, it is more likely to be genuine goods (not excluding second-hand goods).
Cell phone NFC and Bluetooth has now been very widely used, the principle is the radio transmission technology, but they have a fundamental difference.
The working principle of the camera can be divided into four key steps: optical imaging, electrical signal conversion, digital signal processing and image output.