Knowledge

What Is TF Card?

What is TF card?

How USB 3.0 Works

The reason why USB 3.0 has "super speed" performance is entirely due to the improvement of technology.

Appearance difference between USB3.0 and USB2.0

Observe the USB socket (itself) and the USB socket on the computer. The color of the plastic sheet in the middle: USB3.0 -- blue; USB2.0 -- black.

What are the advantages of USB 2.0

This allows users to use external devices without repeating the action of "shutdown, connect the parallel port or serial port cable and then power on", but directly plug in the USB cable when the comp

USB 2.0 Features

The transmission speed of the interface is as high as 480 Mbit/s, which can fully meet the requirements of high-speed data exchange;

Introduction to USB 2.0

USB (Universal Serial Bus 2.0, Universal Serial Bus) is a new interface technology applied in the computer field.

HDM length limit problem

The cable length limit of HDMI is one of its main problems. In some consumer self tests, the standard 28AWG (American Wire Gauge) HDMI copper wire began to attenuate after about 5 meters.

Introduction to HDMI

High Definition Multimedia Interface (HDMI) is an all digital video and sound sending interface, which can send uncompressed audio and video signals.

Main functions of the adapter

Computer accessories have various adapters, such as those that convert PS2 to USB, VGA to DVI, and so on!

Measures for cable fire

Ensure the construction quality, especially the production quality of the cable head must strictly meet the requirements.

Application and Development of DC Cable

DC cable can be used for long-distance and high-capacity power transmission. It is mainly used for submarine cables and underground cables supplying power to large cities.

Structure of DC cable

Copper wire is generally used as conductor core material, and its section is selected according to rated current, allowable voltage drop, short circuit capacity and other factors.