The interfaces of the data cable are: USB female, USB male, USB print cable, MINI USB, micro USB, type-c interface and so on.

1, USB female. USB double female connection method is to connect the two USB female wires according to the color of one-to-one correspondence can be.

2, USB print line. The use of USB print line can make the standard parallel port of the printer converted to USB connection.

3, micro USB. is a portable version of the USB 2.0 standard, smaller than some of the cell phone using the Mini USB interface, Micro-USB is the next generation of the Mini-USB specifications

4, MINI USB. also known as mini USB, is a USB interface standard, USB is the abbreviation of the English UniversalSerialBUS, the Chinese meaning is "Universal Serial Bus".

5, type-c interface. type-C is a USB interface connection interface, regardless of the front and back can be inserted and other interfaces, as well as support for USB standard charging, data transfer, display output and other functions.

The COM interface is also called the serial port. In the past, most motherboards provided two COM interfaces,

COM1 and COM2.The purpose of the COM interface is to connect devices such as serial mice and external Modems.

The 1/O address of the COM1 interface is 03F8h-03FFh, and the interrupt number is IRQ4:

The 10 address of the COM2 interface is 02F8h-02Fh, and the interrupt number is RQ3.Therefore,

the COM2 interface has priority over the response of the COM1 interface. Later on, serial devices such as mice adopted

the PS2 interface as well as the currently popular USB interface, and serial-based external devices are no longer common.