What is the usual interface used to connect a mobile hard drive or USB flash drive to a computer?

The interface used to connect the mobile hard disk or USB flash drive to the computer is usually "USB". USB is a serial bus standard and a technical specification for input and output interfaces that regulates the connection and communication between computers and external devices. The USB interface has a hot-swappable function and can be connected to a variety of peripherals, such as mice and keyboards.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The interface used to connect the mobile hard disk or USB flash drive to the computer is usually "USB".

Universal Serial Bus (English: Universal Serial Bus, abbreviation: USB) is a serial bus standard and a technical specification for input and output interfaces. It is widely used in personal computers and mobile phones. equipment and other information and communication products, and expanded to photographic equipment, digital TV (set-top boxes), game consoles and other related fields.

USB is an external bus standard that regulates the connection and communication between computers and external devices. The USB interface has hot-swappable function. The USB interface can connect a variety of peripherals, such as mice and keyboards. USB was jointly launched in 1996 by Intel and other companies at the end of 1994. It has successfully replaced the serial port and parallel port and has become a must-have interface for today's computers and a large number of smart devices.

USB devices mainly have the following advantages:

1. It can be hot-swapped. That is, when using an external device, the user does not need to turn off and on again, but can directly plug in the USB when the computer is working.

2. Easy to carry. Most USB devices are known for being "small, light and thin", which is very convenient for users to carry large amounts of data with them. Of course, USB hard drive is the first choice.

3. Unified standards. Common ones are hard drives with IDE interfaces, serial mouse and keyboards, and parallel port printers and scanners. But with USB, these application peripherals can all be connected to personal computers using the same standards. Then there are USB hard drives, USB Mouse, USB printer, etc.

4. Can connect multiple devices. USB often has multiple interfaces on personal computers, which can connect several devices at the same time. If you connect a USB HUB with four ports, you can connect it again; four USB devices, and so on, you can connect as many times as you want. , connect all your home devices to a personal computer at the same time without any problems (note: can connect to up to 127 devices).

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