What mouse socket is good?

Is it better to buy PS2 interface or USB interface for desktop keyboard or mouse? Which is more stable?

USB is better. Now some motherboards only have a PS/2 interface of the keyboard. It is recommended to buy USB, in case the motherboard can still be used in the future. In addition, the mouse speed of USB interface is also higher than that of PS2.

There are generally three mouse interfaces, namely RS232 serial port, PS/2 port and USB port. USB interface is the future development direction, but the price is a bit expensive. If you don't care about the price, you can consider this mouse. Generally, the same mouse has two interfaces, serial port and PS/2, and the price is basically the same. In this case, I suggest you buy a PS/2 mouse, because the interface position of the PS/2 mouse is left on the general motherboard, which saves a serial port and can prepare for future upgrade.

Is it better to use USB mouse or photoelectric mouse?

Usb and optical mouse are two different concepts. USB refers to the interface, and photoelectricity refers to the photoelectric technology used by the mouse.

Mouse interface

Split USB

And PS/2. The round one is PS/2 interface, which is very old. The advantage of PS/2 interface mouse is that it can reduce the use of USB interface behind the motherboard and reduce hardware conflicts, because sometimes other USB devices will affect the USB interface mouse and cause conflicts.

The types of mice are mainly divided into roller technology and photoelectric technology. The roller is the kind with a ball at the bottom, and the photoelectric mouse is the kind with a light flashing behind it (photoelectric mouse is mostly used at present).

If you use a desktop,

Roller mouse

It will be better, but now most notebook computers have canceled the PS/2 interface, so if you use a notebook, you can only buy a mouse with USB interface, but now there are few high-end mice with PS/2 interface, all of which are USB.

Nowadays, photoelectric mice are mostly used, and it is difficult to buy rollers. Don't worry.

Which is better, PS2 interface mouse or USB interface mouse?

First, USB interface supports hot plug, while PS/2 interface does not.

Second, the interface scanning frequency USB interface is much higher than PS/2 port, and the response speed is certainly much faster than PS/2 port, but we generally don't feel it.

Extended reading:

Logitech and Microsoft USB mice are generally equipped with PS/2-USB adapters. Try this adapter. _S/2 can be set in the advanced driver properties of the device manager, and the interface scanning frequency can be increased to 200 Hz (fixed as 125Hz under USB interface), which is indeed increased from 125Hz through MouseRate.

When using PS/2, even when using the highest 1600dpi, the movement is slow, but when you switch to the USB port, the movement speed will increase immediately.

After the Logitech driver is installed, when using USB, the device manager can recognize the mouse model as MX5 18, and PS/2 is displayed as PS/2 compatible device in the device manager. Only Logitech's own setup program can recognize the mouse model.

About interface scanning frequency. 125Hz means that the system checks the mouse interface 125 times per second, so the response time of the interface (or mouse data transmission delay) should be1125 = 8ms, while the response time of the interface is 5ms at 200Hz, with little difference. Several models of Razer mouse have increased the scanning frequency to 1000Hz, and Logitech G5 is also 500Hz. Their reaction time is 2ms and 5ms, so it can be considered that there is no delay in data transmission.

With PS/2, the interface scanning frequency seems to be 120Hz by default, and can only be adjusted to 200Hz at the highest, which is very limited. However, it doesn't matter to the old technology mice such as MX5 18 and IE3.0, but for G5 and even Razer's high-end mice, using PS/2 will definitely bring performance loss.

Is USB interface or SP2 interface better for desktop computer mouse?

Use USB interface. line

Desktop computers have two mouse interfaces, namely:

PS/2 interface (often called "round mouth", basically discontinued at present, the old mouse used this interface many years ago);

USB interface (usually called "flat mouth", now most mice are this interface).

Desktop computers have two keyboard interfaces, namely:

PS/2 interface (usually called "round mouth", this interface is relatively rare, but some models of keyboards still use this interface);

USB interface (usually referred to as "flat mouth", now the keyboard is mostly this interface).

It is said that there are two kinds of mouse sockets. What's the good reason?

Use:

There is no difference between ps2 and usb. The mouse speed is the same. If there are few usb ports on the motherboard, it is recommended to use PS2 interface, which can save one more usb, because many new products need to use usb interface now. Such as: mobile phone, printer, camera, mobile hard disk, USB flash drive, scanner, etc. , basically have to account for a mouth. My 6 USB is just enough.

Installation:

Ps2 does not need to install software. Plug it in and you can use it. The computer cannot be installed while it is running.

Usb can be plugged and played in all systems above windows2000. It can be installed or removed while the computer is running.

Maintenance:

Ps2 is more convenient, because the needle mouth design has better contact. It is not easy to accumulate dust, and usb is relatively loose, but relatively speaking.