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Mouse Glossary
 

Mouse Glossary

Table of contents


A~Z

Bluetooth

Bluetooth is an industrial specification for wireless data transfer. Bluetooth connectivity is often found in high-end keyboards and mice. Bluetooth generally provide an operating range of up to 30 feet and is less prone to interference in comparison to RF technology.

DPI and FPS

DPI (dots per inch) and FPS (frames per second) are the number of counts in an inch of movement and the number of times the sensor reads the surface in a second respectively. These figures are measures of the amount of information recorded by the mouse's sensor. The greater the amount of information that is gathered, the more accurately and precisely the surface can be tracked. To detect movement, optical and laser mice use sensors to read beams of light as they are reflected from the tracking surface.

Currently 400 and 800 DPI optical mice as well as 800 DPI laser mice are very popular, but some high-end models are capable of 1000, 1600 or even 2000 DPI tracking speeds.

PS/2

The Personal System/2 or PS/2 was the designation for IBM's second generation of personal computers. The PS/2 keyboard and mouse ports were introduced with it. PS/2 ports connect the keyboard and mouse to a computer and are usually color-coded on today's systems - purple for keyboards and green for mice. Most desktop motherboards still provide PS/2 ports, but an increasing number of keyboards and mice are using USB ports.

RF

Radio Frequency (RF) is a wireless communication technology. Using RF technology allows keyboards and mice to computers without annoying cables.

USB

The USB (Universal Serial Bus) port is a popular I/O interface used for connecting computers and peripherals or other devices. It is capable of supporting up to 127 daisy-chained peripheral devices simultaneously. The latest USB 2.0 specification can deliver 480Mbps data transfer bandwidth. In addition, USB provides plug-and-play capabilities to allow device changes while the computer is powered on. Today, many keyboard and mice use the USB interface.


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