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ADVANTAGES OF PS2
The PS/2 port is a 6-pin mini-DIN connector used for connecting keyboards and mice to a PC compatible computer system.
• PS2 mice and keyboards are favored by many gamers because they essentially have zero-latency through the port. There is no "polling" needed by the OS. The device notifies the OS when it's time to receive a packet of data from it.
• If a keyboard or mouse doesn't work in a USB port, plug a keyboard or mouse into a ps2 port. If a computer only has two USB ports or even four... Then two PS 2 ports are particularly useful.
• If you’re looking for a fast response go with ps/2.
• Ps/2 supports sleep-waking if your computer under sleep mode pressing a key from ps/2 will wake it which is not supported by USB
• Ps/2 directly connects to the motherboard short distance to motherboard whereas in USB it first connects to a bus which is then connected to the motherboard at a long distance from the processor.
• If you’re PC with PS 2 slot always use PS 2 mouse. That will help you to vacate one USB.
