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Is the PS/2 keyboard/mouse different from USB?

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IlonaBell:
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Emma97:
PS/2 ports may be preferred in a corporate setting for security concerns since they allow USB ports to be completely deactivated, prohibiting the attachment of any USB portable drives or malicious USB devices. [9]
The PS/2 interface does not impose any limitations on key rollover.
Due to driver difficulties or a lack of compatibility, some USB keyboards may be unable to access the BIOS on specific motherboards. BIOS is nearly universally compatible with the PS/2 interface.
When KVM switching with non-Windows computers, PS/2 ports generate less issues.

USB:

USBs often have reduced latency.

On a keyboard, they have at most a 6-key rollover, however there are workarounds depending on the operating system and BIOS.

USB is far superior to PS/2 for hotplugging (you must turn off a PS/2 PC if there is no PS/2 device in the port during PC activation, and it is still not suggested to "hot-swap" a device in PS/2).

PS/2s were not meant to be repeatedly disconnected, hence they are not particularly durable for that purpose.

TL;DR: The USB is superior in most use scenarios, which explains its widespread acceptance.

among1:
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Thomas51:
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