No, you'd just need to remove the HID class drivers, for example. So disallow HID_DEVICE, HID_DEVICE_SYSTEM_MOUSE and HID_DEVICE_SYSTEM_KEYBOARD. This would, if I'm following Coleman's link right, ...

Repeat delay: Controls the time delay before a keystroke repeats when held down. Repeat rate: Determines the speed of repeated keystrokes. Press the Windows key, type Device Manager, and hit Enter.