However, some gamers might prefer a lower polling rate to reduce CPU usage or to better match their monitor's refresh rate.

Source: https://www.devicemag.com/mouse-polling-rate/

If the process is generating CPU usage (usually between 10% and 15%), your PC is affected by the bug.

Source: https://www.digitaltrends.com/computing/nvidia-driver-bug-affects-cpu-usage/

Microsoft said the new version of the collaboration platform — often accused of high CPU usage — will be “twice as fast while using half the system resources.”

Source: https://www.computerworld.com/article/3691894/microsoft-rearchitects-teams-to-make-it-faster-and-smarter.html

When the CPU usage is over 50%, the temperature control system may adjust the fan speed to cool down the host heat volume, which can result in a noisy fan.

Source: https://www.devicemag.com/how-do-i-fix-my-lenovo-fan-noise/

Your Mac system CPU usage may be high due to several different factors.

Source: https://www.devicemag.com/how-to-decrease-cpu-usage-mac/