Your PC's task manager is lying to you - here's why

Task Manager is a useful tool that you've almost certainly used while checking your Windows PC for errors, but this common ...
Windows Report

Former Microsoft Engineer Reveals How Task Manager Calculates CPU Usage

Learn how Windows Task Manager measures CPU usage over time intervals and why modern CPUs can make these readings feel ...

Why Task Manager's CPU utilisation stat seems wrong, explained by its original creator

There's more to CPU utilisation calculations than at first meet the eye.
PC World

Windows 11 now uses a smarter CPU usage number in Task Manager

In the latest update to Windows 11 24H2—patch KB5058411 which rolled out earlier in May—Microsoft made a quiet change to how Task Manager calculates CPU usage in the “Processes” tab, reports Windows ...