If you are computer-savvy enough to know how to use your task manager or even your registry editor, you may think yourself in ...
Ctrl+Shift+M sorts by the %MEM column, and Shift+P sorts by the %CPU column. Sorting a column twice reverses the sort order.
Task analysis is a method that helps you understand how users accomplish their goals and the steps they take to get there. This establishes their mental models and is crucial for task-oriented design.