What does the CPU do, and how can I evaluate its performance? How does memory work in my computer, and how can I evaluate how much memory I need? What are the computer’s main storage devices, and how...

What does the CPU do, and how can I evaluate its performance?

How does memory work in my computer, and how can I evaluate how much memory I need?

What are the computer’s main storage devices, and how can I evaluate whether they match my