Modern computer systems run multiple programs concurrently, alongside the critical Operating System (OS) itself. To prevent errors or malicious actions in one program from corrupting the OS or other programs, the CPU enforces different levels of privilege, known as execution…
Think of the CPU (Central Processing Unit) as the super-fast brain of your computer. It's a tiny, powerful chip, but its main job boils down to one core task: following instructions. Imagine the CPU has a specific list of commands it understands – its own special vocabulary.…
