Sometimes you need info about hardware, and you probably lost your invoice, spec list or a password to a store website. Maybe you did an upgrade and this info isn’t accurate anymore. It’s an easy case for home users, but what to do is you have many machines in a corporate environment? The command…
What does an idle CPU do?
In the last post I said the fundamental axiom of OS behavior is that at any given time, exactly one and only one task is active on a CPU. But if there’s absolutely nothing to do, then what? It turns out that this situation is extremely common, and for most personal computers it’s actually the nor…