What happens if I leave any kind of device on for about a week?

Your computer running windows 10 is doing some very strange things with the operating system. you are fairly certain it is not a hardware issue. you need to try to get further insight into what is going on within the operating system. which tool would be best suited for this?

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

In which view can you see speaker notes?