Each internet location has a unique address

On early television stations, what typically filled the screen from around 11pm until 6am? test dummies test patterns tests testing colors

In excel, what happens to the cell contents when you click and drag a cell into multiple cells?

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?