Answers- My computer, My Documents and Recyle bin.
2,3,4 option
It helps to keep things organized
Typically, "Del" stands for "delete."
Most times, this key will do different things depending on the type of keyboard/computer you have. For example, on macs, the "delete" key is also the backspace key, so it will delete the last character you typed. However, on most pcs, the "delete" key will delete characters you typed that are in front of your cursor.
Most significant digit. That's the same that it's called for any number system.