At a ninety degree angle
Resting on the table or keyboard
You could go blind.
It could cause your eyes to be strained.
You could get carpal tunnel.
You might lose feeling in your foot.
Nothing will happen.
Ends a task or moves the cursor down a line.
Erase mistakes behind the cursor.
Erase mistakes in front of the cursor.
Makes capital letters.
To the left of
In front of
To the right of
On top of
On either side of
Here's an interesting quiz for you.