An optical instrument used for viewing small objects is a microscope
A, because normally that would be a requirment
When you let the mouse pointer
pause for a moment or two over an item, it is called Hovering. Hovering means
positioning the pointer to a specific object without clicking yet any mouse
buttons. You also do not move it for at least a second. Hovering the mouse
pointer may have the targeted object display its infotip or tooltip.
