

A projector is an optical device that projects an image


The guitar is a fretted musical instrument that typically has six strings.
It is usually held flat against the player’s body and played by strumming or plucking the strings with the dominant hand, while simultaneously pressing selected strings against frets with the fingers of the opposite hand.





from a transparency or an

opaque image onto a surface, commonly a projection screen.



Most projectors create an image by

shining a light through a small transparent lens.