Aprojector is a device that integrates a light source, optics system, electronics and display(s) for the purpose ofprojecting an image from a computer or video device onto a wall orscreen for large image viewing.
true
false

True.

Explanation:

There are many types of projectors present in the world for example DLP,LCD,LED. The basic working of projectors is they uses a light source basically white light then this white light is converted into Red,blue,green lights with the help of mirrors,prisms etc.Then with the help of RGB light image is projected onto the screen passing through a lens.Projector consists of electrical circuits and optical equipment to do all this.

nope i prefer two because it is simpler, i don't like all the powers you get

explanation:

but that's my opinion

answerthe reference of the object;