Question

explain projector and printer​

Answer 1

Answer:

A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers.

Explanation:

A printer is a device that accepts text and graphic output from a computer and transfers the information to paper, usually to standard size sheets of paper. Printers vary in size, speed, sophistication, and cost. In general, more expensive printers are used for higher-resolution color printing.

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Answer 2

Answer:

1 .projector: A device that is used to protect rays of light , especially an apparatus with a system of lenses for protecting slides or film on to the screen

2. printer: A printer is a device that accepts text and graphic output from a computer and transfers the information to paper, usually to standard size sheets if paper.