Question

what is scanning? why it is useful for computers?​

Answer 1

Answer:

scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display. ... Very high resolution scanners are used for scanning for high-resolution printing, but lower resolution scanners are adequate for capturing images for computer display.

Answer 2

Answer:

scanning helps us to get our copies which we have seen and picked form the desktop