Explain the concept of scanning and when it is appropriate.

As long as your not doing anything bad it should be fine

An image scanner - often abbreviated to just scanner, is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image. Scanning is appropriate in work environments such as in office facilities and grocery outlet markets. The benefits of scanning improve less paper clutter, enhanced information, and more office space.

a, b, b, a

Just look at the last words and see if they rhyme. Day's rhyme with praise and Lights rhymes with right.