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The feature, which is missing in the signature produced by scanning and printing through color printer is :

  • A.Presence of C.M.Y. dots in the vicinity
  • B.Pattern of paper from which signature is taken
  • C.Indentation on the back side of the paper
  • D.Microscopic texture on the stroke

Answer: C

The missing feature is the indentation on the back side of the paper.

A genuine signature written with a pen leaves an embossing on the reverse of the paper because of the writing pressure. A signature that has been scanned and printed on a colour printer is laid on the surface as ink or toner with no pressure, so this indentation is absent.

A colour-printed signature instead shows features of the printing process: dots of cyan, magenta and yellow around the strokes, and a uniform microscopic texture of the strokes. The pattern of the original paper may also be reproduced, so the other options describe features that can be present rather than missing.

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