Halftone - The method by which photographs and other images are printed by using cells of dots to simulate the tones between light and dark. A printing press is not able to change the tone of ink, therefore dots of colour are used to trick the eye into seeing a continuous tone image. To accomplish this, the photograph is shot through a mesh of a screen that breaks the image into tiny dots. The closer the lines of the screen, the smaller the dots and the more dots per inch, leading to a crisper image.
Hard Copy - The permanent visual record of the output of a computer or printer.
Hardware - Physical Computer and peripheral components as distinguished from software which is a program for operating hardware.
Hickey – Spot or imperfection in printing due to dirt on the press, hardened.
