Bermuda Press
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P R I N T I N G_T E R M S

Bitmapped Image
A single channel image with one bit of colour information - colours display in black and white.

PPI
Pixels Per Inch is a measure of the resolution of a screen image or printed page.

Duotone
A term for a two-colour halftone reproduction from a one-colour photograph.

Perfecting
A printing process that allows the press to print both sides of the paper at one time through the press.

Encapsulated Postscript File - EPS
An alternative picture file format that allows Post script data to be stored and edited and is easy to transfer between Macintosh, MS-DOS and other systems.

Fill
To paint a selected area with a grey shade or pattern.

Four Colour Process
A method of reproducing a broad range of colours in print by using tints of cyan, magenta, yellow and black otherwise known as CMYK colouring.

Full Bleed Pages
When a page is printed past the desired final size, so as to allow for cropping.

Halftone
A method of breaking a continuous tone images (like a photograph) into a pattern of dots, which can be in various shapes. Each row of dots is referred to as a line. A course halftone has 100 lines per inch (lpi) or less, and a fine screen has more than 100 lines.

Imposition
The process of arranging the pages of a publication on a press sheet so that when the sheets are printed and folded for binding the pages will be in the proper order.

JPEG
An image format commonly used to display photographs and other continuous-tone images. It is most commonly used in HTML documents for the Web and other online services, because of its higher level of compression. *Sacrifices image quality

TIFF
Tagged Image File Format (TIFF), a computer file format for storing images, including photographs and line art.

PRINTING FACTS

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