Noise is

• Loud music played by neighbour

• people shouting on the street

• a visual effect that produces a subtle reduction of image quality

• the grainy look of images

The production of images for publications and other uses is now mostly achieved by the use of digital technology

• True

• False

The higher the Resolution the more information and image contains.

• True

• False

Photoshop is a Vector based program

• True

• False

DPI (Dots per Inch) measures

• the number of pixels displayed vertically and horizontally in a square inch of an image

• how many ink dots a printer can deposit within an inch.

PPI describes

• the number of picture elements displayed on the x and y-axis in a square inch of a digital image

• the way printers reproduce photographic images

Pixelation occurs when

• I scaled my image and then resized it again in Photoshop

• My image was too small in my design

• My printer didn't represent my image well

• the resolution of an image is too low for printing.

In Photoshop you can create a new image in the following modes

• RGB

• CMYK

• Duotone

• Lab

Information about the colour of an image is stored as

• CMYK

• RGB

• Primary

• Secondary

There are essentially two types of Image formats

• Bitmaps

• Vectors

• Photographic

• Lines