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LO1 (File Types (Tagged Image File Format (TIFF), Joint Photographic…
LO1
File Types
Tagged Image File Format (TIFF)
Joint Photographic Expert Group (JPEG)
Graphics Interchange Format (GIF)
Portable Network Graphic (PNG)
Bitmaps (BMP)
Portable Document Format (PDF)
Uses of digital Graphics
Educate
Inform
Advertise
Entertain
Promote
Properties of Digital Graphics
Pixel Dimensions
The horizontal and vertical measurements of pixels of an image expressed as width x height eg. 500px X 200px
DPI resolution
Dot per inch is a measurement of how many pixels can fit into an inch. The higher the DPI the sharper the image. The size of an image decreases as the DPI rises.
Quality
Compression Settings
Types of Graphics
Vector
Used for logos
Created using mathematical algorithms creating basic text and shapes
Does't become pixelated no matter how far you zoom in
Bitmap
When you zoom in it becomes Pixellated
Created by series of tiny squares called pixels
It is possible to see each individual colored pixel when you zoom in
Design and Layout