1. Adobe Photoshop Setting Up An A3 Poster

2. A3 You are required to produce a poster This poster needs to be A3 in size – twice the size of a normal (A4) piece of paper A3 size is 297mm × 420mm

3. Create a new Photoshop file

4. Set The File Details

5. Portrait A3

6. Landscape A3

7. Resolution 300 dpi (dots per inch) or ppi (pixels per inch) is the normal standard for printing documents – this means every inch across our picture will be made of 300 separate pixels of colour.

8. Colo(u)r If you are creating graphics for the internet, on a computer or for a mobile phone you use RGB colour. If you are creating graphics for print you use CMYK colour – so even though we are creating the graphics on a computer (RGB) the ultimate destination is print media. Note: in computer terms ‘colour’ is normally spelled ‘color’

9. Transparency Is Shown As Grey Squares