[CS] Paper 2/1-Data Representation/1.4 Graphics 0.0 / 5 ? Computing1 - Data RepresentationA2/A-levelAQA Created by: 16tgc05Created on: 17-10-21 09:52 What is the definition of a pixel ? The smallest unit that makes up a display screen/graphic 1 of 5 What is a colour depth ? How many bits are used per pixel to set/decide its colour 2 of 5 What is the formula for file size (bitmapped graphics) ? Resolution * colour depth (gives answer in bits) 3 of 5 What is 'metadata' ? Additional data about an image "Data about data" 4 of 5 How are vector graphics different to bitmapped graphics ? Vector graphics use mathematical formulas to create images. Bitmapped graphics store data about each individual pixel. 5 of 5
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