Y9
4b: Recall that the colour of each picture element is represented using a sequence of binary digits
4b: Recall that the colour of each picture element is represented using a sequence of binary digits
| Keyword | Definition |
|---|---|
| bit | a binary digit (0 or 1) |
| bit sequence | a pattern of more than one bit where each bit represents a different part of some data (e.g. different pixels in an image) |
| bitmap | a type of digital image that is represented by a grid of coloured pixels |
| colour | different wavelengths of light that the human brain interprets as different hues of the rainbow |
| pixel | a picture element which is a small coloured dot that makes up part of a bitmap image |
| representation | a way of describing something (using binary 0s and 1s to describe a digital image) |
| vector | a type of digital image that is represented by shapes of different colours and sizes |
