Riya has created the following logo as a vector graphic. [Figure showing a rectangle with the letter 'R' inside it]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2021). The mark or mark type is shown in brackets.

1. [1] Property description: data about the shapes // defines one aspect of the appearance of the drawing object
2. [1] Property example: e.g. black line // white fill // black fill //solid (line) // font of letter // colour of triangle
3. [1] Drawing list description: the list of shapes involved in an image // a list that stores the command/description required to draw each object
4. [1] Drawing list example: e.g. triangle // capital letter R // rectangle // line
5. [1] Bitmap made up of pixels // bitmap is made of colours stored for individual pixels
6. [1] Vector graphic store a set of instructions about how to draw the shape
7. [1] When bitmap is enlarged the pixels get bigger and it pixelates
8. [1] When vector is enlarged it is recalculated and does not pixelate
9. [1] Bitmap files are usually bigger than vector graphics files because of the need to store data about each pixel
10. [1] Vector graphics have smaller file size because they contain just the instructions to create the shapes
11. [1] Bitmap images can be compressed with significant reduction in file size
12. [1] Vector graphic images do not compress well because of little redundant data
13. [1] Method: Reduce bit depth
14. [1] Description: reduces the number of bits per colour / pixel which means each pixel has fewer bits
15. [1] Method: Reduce colour palette // reduce number of colours
16. [1] Description: fewer colours mean fewer bits needed to store each colour
17. [1] Method: Reduce image resolution
18. [1] Description: fewer pixels per unit measurement means less binary to store