O-LevelComputer ScienceData Representation2210/11 · May/June 2022 · Q53 Marks
An image is stored on a computer. The image is 16-bit colour and is 100 pixels high and 150 pixels wide. Calculate the file size of the image in bytes. Show all your working.
- An image is stored on a computer. The image is 16-bit colour and is 100 pixels high and 150 pixels wide. Calculate the file size of the image in bytes. Show all your working. Answer bytes[3]
Mark scheme
Marking points from the official mark scheme (May/June 2022). The mark or mark type is shown in brackets.
- [3] Two marks for two correct stages of working, one mark for correct final answer 100 × 150 15 000 × 16 // 15 000 × 2 240 000 / 8 30 000 bytes
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