O-LevelComputer ScienceData Representation2210/11 · May/June 2025 · Q34 Marks

An image is converted to binary to be represented by a computer. Complete the table with the missing terms and definition about representing an image. Term Definition ... This is the smallest component of an image. resolution ... This is the number of bits used to create each colour in an image. ... This is additional data that is stored with an image that can provide information such as the time and date the image was taken.

Complete the table with the missing terms and definition about representing an image. Term Definition ... This is the smallest component of an image. resolution ... This is the number of bits used to create each colour in an image. ... This is additional data that is stored with an image that can provide information such as the time and date the image was taken.[4]

Mark scheme

Marking points from the official mark scheme (May/June 2025). The mark or mark type is shown in brackets.

[1] pixel
[1] The number of pixels high by the number of pixels wide // The number of pixels in an image
[1] colour depth // bit depth
[1] metadata // header

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Topic: Data Representation, O-Level Computer Science (syllabus 2210). Structured question, 4 marks.
Source: O-Level Computer Science, May/June 2025 Paper 1 Variant 1, question 3.

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