0478.1.2.08 — Understand how and why a computer • An image is a series of pixels that are converted: past paper questions
Real questions on 0478.1.2.08 — understand how and why a computer • an image is a series of pixels that are converted
The newest 5 of 5 written questions. Open one to see it on the real paper.
- 0478/11 · May/June 2026 · Q8b(i)[5]
Complete the table with the missing terms and descriptions about sound and images. term description the smallest unit of an image that is made up of one colour sound sample the dimensions of an image colour depth the number of samples that are recorded each second
See it on the paper → - 0478/12 · May/June 2026 · Q6a[3]
Explain how the image is converted to binary for processing by the smartphone.
See it on the paper → - 0478/11 · May/June 2025 · Q3[4]
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...
See it on the paper → - 0478/13 · May/June 2022 · Q6c[4]
Frida scans a text document into her computer so that she can store a digital version. She uses a 2D scanner to do this. Describe how the text document is scanned by the 2D scanner to create the digital version.
See it on the paper → - 0478/11 · October/November 2021 · Q4c[5]
Complete the paragraph about the operation of a digital camera, using the most appropriate terms from the list. Not all terms in the list need to be used.
See it on the paper →
What examiners said
Many candidates were able to correctly identify pixel and colour depth. Few candidates were able to identify metadata. Many candidates were able to give a correct definition for resolution. Some candidates did not provide enough information and just stated that it was related to the quality of the image.
— Examiner report, May/June 2025, 0478/11 Q3 (Cambridge)
Few candidates were able to provide an accurate description of the operation of a scanner. It would be beneficial for candidates to have an increased understanding of this.
— Examiner report, May/June 2022, 0478/13 Q6(c) (Cambridge)
Many candidates were able to provide the correct terms to complete the paragraph. The most common incorrect response was the use of binary in place of pixel for the final term.
— Examiner report, October/November 2021, 0478/11 Q4(c) (Cambridge)
Past papers, syllabus and examiner reports © UCLES (Cambridge University Press & Assessment). Questions are matched to topics from the official syllabus. AssessPro is independent and not endorsed by Cambridge.