0478.1.1.04 — • Binary is a base 2 system • Hexadecimal is a base 16 system: past paper questions
Real questions on 0478.1.1.04 — • binary is a base 2 system • hexadecimal is a base 16 system
The newest 6 of 6 written questions. Open one to see it on the real paper.
- 0478/11 · May/June 2025 · Q2c(ii)[2]
Convert the two denary numbers into hexadecimal. 109 415
See it on the paper → - 0478/13 · May/June 2025 · Q1c(ii)[2]
Convert the two binary numbers to hexadecimal numbers. 00011001 10110100
See it on the paper → - 0478/22 · February/March 2025 · Q9a[5]
Draw a logic circuit for this logic expression. Each logic gate must have a maximum of two inputs. A B Z C Do not simplify the logic expression.
See it on the paper → - 0478/22 · February/March 2025 · Q9b[4]
Complete the truth table from the given logic expression. C 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 Working space Z B A
See it on the paper → - 0478/11 · October/November 2024 · Q3b[2]
the two denary ASCII numbers to hexadecimal.
See it on the paper → - 0478/13 · October/November 2023 · Q2a[2]
Explain what is meant by a binary number system.
See it on the paper →
What examiners said
Many candidates were able to convert the denary numbers to hexadecimal. Some candidates converted the values to binary instead of hexadecimal.
— Examiner report, May/June 2025, 0478/11 Q2(c)(ii) (Cambridge)
Many candidates were able to convert the two binary numbers to hexadecimal.
— Examiner report, May/June 2025, 0478/13 Q1(c)(ii) (Cambridge)
Candidates who constructed a logic circuit directly from the given logic expression without attempting to simplify or otherwise alter any of the logic gates generally achieved the best marks.
— Examiner report, February/March 2025, 0478/22 Q9(a) (Cambridge)
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