0478.1.1.09 — positive hexadecimal and positive: past paper questions

Real questions on 0478.1.1.09 — positive hexadecimal and positive

The newest 7 of 7 written questions. Open one to see it on the real paper.

1. 0478/12 · May/June 2026 · Q3b[2]

   There is a problem with streaming a video and the error codes 152 and 30F are displayed. Convert the two hexadecimal error codes to binary numbers. 152 30F

   See it on the paper →
2. 0478/12 · May/June 2026 · Q3c[2]

   The binary numbers 010001110101 and 101011101000 are stored. Convert the two binary numbers to the hexadecimal error codes that would be displayed. 010001110101 101011101000

   See it on the paper →
3. 0478/12 · May/June 2026 · Q3d[2]

   Hexadecimal numbers can also be converted to denary numbers. Convert the two hexadecimal error codes 0A2 and 104 to denary numbers. 0A2 104

   See it on the paper →
4. 0478/12 · February/March 2026 · Q6b[1]

   Convert the hexadecimal number F08 into a 12‑bit binary number.

   See it on the paper →
5. 0478/12 · May/June 2025 · Q1d[2]

   Convert the two hexadecimal numbers to binary numbers. 8AD Working space (d) The hexadecimal numbers 35 and 8AD are converted to binary numbers to be stored in the RAM.

   See it on the paper →
6. 0478/13 · May/June 2023 · Q1b[2]

   Convert the binary number to hexadecimal.

   See it on the paper →
7. 0478/12 · February/March 2022 · Q1b[1]

   Convert the binary number 11000000 to hexadecimal.

   See it on the paper →

What examiners said

Comprehensive responses • Most candidates gave the correct 12-bit binary value.

— Examiner report, February/March 2026, 0478/12 Q6(b) (Cambridge)

Most candidates accurately converted the two hexadecimal numbers to binary.

— Examiner report, May/June 2025, 0478/12 Q1(d) (Cambridge)

Most candidates were able to convert the binary number to hexadecimal.

— Examiner report, May/June 2023, 0478/13 Q1(b) (Cambridge)