0478.1.3.01 — Understand how data storage is measured • Including: – bit – nibble – byte – kibibyte (KiB) – mebibyte (MiB) – gibibyte (GiB) – tebibyte (Ti: past paper questions
Real questions on 0478.1.3.01 — understand how data storage is measured • including: – bit – nibble – byte – kibibyte (kib) – mebibyte (mib) – gibibyte (gib) – tebibyte (ti
The newest 20 of 31 written questions. Open one to see it on the real paper.
- 0478/11 · May/June 2026 · Q1a[1]
Tick (3) one box to show which is the largest unit of measurement for data storage. A exbibyte (EiB) B gibibyte (GiB) C mebibyte (MiB)
See it on the paper → - 0478/11 · May/June 2026 · Q1b[1]
Calculate how many kibibytes (KiB) are equal to 3072 bytes.
See it on the paper → - 0478/12 · May/June 2026 · Q1b[1]
The smartwatch stores data that is displayed for the user. Identify the smallest unit of data that is stored by the smartwatch.
See it on the paper → - 0478/12 · May/June 2026 · Q6c(i)[1]
Give one advantage to the user of the app storing data in cloud storage instead of locally on the smartphone.
See it on the paper → - 0478/12 · May/June 2026 · Q6c(ii)[2]
Give two disadvantages to the user of the app storing data in cloud storage instead of locally on the smartphone.
See it on the paper → - 0478/12 · February/March 2026 · Q1a[1]
Tick (✓) one box to show which statement about data storage is correct. A One bit equals four nibbles. B One byte equals 16 bits. C One exbibyte (EiB) equals 1024 × 1024 tebibytes (TiB).
See it on the paper → - 0478/11 · May/June 2025 · Q1a[1]
Tick (3) one box to show the smallest data storage unit. A byte B gibibyte (GiB) C kibibyte (KiB)
See it on the paper → - 0478/11 · May/June 2025 · Q1b[1]
State how many tebibytes (TiB) are equal to 2 pebibytes (PiB).
See it on the paper → - 0478/12 · May/June 2025 · Q2b(ii)[1]
State the number of nibbles in 1 byte.
See it on the paper → - 0478/12 · February/March 2025 · Q2b[2]
Describe the relationship between the resolution of the image and the file size of the image.
See it on the paper → - 0478/11 · October/November 2024 · Q1a[1]
one box to show which of these is not a unit of measurement for a file.
See it on the paper → - 0478/13 · October/November 2024 · Q1a[1]
Tick (✓) one box to show which of the following is the largest unit of data storage. A tebibyte (TiB) B pebibyte (PiB) C mebibyte (MiB)
See it on the paper → - 0478/11 · May/June 2024 · Q3d[1]
State how many bytes there are in a kibibyte (KiB).
See it on the paper → - 0478/12 · May/June 2024 · Q1a[1]
Give the name of the data storage measurement that is equal to 8 bits.
See it on the paper → - 0478/13 · May/June 2024 · Q1b[1]
State how many kibibytes (KiB) there are in 2 mebibytes (MiB).
See it on the paper → - 0478/13 · May/June 2024 · Q1c[1]
Identify the unit of data that is equal to 4 bits.
See it on the paper → - 0478/13 · October/November 2023 · Q7a[1]
State what is meant by the image resolution.
See it on the paper → - 0478/13 · October/November 2023 · Q7b[1]
State what is meant by the image colour depth.
See it on the paper → - 0478/13 · October/November 2023 · Q7c[1]
Give one benefit of increasing the colour depth of the image.
See it on the paper → - 0478/13 · October/November 2023 · Q9a[5]
The table contains statements about secondary storage. Complete the table by writing the type of secondary storage that applies to each statement. Some types of secondary storage may apply to more than one statement. Type of secondary storage Statement data is stored using pits and lands data is stored using control ga...
See it on the paper →
What examiners said
Comprehensive responses • Many candidates correctly identified the solution. Limited responses • Some candidates ticked incorrect options, commonly the first and last answers.
— Examiner report, February/March 2026, 0478/12 Q1(a) (Cambridge)
Many candidates were able to identify the correct data storage unit. The most common incorrect answer given was ‘byte’.
— Examiner report, May/June 2025, 0478/11 Q1(a) (Cambridge)
Some candidates were able to give the correct number of tebibytes. Some candidates attempted to multiply 1024 by 1024 instead of multiplying it by 2.
— Examiner report, May/June 2025, 0478/11 Q1(b) (Cambridge)
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