A Level Computer Science 9618, topic 1.1

Data Representation: past paper questions

21 Cambridge A Level Computer Science 9618 questions on Data Representation (1.1) from 18 papers, 2023 to 2026. Open the paper or try a question free.

Practising builds a set from this topic, free with an account. One question opens straight away, with no account.

Questions
21
Papers
18
Years
2023 to 2026
Total marks
163
Average per question
7.8 marks
Largest question
17 marks

By type: Structured 21

How hard the questions are

  • Recall0
  • Apply11
  • Analyse10
  • Not banded0

Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.

Command words

  • convertApply13 questions
  • completeApply11 questions

    add information to an incomplete diagram or table

  • explainAnalyse8 questions

    set out purposes or reasons / make the relationships between things clear / say why and/or how and support with relevant evidence

  • showApply7 questions
  • stateRecall7 questions

    express in clear terms

  • identifyRecall5 questions

    name/select/recognise

  • describeApply4 questions

    state the points of a topic / give characteristics and main features

  • giveRecall4 questions

    produce an answer from a given source or recall/memory

  • drawApply3 questions

    draw a line to match a term with a description

  • justifyAnalyse2 questions

    support a case with evidence/argument

Where the questions come from

By year

  • 20263
  • 20258
  • 20246
  • 20234

By session

  • May/June13
  • Oct/Nov8

By paper

  • Paper 121

Questions on this topic

Showing 21 of 21, spread across the years. Open one to write your answer and have it marked.

  • Question 1May/June 2026, paper 11Structured12 marks

    A computer can store numbers and text in binary. The computer uses the UNICODE character set. Complete the table by calculating the missing values.

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  • Question 1Oct/Nov 2025, paper 11Structured7 marks

    Convert the binary number into hexadecimal. 101100111010

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  • Question 1Oct/Nov 2024, paper 11Structured7 marks

    State one difference between a tebibyte and a gigabyte.

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  • Question 3Oct/Nov 2023, paper 12Structured6 marks

    State one difference between a kibibyte and a megabyte.

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  • Question 5May/June 2026, paper 12Structured7 marks

    Complete the table by calculating the missing values.

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  • Question 7Oct/Nov 2025, paper 12Structured4 marks

    The following binary addition is performed using 8‑bit registers. Complete the calculation using binary addition.

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  • Question 6Oct/Nov 2024, paper 13Structured10 marks

    A computer system stores text, images and sound. A character set is used to represent characters in a computer. Identify and describe one character set.

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  • Question 3May/June 2023, paper 11Structured17 marks

    A computer has an Operating System (OS). Describe how the Operating System manages the peripheral hardware devices of the computer.

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  • Question 6May/June 2026, paper 13Structured8 marksHas a diagram

    Draw one or more lines to match each denary number with its equivalent unsigned binary, hexadecimal or Binary Coded Decimal (BCD) value(s).

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  • Question 1Oct/Nov 2025, paper 13Structured7 marksHas a diagram

    A student creates sound recordings. Making changes to a sound recording may impact the accuracy of the resulting sound file or the size of the file. Draw two lines from each change to the impacts it has on the sound file.

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  • Question 8Oct/Nov 2024, paper 13Structured6 marks

    Convert the hexadecimal number 1FAB into denary. Working Denary value

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  • Question 4May/June 2023, paper 12Structured6 marks

    Data in a computer is stored in binary form. State the number of unique binary values that can be represented in 16 bits.

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  • Question 2Oct/Nov 2025, paper 13Structured6 marks

    Data in a computer system is represented in binary. Put one tick (✓) in each row to identify the minimum number of bits used to store each example of data.

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  • Question 7May/June 2024, paper 11Structured3 marks

    Complete the binary addition.

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  • Question 7May/June 2023, paper 13Structured9 marks

    A computer stores data in binary form. Draw one line from each description to its matching denary value.

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  • Question 3May/June 2025, paper 11Structured7 marks

    A computer stores images and text files. One of the images is a bitmapped image. Complete the table by writing the answer for each statement.

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  • Question 7May/June 2024, paper 12Structured6 marks

    A computer stores binary data. Tick (✓) one box only to identify the largest file size.

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  • Question 2May/June 2025, paper 12Structured7 marks

    Convert the denary integer 558 into 12-bit binary and hexadecimal. Binary .......................................................................................................................................

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  • Question 1May/June 2024, paper 13Structured9 marks

    Complete the following description.

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  • Question 1May/June 2025, paper 13Structured14 marks

    A student paints a picture in an art class. The student takes a photograph of the picture using a digital camera. The digital camera creates an image with a resolution of 2 million pixels and uses a bit depth of 16 bits.

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  • Question 7May/June 2025, paper 13Structured5 marks

    A computer can perform logical and arithmetic shifts. Show the result of a logical left shift of 2 places on the two's complement binary integer 11001010

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