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.
- Try this questionQuestion 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.
- Try this questionQuestion 1Oct/Nov 2025, paper 11Structured7 marks
Convert the binary number into hexadecimal. 101100111010
- Try this questionQuestion 1Oct/Nov 2024, paper 11Structured7 marks
State one difference between a tebibyte and a gigabyte.
- Try this questionQuestion 3Oct/Nov 2023, paper 12Structured6 marks
State one difference between a kibibyte and a megabyte.
- Try this questionQuestion 5May/June 2026, paper 12Structured7 marks
Complete the table by calculating the missing values.
- Try this questionQuestion 7Oct/Nov 2025, paper 12Structured4 marks
The following binary addition is performed using 8‑bit registers. Complete the calculation using binary addition.
- Try this questionQuestion 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.
- Try this questionQuestion 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.
- Try this questionQuestion 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).
- Try this questionQuestion 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.
- Try this questionQuestion 8Oct/Nov 2024, paper 13Structured6 marks
Convert the hexadecimal number 1FAB into denary. Working Denary value
- Try this questionQuestion 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.
- Try this questionQuestion 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.
- Try this questionQuestion 7May/June 2024, paper 11Structured3 marks
Complete the binary addition.
- Try this questionQuestion 7May/June 2023, paper 13Structured9 marks
A computer stores data in binary form. Draw one line from each description to its matching denary value.
- Try this questionQuestion 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.
- Try this questionQuestion 7May/June 2024, paper 12Structured6 marks
A computer stores binary data. Tick (✓) one box only to identify the largest file size.
- Try this questionQuestion 2May/June 2025, paper 12Structured7 marks
Convert the denary integer 558 into 12-bit binary and hexadecimal. Binary .......................................................................................................................................
- Try this questionQuestion 1May/June 2024, paper 13Structured9 marks
Complete the following description.
- Try this questionQuestion 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.
- Try this questionQuestion 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






