Text, sound and images: past paper questions

Where the questions come from

• Question 8May/June 2026, paper 11Structured10 marks

  A student opens a document on their computer and inputs text. Explain how the computer represents the text.

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• Question 3Oct/Nov 2025, paper 11Structured11 marks

  A student has a portable device. He uses an on-screen keyboard to write messages to his friend.

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• Question 3Oct/Nov 2024, paper 11Structured11 marks

  A user enters text into a computer system, using a keyboard. An American standard code for information interchange (ASCII) character set is used to convert the text to binary. Identify one other character set that could be used to convert the text to binary.

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• Question 5Oct/Nov 2023, paper 11Structured14 marks

  A musician is recording herself playing the music for a song on the piano. Explain how the analogue sound is recorded and converted to digital.

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• Question 6May/June 2026, paper 12Structured10 marks

  A student has an application (app) on their smartphone that can be used to identify the name of a flower.

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• Question 5Oct/Nov 2025, paper 13Structured7 marks

  Text, images and sound are represented as binary to be processed by a computer. Complete the table by writing the missing terms and descriptions about representing text, images and sound as binary.

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• Question 2Oct/Nov 2024, paper 12Structured7 marks

  Data storage can be measured using different units of measurement. Identify the name of the smallest unit of measurement of data.

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• Question 5Oct/Nov 2023, paper 12Structured5 marks

  A band is recording their new song. They need to consider the sample rate and sample resolution of their recording. Give one benefit of using a higher sample rate to record the song.

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• Question 3May/June 2025, paper 11Structured4 marks

  An image is converted to binary to be represented by a computer. Complete the table with the missing terms and definition about representing an image.

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• Question 1May/June 2024, paper 12Structured6 marks

  Data can be measured in bits. Give the name of the data storage measurement that is equal to 8 bits.

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• Question 7Oct/Nov 2023, paper 13Structured6 marks

  A photographer takes an image with a digital camera. The photographer sets the resolution and colour depth for the image. State what is meant by the image resolution.

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• Question 3May/June 2026, paper 13Structured14 marks

  A student is playing her piano. She uses her tablet computer to record the sound produced by the piano. The tablet computer has built-in input and output devices.

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• Question 2May/June 2024, paper 13Structured2 marks

  An image has a 16-bit colour depth and a resolution of 1000 × 1750 pixels. State what is meant by a 16-bit colour depth.

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• Question 2May/June 2023, paper 11Structured10 marks

  A student has a sound file that is too large to be stored on their external secondary storage device. The student compresses the sound file to make the file size smaller. The compression method used reduces the sample rate and the sample resolution of the sound file.

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• Question 1May/June 2025, paper 13Structured12 marks

  A student records himself singing a song for his music project. The recorded sound is converted to binary to be processed by a computer. Give one input device the student can use to record the song.

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• Question 3May/June 2023, paper 12Structured10 marks

  When keys are pressed on a keyboard, the text is converted to binary to be processed by the computer. Describe how the text is converted to binary to be processed by the computer.

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