Examen
AQA A LEVEL COMPUTER SCIENCE 7517/2 PAPER 2 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
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A sound is sampled and recorded digitally. The sound is sampled at a rate of 48 000 samples per second (Hz) for 3 minutes using a 16-bit sample resolution. Calculate the size of the digital recording, giving your answer in mebibytes. Give your answer rounded to 2 decimal places. You should show your working. [2 marks] Answer mebibytes 0 1 . 2 The highest frequency component in a different sound is 15 000 Hz. What is the minimum sampling rate that should be used when recording this sound to ensure that all the frequencies in the original waveform are preserved, so that when the recording is played back the original sound is recreated accurately
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AQA A LEVEL COMPUTER SCIENCE
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AQA A LEVEL COMPUTER SCIENCE
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- Institución
- AQA A LEVEL COMPUTER SCIENCE
- Grado
- AQA A LEVEL COMPUTER SCIENCE
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- Subido en
- 25 de febrero de 2024
- Número de páginas
- 73
- Escrito en
- 2023/2024
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aqa a level computer science
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