The Digital Storage of Sound (2 marks)
Explain what is meant by ‘digital storage of sound’ and the role of binary data in this process.
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Questions
Bit Depth, Storage and Quality (2 marks)
Discuss the impact of increasing the bit depth on the storage requirements and the quality of sound.
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Sampling Rate Definition (2 marks)
Define what is meant by ‘sampling rate’ and how it relates to digital sound.
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Sampling Rates and Sound Quality (2 marks)
Explain why different sampling rates affect the quality of sound in digital audio recordings.
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The Impact of High-Resolution and High-Colour-Depth Images in a Website (4 marks)
Discuss the trade-offs between using high-resolution, high-colour-depth images in a website, considering factors such as user experience, bandwidth, and storage.
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Resolution, Colour Depth and Image Quality (3 marks)
Describe how increasing resolution and colour depth of graphics can have contrasting effects on the file size and image quality.
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Image File Calculation (3 marks)
A graphic image has a resolution of 800 x 600 pixels and a colour depth of 24 bits. Calculate the storage requirements for this image in bits and in megabytes (1 byte = 8 bits, 1 MB = 1024² bytes).
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Colour Depth and Image Quality (2 marks)
Explain how colour depth impacts the quality of a digital graphic image. Include in your explanation what is meant by colour depth.
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Standardised Character Sets (3 marks)
Describe three advantages of using standardised character sets in digital storage.
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Unicode and International Software Development (2 marks)
Explain why Unicode is necessary for international software development.
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