Quiz: Bit Depth - Impact on Quality and File Size
OCR GCSE J277 Computer Science specification
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Welcome! You've been learning about how computers store data like images and sound. In this quiz, we'll test your understanding of **bit depth** and how it affects file size and quality. Let's get started!
What does bit depth represent in digital sound?
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Which of the following statements about bit depth are true? (Select all that apply)
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Bit depth affects the {{blank0}} range of a sound recording. Higher bit depth means more {{blank1}} audio quality.
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Match the items on the left with their correct pairs on the right
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A 5-second audio file has a sample rate of 44,100 Hz and a bit depth of 16 bits. What is the file size in bits?
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What happens to the quality of a sound file when a higher bit depth is used?
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Match the items on the left with their correct pairs on the right
Which factors affect the size of a sound file? (Select all that apply)
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A bit depth of 8 bits allows for {{blank0}} levels of volume, while a bit depth of 16 bits allows for {{blank1}} levels.
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Why does increasing the bit depth improve sound quality?
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