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Aqa Sample Gcse Paper (GCSE Computing)
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If a digital sound sample uses a sample rate of 44.1 kHz and 16-bit depth in mono for 10 seconds, what is the approximate uncompressed file size in bytes? (Use bytes = sample rate × bit depth/8 × seconds)
What is the main difference between lossy and lossless compression?
In computing, what does CPU stand for?
What is the hexadecimal digit equivalent of decimal 255?
What is the purpose of an IP address?
How many bytes are there in 3 megabytes (MB) when using the common binary definition where 1 MB = 1024 × 1024 bytes?
Which of the following best describes a function (or subroutine) in programming?
Which of the following is an example of secondary storage?
What is the main ethical concern with data mining personal information?
Which search algorithm requires the data to be sorted before it can be used effectively?
What is the correct sequence for the fetch-decode-execute cycle?
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