A clinical engineer is calibrating a high-precision digital phonocardiograph to record and analyse neonatal heart murmurs.
State one acoustic or signal-processing advantage of digitising these audio signals using a sample resolution (bit depth) of 24 bits per sample rather than 16 bits per sample.
40 exam-style questions on Edexcel GCSE Computer Science Data representation, covering Encoding characters with 7-bit ASCII, Representing bitmap images in binary, Representing analogue sound in binary, and Limitations of binary representation. Each one has a worked solution and a mark scheme showing where the marks go.