A podcast producer records a voice-over using a computer and a digital microphone.
Select one description that correctly defines how sound waves are sampled.
The wavelength of the analogue sound wave is measured at set intervals.
The frequency of the digital audio wave is measured several times a second.
The amplitude of the analogue sound wave is measured at regular intervals.
The bit depth of the sound wave is multiplied by the frequency of the wave at regular intervals.
41 exam-style questions on OCR GCSE Computer Science Data storage. Each one has a worked solution and a mark scheme showing where the marks go.