Computer Science for IGCSE & O level - Data Representation (Section 2 - No. 1)
What does the 'digital' in 'digital audio' or 'digital image' refer to?
The use of analog signals
The use of continuous data
The representation of data using discrete values
The use of compression techniques.
คำอธิบาย
Digital means representing information as discrete numerical values rather than continuous analog signals.