original: in conceptual summary , a digital signal is a quantized discrete-time signal ; a discrete-time signal is a sampled analog signal .
simplifications: in idea-based summary , a digital signal is a quantized separate-time signal ; a separate-time signal is a sampled analog signal . a digitial signal is a quantized discrete-time signal , a discrete time signal is a sampled analog signal . in conceptual summary , a digital signal is a quantized discrete-time signal ; a discrete-time signal is a sampled analog signal . in conceptual summary , a digital signal is a quantized discrete-time signal ; a discrete-time signal is a sampled analog signal . in concept summary , a digital signal is a sampled calculator signal . in conceptual summary , a digital signal is a quantized discrete-time signal ; a discrete-time signal is a sampled analog signal . in theory , a digital signal is a timed signal . a discrete time signal is non-digital . a digital signal is a quantized discrete-time signal which , in turn is made of a sampled analog signal .