A discrete time signal may be
1) Samples of a continuous signal
2) A time series which is a domain of integers
3) Time series of sequence of quantities
4) Amplitude modulated wave
A. 1, 2 and 3 are correct
B. 1 and 2 are correct
C. 1 and 3 are correct
D. All the four are correct
Related Questions on Digital Signal Processing Test Questions
The interface between an analog signal and a digital processor is
A. D/A converter
B. A/D converter
C. Modulator
D. Demodulator
The speech signal is obtained after
A. Analog to digital conversion
B. Digital to analog conversion
C. Modulation
D. Quantization
Telegraph signals are examples of
A. Digital signals
B. Analog signals
C. Impulse signals
D. Pulse train
A. 1, 2 and 3 are correct
B. 1 and 2 are correct
C. 1, 2 and 4 are correct
D. All the four are correct
A. 1, 2 and 3 are correct
B. 1 and 2 are correct
C. 1 and 3 are correct
D. All the four are correct