Which one of the following converts a continuous signal to a train of pulses?
1. PAM
2. PPM
3. FM
4. AM
5. PWM
1
1 and 3 only
2
2 and 4 only
3
3 and 5 only
4
1, 2 and 5 only
Which one of the following converts a continuous signal to a train of pulses?
1. PAM
2. PPM
3. FM
4. AM
5. PWM