Q. In pulse modulation of analog signals, common pulse system employed are
A) Pulse amplitude modulation (PAM)
B) Pulse position and pulse duration modulation (PPM and PDM)
C) Pulse code modulation (PCM)
D) All of the above
Explanation
(d) All the four pulse systems are employed in pulse modulation
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.