Modulation and Demodulation MCQs with answers in PDF format for electrical students. This includes Amplitude Modulation Questions and Answers PDF, Modulation and Demodulation MCQs PDF, and specific MCQs on Amplitude Modulation.
What is modulation ?
A. It is a process of converting data into analog signals optimized for transmission
B. It is a process of converting data into electrical signals optimized for transmission
C. It is a signal
D. None of themModulation is of ____ types.
A. Pulse modulation
B. Analog modulation
C. Digital modulation
D. All the aboveA signal can be in which form ?
A. Speech
B. Audio
C. Video
D. All the aboveA signal is a ____ that carries data from one network to another.
A. Electrical current
B. Electronic sign
C. Electromagnetic
D. None of themA coaxial cable is also called:
A. Bi cable
B. Coax
C. Electric cable
D. Both b and cWhich of the following are the demodulators?
A. Telephone line
B. Optical fiber
C. Coaxial cable
D. All the aboveWhich of the following are the demodulators ?
A. Receivers
B. Modems
C. Radio receivers
D. All the aboveWhich of the following is the form of video signal ?
A. Recording
B. Broadcasting
C. Visual media display
D. All the aboveWhich of the following is the frequency of audio signal ?
A. 20 to 20000Hz
B. 30 to 3000Hz
C. 20 to 20000Hz
D. 200 to 20000HzAudio signal is represented in form of:
A. Sound
B. Heat
C. Light
D. All the above