A carrier wave is transmitted using _____ type of waves ?
A. Radio
B. Light
C. Light
D. All the above
Modulation and Demodulation
A carrier wave has _____ quantity of frequency ?
A. Infinity
B. High
C. Low
D. Zero
A high frequency EM wave is called ____ ?
A. Message
B. Carrier signal
C. Carrier
D. Both b and c
A demodulator extracts data in ______ fashion from carrier wave ?
A. Concurrently
B. Serial
C. Parallel
D. All the above
___ is used to extract data from carrier wave ?
A. Amplifier
B. Modulator
C. Demodulator
D. All the above
An analog signal is represented in the form of:
A. Sound
B. Audio
C. Video
D. All the above
A binary data is represented in the form of:
A. ABC
B. 0’s
C. 1’s
D. Both b and c
The output obtained from demodulator are in the form of:
A. Binary data
B. Analog audio signal
C. Analog video signal
D. All the above
A device that performs modulation is called:
A. Demodulator
B. Amplifier
C. Modulator
D. All the above
In software terminology a demodulator is ___ ?
A. Hardware design
B. Computer program
C. Software
D. Both b and c