Question
a.
Laser beam for both recording and playback
b.
Laser beam for recording and video head for playback
c.
Video head for recording and laser beam for playback
d.
None of the above
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. DVD uses
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. Fourier analysis indicate that a square wave can be represented as
View solution
Q. The characteristic impedance of a twin wire feeder used for TV signals is about
View solution
Q. In a FM receiver, amplitude limiter
View solution
Q. A buffer amplifier is
View solution
Q. Leak type bias is used in plate modulated class C amplifier to
View solution
Q. The direction of rotation of a CD is
View solution
Q. Which of the following is not considered as a useful quantity in comparing noise performance of receivers?
View solution
Q. Oscillator crystal is made of
View solution
Q. An FM signal has modulating frequency fm and maximum frequency deviation of δ. The bandwidth will be nearly equal to
View solution
Q. In a cellular communication system, path loss between transmitter and receiver is due to
View solution
Q. Full duplex operation-permits transmission in both directions at the same time.
View solution
Q. In a TV receiver antenna the length of reflector rod
View solution
Q. The modulation index of an FM is changed from 0 to 1. How does the transmitted power change?
View solution
Q. For AM receivers the standard IF frequency is
View solution
Q. For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
View solution
Q. In TV systems, equalising pulses are sent during
View solution
Q. A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is
View solution
Q. The main function of a balanced modulator is to
View solution
Q. FM transmitting and receiving equipment as compared to AM equipment is
View solution
Q. An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 10⁶ Hz. The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
