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Which of the following is used for Web performance management and loadtesting?
B. webmetrics
B. webmetrics
See lessPAM stands for
C. pulse amplitude modulation
C. pulse amplitude modulation
See less_________ refers to all these factors that disrupt the communication.
B. noise
B. noise
See lessA 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
B. 15
B. 15
See lessIn TV systems, equalising pulses are sent during
A. horizontal blanking
A. horizontal blanking
See lessFor a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
C. 4e
C. 4e
See lessFor AM receivers the standard IF frequency is
B. 455 khz
B. 455 khz
See lessThe modulation index of an FM is changed from 0 to 1. How does the transmitted power change?
C. gets increased by 50 percent
C. gets increased by 50 percent
See lessIn a TV receiver antenna the length of reflector rod
C. is more than that of dipole
C. is more than that of dipole
See lessOne of the advantages of base modulation over collector modulation of a transistor class C amplifier is
D. the lower modulating power requirement
D. the lower modulating power requirement
See less