MCQs on Analog And Digital Communication
01․ FM stands for
In telecommunications and signal processing, frequency modulation (FM) conveys information over a carrier wave by varying its instantaneous frequency. This contrasts with amplitude modulation, in which the amplitude of the carrier is varied while its frequency remains constant.
02․ Purely mechanical instrument cannot be used for dynamic measurements because they have
Mechanical instruments are unable to response rapidly to the measurement of dynamic conditions due to the fact that they have moving parts that are rigid, heavy and bulky and consequently have a large mass and they take large response time. Mass presents inertia problems and hence these instrument can not faithfully follow the rapid changes which are involved in dynamic instrument.
03․ Speed of data transmission in 4-G network of telecom is
Speed of data transmission in 4G network of telecom is from 100 mbps to 1 gbps.
04․ A sinusoidal signal is analog signal, because
Analog signal is a continuous signal and digital signal is a discrete signal. A sinusoidal signal is a continuous signal with respect to time. Therefore, sinusoidal signal is a analog signal.1