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WorksheetsAnalog Electronics Internal-I
Total questions: 20
Worksheet time: 24mins
The process of exchanging information is known as:
modulation
demodulation
communication
detection
This image indicates which type of communication?
Non-verbal Communication
Verbal Communication
Terrestrial Communication
None of these
It is a continuous wave that keeps on changing over a time period
(a)
This is an example of this type of Communication?
Simplex
Duplex
Half duplex
Half simplex
Draw the block diagram of Communication system
(a) is undesired signal
Data transmitted for a given amount of time is called
Noise
Power
Bandwidth
Frequency
Following signal is considered as
Continuous signal
Non-continuous signal
Analog signal
Unwanted signal
Medium which carries information from source to receiver is called…
Channel
Transmitter
Loudspeaker
Transducer
The system which can transmit or receive but not simultaneously is…… (a) (b) (c) (d) None
Half simplex
Half Duplex
Full Duplex
Simplex
The information to be communicated in data transmission system is also called as
message
medium
protocol
transmission
It recieves ______ waves
Radio waves
UV rays
IR waves
Gamma Rays
Where on the electromagnetic spectrum is visible light found?
between radio waves and microwaves
between X-rays and gamma rays
between x-rays and UV rays
between infrared rays and UV rays
Signal-to-Noise ratio is calculated as:
first add the signal power to the noise power, then divide by noise power
Voltage power divided by Current power
signal power divided by noise power
signal voltage divided by noise voltage
A complete communication system must include:
a transmitter, a receiver, and a channel
a transmitter, a receiver, and a spectrum analyzer
a multiplexer, a demultiplexer, and a channel
a transmitter and receiver
A baseband signal can be transmitted over a pair of wires like
coaxial cable
telephone
optical fibers
All of the above
Extremely low frequencies (ELF)are
3Hz to 3 KHz
300Hz to 30MHz
30MHz to 3 GHz
30-300Hz
Above is an example of Internal Noise
Extraterrestrial noise
Atmospheric noise
Industrial noise
Thermal agitation noise
Types of Modulation are
Phase
frequency
Amplitude
All of these
__________________, these waves are used in Microwave Oven
Radio waves
IR waves
Microwave Waves
Visible Rays
