18 Questions
What is the primary advantage of using analog signals?
Analog signals are better suited for transmitting audio and video data.
Which of the following statements about analog signals is true?
Analog signals have a higher information density than digital signals.
What is the primary disadvantage of using analog signals?
Analog signals are more susceptible to noise and distortion.
Which of the following is an example of an analog signal?
Human voice
What is the primary advantage of using digital signals over analog signals?
Digital signals are less susceptible to noise and distortion.
Which of the following frequency ranges is associated with AM radio, an analog signal?
540 kHz to 1600 kHz
What is a disadvantage of using digital signals in communication systems compared to analog signals?
Higher power dissipation
What is a characteristic of Full Duplex (FDX) transmission in digital communication?
Both parties can transmit simultaneously
What distinguishes Half Duplex (HDX) transmission from Full Duplex (FDX) transmission?
Only one party can transmit at a time
Why do digital systems typically require a higher bandwidth for communication compared to analog systems?
More accurate error detection
How are digital signals advantageous over analog signals when it comes to storage?
They can be stored using semiconductor chips
What is a characteristic of Simplex (SX) mode of transmission in digital communication?
Unidirectional communication
Which of the following is NOT a disadvantage of using analog signals and analog signal processing?
Analog signals have higher immunity to noise and distortion compared to digital signals
In digital communication, what is the original information converted into before being transmitted?
A string of bits (digital information)
Which of the following is an example of an analog signal source?
Output of a microphone
What is a character in the context of digital communication?
A member of an alphanumeric/symbol set (A to Z, 0 to 9)
Which of the following is used to map characters into a sequence of binary digits?
Both ASCII and EBCDIC
What is the primary difference between analog and digital signals?
Digital signals are continuous, while analog signals are non-continuous
Test your knowledge on analog signals and how they are used to transfer information through various mediums. Learn about sine waves, noise, and distortion that analog signals may experience during transmission from transmitter to receiver.
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