PYC4812 FINAL PAPER UPDATED
COMPLETE QUESTIONS AND CORRECT
ANSWERS BUNDLED REVIEW GUIDE
●● transmitting medium
Answer: The means by which the signal travels from transmitter to
receiver
●● receiver
Answer: Extracts the information from the signal sent by the transmitter
and reproduces it in a usable form
●● Types of transmitting mediums
Answer: Free space, transmission lines, waveguides, optical fibers
●● Audio Frequency
Answer: Any frequency audible to the human ear 20Hz to 20kHz
●● Radio frequency
Answer: Frequency of electromagnetic energy 30Hz to 30kHz
●● carrier frequency
, Answer: Any electromagnetic frequency that can be modulated to
transmit information
●● Modulation
Answer: Modification of signal to carry information
●● amplitude modulation
Answer: Method of varying the amplitude of a signal to transmit
information
●● Detection
Answer: Process of extracting information from a signal
●● frequency modulation
Answer: Method of varying the frequency of a signal to transmit
information
●● Continuous wave modulation
Answer: Interrupting a continuous RF carrier to communicate like
Morse code
●● Very Low Frequency (VLF)
Answer: Fleet communications or navigation 3 KHZ - 30 KHz
COMPLETE QUESTIONS AND CORRECT
ANSWERS BUNDLED REVIEW GUIDE
●● transmitting medium
Answer: The means by which the signal travels from transmitter to
receiver
●● receiver
Answer: Extracts the information from the signal sent by the transmitter
and reproduces it in a usable form
●● Types of transmitting mediums
Answer: Free space, transmission lines, waveguides, optical fibers
●● Audio Frequency
Answer: Any frequency audible to the human ear 20Hz to 20kHz
●● Radio frequency
Answer: Frequency of electromagnetic energy 30Hz to 30kHz
●● carrier frequency
, Answer: Any electromagnetic frequency that can be modulated to
transmit information
●● Modulation
Answer: Modification of signal to carry information
●● amplitude modulation
Answer: Method of varying the amplitude of a signal to transmit
information
●● Detection
Answer: Process of extracting information from a signal
●● frequency modulation
Answer: Method of varying the frequency of a signal to transmit
information
●● Continuous wave modulation
Answer: Interrupting a continuous RF carrier to communicate like
Morse code
●● Very Low Frequency (VLF)
Answer: Fleet communications or navigation 3 KHZ - 30 KHz