Let's check your comprehension! Quiz Statistics and Answer Key

This quiz has been taken 197 times, 107 times on TurboFuture and 90 times on other sites.

Average score: 68%

Click on the links below to see statistics for each question:

What are the primary requirements for any receiver?
The correct answer is "selectivity and sensitivity"

Which one is considered as barrier of human communications?
The correct answer is "distance"

The unwanted electrical signals that can interefere with the information signal.
The correct answer is "noise"

Which of the following is a good communications channel?
The correct answer is "radio or free space"

All channels have the characteristics to__________the signals.
The correct answer is "attenuate"

Original information such as voice and video signals are also called as ______________
The correct answer is "baseband signal"

Which of the following is NOT a major communications channel?
The correct answer is "Water"

The original electrical information signal to be transmitted is called ________.
The correct answer is "baseband signal"

Which of the following is NOT a source of noise?
The correct answer is "Carrier signal"

Noise that comes from heavenly bodies that are powerful sources of radiation.
The correct answer is "Space Noise"