ATT test 7 Questions & Answers.pdf

ATT test 7




ATT test 7 Questions & Answers
Question 1
Name the 3 multivibrators whose purpose is to convert DC Energy to square wave
energy.
Correct Answer
1. Astable Multivibrator
2. Monostable Multivibrator
3. Bistable Multivibrator



Question 2
Converts DC operating voltage to square wave
Correct Answer
Multivibrator



Question 3
What type of blocking oscillator is a monostable Multivibrator?
Correct Answer
Trigger



Question 4
How is the output frequency determined in a bistable Multivibrator?
Correct Answer
The output frequency is one half the input trigger frequency.



Question 5
What is the purpose of a Schmitt trigger?
Correct Answer
To convert any input waveform of any shape and amplitude into square wave pulses
of constant amplitude.




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, ATT test 7




Question 6
In a Schmitt Trigger when is output high; when is output low?
Correct Answer
The output is high anytime the input exceeds the threshold.

The output is low anytime the input signal is below the threshold.



Question 7
The action of converting detected intelligence into sound waves that a human can
hear.
Correct Answer
Reproduction



Question 8
The action of separating the low frequency intelligence from the high frequency
carrier.
Correct Answer
Detection



Question 9
The ability of the receiver to isolate one station's frequency from the many
frequencies present at the antenna.
Correct Answer
Selection



Question 10
Occurs when a transmitted electromagnetic wave passes through the receiver's
antenna.

Correct Answer
Reception




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