Week 2
Authored by Omar Salih
Engineering
1st Grade
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A full duplex communications system can communicate in both directions but only in one direction at any one time.
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The shown system is full duplex.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A multiplexer changes the flow of the signal from parallel to series. True or False?
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pulse Modulation is _______.
A method of varying the amplitude, frequency, or phase of a pulse train.
A technique used to increase the bandwidth of a signal.
A process of converting analog signals to digital signals.
A method of reducing noise in communication systems.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The monitored triplex redundancy system in aircrafts can survive _______.
Failure of one component
Failure of two components
Complete system failure
No failure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A voice signal has frequencies between 5 kHz and 20 kHz. What is the bandwidth of this signal?
15 kHz
25 kHz
10 kHz
20 kHz
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A voice signal has frequencies between 5 kHz and 25 kHz. What is the bandwidth of the AM modulated signal of 30 MHz?
20 kHz
30 kHz
25 kHz
5 kHz
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
