WCM Chapter 2
Quiz
•
Professional Development
•
12th Grade
•
Practice Problem
•
Medium
ALAIN Cheong
Used 13+ times
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52 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sine waves have a pure sound because they consist of energy at only _______ frequency.
two
half
three
one
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Nyquist Rate for 80 kHz signal frequency
240 kHz
80 kHz
160 kHz
40 kHz
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distance travelled by a wave during the time of one cycle is called the ____________.
Wavelength
Frequency
Amplitude
Period
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one does not belong to Analogue to PCM conversion
Sampling
Signaling
Encoding
Quantization
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In 'Unipolar Encoding', a Positive voltage represents ________, and Zero voltage indicates a __________
0, 0
1, 1
0, 1
1, 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In 'Manchester' line coding, there is a transistion at ____________________.
start & end of each bit period.
middle of each bit period
start of each bit period.
end of each bit period
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An analogue signal carries 4 bits in each signal element. If 1000 signal elements are sent per second, find the 'Baud Rate'.
1000 bauds per second
2000 bauds per second
4000 bauds per second
3000 bauds per second
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