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# CS601 Online Quiz No 02 Solution & Discussion Last Date:17-12-2014

CS601 Online Quiz No 02 Solution & Discussion Last Date:17-12-2014

CS601 - Data Communication  Online Quiz 2 Solution Fall 2014 of Virtual University (VU)

Dear Students

This is to inform that quiz 02 will be opened on 16th December, 2014 and last date to attempt quiz will be 17th  December, 2014.

Instructions:

• You can start attempting the quiz at any time but within given date(s) by clicking the quick link for Quiz on VU-LMS as it will become enabled within the mentioned dates.  As soon as the time will be over, it will automatically be disabled and will not be available to attempt it.

Views: 1716

### Replies to This Discussion

Please all students related this subject Share your online Quizzes here to help each other.thanks

Please share the question and their answers of this quiz if anyone has done.
Thanks.

Cs 601 quiz.

1)      Signals can be ________. Either analog or digital.

2)      The last process in PCM is _________ digital data into digital signal. Encoding

3)      In synchronous transmission the ___________ separates that string into the bytes or characters it need to reconstruct the information. Receiver

4)      _______ describes the position of the waveform relative to time 0.phase

5)      The accuracy of any digital reproduction of an analog signal depends upon the number of _____ are taken.

6)      Before data can be transmitted, they must be transformed to ________. electromagnetic signals

7)      Analog To Analog Conversion Methods include ______.

8)      Bit duration is the period of time that defines ___________bit.

5) The accuracy of any digital reproduction of an analog signal depends upon the o. of samples taken. (Page 82)
7) Analog To Analog Conversion Methods include Modulation. (page 95)
8) Bit duration is the period of time that defines one bit. (page 86)

My Today's Quiz (BC090200975)

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 1 of 10 ( Start time: 08:00:53 PM )     Total Marks: 1
Bit duration is the period of time that defines ___________bit.
Select correct option:
2
1(ans)
3
4

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 2 of 10 ( Start time: 08:02:47 PM )     Total Marks: 1
As period increases, the frequency ________.
Select correct option:
decreases(ans)
increases
remains the same
changes

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 3 of 10 ( Start time: 08:04:15 PM )     Total Marks: 1
Which of the following is most affected by noise?
Select correct option:
PSK
FSK
QAM

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 4 of 10 ( Start time: 08:06:20 PM )     Total Marks: 1
If the available channel is a ____ channel, we cannot send a digital signal directly to the channel.
Select correct option:
low pass
band pass(ans)
high rate
low rate

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 5 of 10 ( Start time: 08:06:57 PM )     Total Marks: 1
________is the rate of change with respect to time.
Select correct option:
Voltage
Time
Frequency(ans)
Amplitude

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 6 of 10 ( Start time: 08:07:25 PM )     Total Marks: 1
Each time eight 0’s occur , _____ introduces changes in pattern based on polarity of previous 1 (the ‘1’ occurring just before zeros)
Select correct option:
RZ
HDB3
B8ZS(ans)
AMI

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 7 of 10 ( Start time: 08:09:14 PM )     Total Marks: 1
Following characteristics fully describe ______________ Amplitude Period/ Frequency Phase
Select correct option:
Sine Waves(ans)
Digital Signals
Aperiodic Signals
None of the given

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 8 of 10 ( Start time: 08:10:57 PM )     Total Marks: 1
Asynchronous transmission is ___________
Select correct option:
Slow(ans)
Fast
Costly
None effective

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 9 of 10 ( Start time: 08:12:12 PM )     Total Marks: 1
_______ requires 2 signal changes to represent binary 0 but only one to represent binary 1.
Select correct option:
NRZ-I
RZ
Manchester
Differential Manchester(ans)

Quiz Start Time: 08:00 PM     Time Left     90sec(s)
Question # 10 of 10 ( Start time: 08:14:17 PM )     Total Marks: 1
In a time-domain plot, the horizontal axis is a measure of ________.
Select correct option:
Phase
Signal Amplitude
Frequency
Time(ans)

plzzzzzzzzzzzzz share coming soon mid paper.

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