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QUIZ CS601

 

Q No 1:

What is the Bandwidth of a periodic signal if it is decomposed into 4 sine waves with frequencies 200, 400, 600 and 800. 

Select correct option: 

 

 100

 500

 300

 600

 

 

 2.  Given two sine waves A and B, if the frequency of A is twice that of B, then the period of B is ________ that of A. 

Select correct option: 

 

 twice

 same

 quater

 half

 

 

3. ___________ can be measured by measuring the vertical distance from a given point on the wave form to the horizontal axis. 

Select correct option: 

  Phase

 Amplitude

 Frequency

 Time

  

4. Digital signals are refers to be 

Select correct option: 

 

 Continuous

 Discrete

 Aperiodic

 Periodic

 

5. Following characteristics fully describe ______________ Amplitude Period/ Frequency Phase 

Select correct option: 

 

 Sine Waves

 Digital Signals

 Aperiodic Signals

 None of the given

 

 

 6. What is the bandwidth of a signal that ranges from 1 MHz to 4 MHz? 

Select correct option: 

 

 1 KHz

 5 MHz

 3 MHz

 4 MHz

 

 

  7.   Frequency domain plot shows relationship between ________ 

Select correct option: 

 

 Frequency and time

 Frequency and amplitude

 Amplitude and time

 None of above

 

 

8. There are ________ types of digital to analog modulation. 

Select correct option: 

 

 2

 3

 4

 5

 

9. A sine wave in the ______ domain can be represented by one single spike in the _____ domain. 

Select correct option: 

 

 time; phase

 

 frequency; time

 

 time; frequency

 

 phase; time

 

 

 

10. Bipolar encoding has _______ categories 

Select correct option: 

 

 Two

 Three

 Four

 Five

 

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