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Digital signals...

Digital signals

A

do not provide a continuous set of values

B

utilises binary systems

C

ensures error and noise free comunication

D

All of the above

Text Solution

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The correct Answer is:
D
All are correct .
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COMMUNICATION SYSTEM-Exercise 1
  1. Audio signal cannot be transmitted because

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  2. Major parts of communications systems are:

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  3. Digital signals

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  4. The mobile telephones operate typically in the range of

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  5. The number of telephonic messages which are carried by a fibre at an i...

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  6. Basic components of a transmitter are:

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  7. In a video signal for transmission of picture. What value of bandwidth...

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  8. Range of frequencies allotted for commercial UHF TV broadcast is

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  9. The ratio waves of frequency 300 MHz to 3000 MHz belong to

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  10. If electron density of the layer of inosphere is 10 xx 10^(11) and ...

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  11. If the critical frequency for sky wave propagation is 12 MHz , then th...

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  12. The sky wave propagation is suitable for radiowaves of frequency

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  13. A signal emitted by an antenna from a certain point can be received at...

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  14. Which of the following frequencies will be suitable for beyond the hor...

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  15. Is it necessary for a transmitting antenna to be at the same height as...

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  16. When electromagnetic waves enter the ionised layer of ionosphere, then...

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  17. Name the type of waves which are used for line of sight (LOS) communic...

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  18. In space communcation , the information can be passed from on place ...

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  19. What fraction of the surface area of earth can be covered to estab...

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  20. Beyond which frequency, the ionosphere bends any incident electromagne...

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