Home
Class 11
PHYSICS
A modem is a...

A modem is a

A

modulating device only .

B

demodulating device only

C

modulating and demodulating device.

D

transmitting device.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Evaluation Test|15 Videos
  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Critical Thinking|34 Videos
  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

A modem is connected to

What is Modem in a computer system?

Modem is a device used for

The first modem birds appeared during the :-

Modem is used to

Assertion:- In modem microspore multicomponent lenses are used for both objective and eye piece. Reason:- Multicomponent lenses increase the magnification.

What was the most significant trend in the evolution of modem man (Homo sapiens) from his ancestors?

TARGET PUBLICATION-COMMUNICATION SYSTEMS-Competitive Thinking
  1. The distance of coverage of a transmitting antenna is 12 . 8 km . Then...

    Text Solution

    |

  2. If a transmitting antenna of height 105 m is placed on a hill, then it...

    Text Solution

    |

  3. A ratio has a power of 1 kW and is operating at a frequency of 10 GHz ...

    Text Solution

    |

  4. Height of T .V . Tower is h(T) . The area of transmission of T . V . W...

    Text Solution

    |

  5. In an amplitude modulated wave for audio frequency of 500 "cycle"//sec...

    Text Solution

    |

  6. A modem is a

    Text Solution

    |

  7. The electromagnetic wave of frequency 3 MHz to 30 MHz are

    Text Solution

    |

  8. In which frequency range, space waves are normally propagated?

    Text Solution

    |

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

    Text Solution

    |

  10. The ionosphere is used for the propagation of

    Text Solution

    |

  11. The maximum frequency of transmitted radio waves above which the radio...

    Text Solution

    |

  12. For sky wave propagation of a 10 MHz signal, what should be the minimu...

    Text Solution

    |

  13. A sky wave with a frequency 55 MHz is incidnet on D-region of earth's ...

    Text Solution

    |

  14. A diode detector is used to detect an amplitude modulated wave of 60% ...

    Text Solution

    |

  15. A telephonic communication service is working at carrier frequency of ...

    Text Solution

    |

  16. A transmitting antenna of height h and the receiving antenna of hight...

    Text Solution

    |

  17. In optical communication system operating at 1200nm, only 2% of the so...

    Text Solution

    |

  18. Assertion : Electromagentic waves with frequencies more than the cirti...

    Text Solution

    |

  19. A message signal frequency omega(m) is superpiosed on a carrier wave o...

    Text Solution

    |

  20. (a). Assertion (A) is true, Reason (R) is also true, Reason (R) is the...

    Text Solution

    |