Home
Class 11
PHYSICS
Digital signals (i) do not provide a c...

Digital signals
(`i`) do not provide a continuous set of values.
(`ii`) represents values as descrete steps.
(`iii`) can utillize binary system
(`iv`) can utillize decimal as well as binary system.
The true option is.

A

Only (i) and (ii)

B

Only (ii) and (iii)

C

(i),(ii) and (iii), but not (iv)

D

All the above (i) to (iv)

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-2)|49 Videos

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-3)|27 Videos

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-4)|51 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos

  • WAVES AND OSCILLATIONS

    ALLEN|Exercise Part-1(Exercise-05)[B]|42 Videos

Similar Questions

Explore conceptually related problems

Mention the following statements whether true or false : (i) The separation of constituents from homogeneous mixture is easier as compared to heterogeneous mixture. (ii) True solutions also show Tyndall effect. (iii) Air represents a solution in terms of science. (iv) Alcohol and water can be separated by fractional distillation (v) A chemical change can be easily reversed.

Read the following statements carefully : (i) Urge for eating and drinking as well as body temperature is controlled by the hypothalamus. (ii) The limbic system along involved in the regulation of sexual behavior, expression of emotions , and excitement. (iii) The presence of four round swellings called corpora quadrigemina on the ventral portion of the midbrain is the characteristics feature of the human brain. (iv) Cerebellum has a very convoluted surface in order to provide additional space for many neurons. How many statements from the above is/are correct ?

Study the following statements regarding recombinant DNA technology and select the incorrect ones. (i) Taq polymerase extends the primers using the nucleotides provided in the reaction. (ii) Antibiotic resistance genes are considered as desirable genes in recombinant DNA technology. (iii) DNA fragments are separated according to their charge only, in agarose gel electrophoresis. (iv) Transformation is a procedure through which a piece of DNA is integrated in to the genome of a host bacterium. (v) To produce higher yields of a desired protein, host cells can be multiplied in a continuous culture. (vi) Downstream processing is one of the steps of polymerase chain reaction.

Read the following statements. I. Battery-less phones can convert radio signals into power. II. The semiconductor device rectenna can be used to provide battery-less power only for smartphones. III. Wi-fi signals captured by an integrated antenna are converted into a DC current suitable for electronic circuits. Choose the correct option.

Go through the following Statements (i) A trophic level represents one species (ii) Pyramid of energy can never be inverted (iii) Ecological pyramids hold true only for simply food chains (iv) Saprophytes are included in the lower most bar in an energy pyramid Choose the best options regarding them

ALLEN-SEMICONDUCTORS-Part-3(Exercise-1)
  1. Amplitude modulation is used for broad casting because

    Text Solution

    |

  2. Frequencies in the UHF range normally propagate by means of

    Text Solution

    |

  3. Digital signals (i) do not provide a continuous set of values. (ii...

    Text Solution

    |

  4. An 'antenna' is:

    Text Solution

    |

  5. Long distance short-wave radio broadcasting uses

    Text Solution

    |

  6. The power in a two-wire transmission line travels :-

    Text Solution

    |

  7. For television broadcasting, the frequency employed is normally

    Text Solution

    |

  8. The sound waves after being converted into electrical waves are not tr...

    Text Solution

    |

  9. The process of superimposing signal frequency (i.e. audio wave) on the...

    Text Solution

    |

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

    Text Solution

    |

  11. If three wave no atmosphere, the average temperature on the surface of...

    Text Solution

    |

  12. The T.V. transmission tower in Delhi has a height of 240 m. The distan...

    Text Solution

    |

  13. Which of the following is used to produce radio waves of constant ampl...

    Text Solution

    |

  14. The maximum distance upto which TV transmission from a TV tower of...

    Text Solution

    |

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

    Text Solution

    |

  16. In short wave communication waves of which of the following frequeunci...

    Text Solution

    |

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

    Text Solution

    |

  18. In frequency modulation

    Text Solution

    |

  19. Range of frequencies allotted for commercial FM radio broadcast is

    Text Solution

    |

  20. Sound produced by a tining fork is a sort of :-

    Text Solution

    |