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प्रश्न
Write any two factors which justify the need for modulating a signal ?
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उत्तर
(i) To send the signal over large distances for communication.
(ii) To avoid the fluctuation and reduce noise of signal.
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संबंधित प्रश्न
Digital signals
(i) Do not provide a continuous set of values,
(ii) Represent values as discrete steps,
(iii) Can utilize binary system, and
(iv) Can utilize decimal as well as binary systems.
Which of the above statements are true?
(a) (i) and (ii) only
(b) (ii) and (iii) only
(c) (i), (ii) and (iii) but not (iv)
(d) All of (i), (ii), (iii) and (iv).
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(b) Write their functions.
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