36. |
Videotex is a combination of |
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37. |
Which of the following frequency ranges is used for AM radio transmission? |
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38. |
Baseband is |
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39. |
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent? |
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40. |
X.21 is |
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