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PUNJAB BOARD PREVIOUS YEAR PAPERS-Principles of communication-Exercise
- What is a modulator ?
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- What is a demodulator ?
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- What are carrier waVas ?
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- What is space communication ?
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- What do you mean by communication ?
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- What is skywave propagation ?
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- What is demodulation ?
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- What isTransducer ?
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- What is amplitude modulation ?
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- What is Bandwidth ?
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- What is modulation ?
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- What is Attenuation ?
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- What is transducer ? Give one example.
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- What is an analog signal ?
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- What is modulated wave ?
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- What is Attenuation ?
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- Name the three basic elements of a communication system.
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- What is function of transducer ?
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- What is the maximum frequency which can be transmitted by ground waves...
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- Define modulation index
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