ISRO Scientist or Engineer Electronics 2008

Instructions

For the following questions answer them individually

Question 61

A programme having features suchas data abstraction, encapsulation and data hiding, polymorphism inheritance is called

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Question 62

The library function exit () causes as exit from

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Question 63

The “go to statement” causes control to go to

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Question 64

The differential equation satisfying $$y = A + e^{3x} + B e^{2x}$$ is

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Question 65

Foran energy signalg(t) andits time-shifted version f(t - T),the

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Question 66

As the modulation index of an FM signal with sinusoidal modulation is increased from zero) to two, the powerin the carrier component will

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Question 67

For a short wave radio link between two stations via the ionosphere, the ratio of the maximum usable frequencyto the critical frequency

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Question 68

A carrier voltageis simultaneously modulated by two sine waves causing modulation indices of 0.4 and 0.3. The overall modulation index is

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Question 69

If each stage has a gain of 10 dB, andnoise figure of 10dB, then the overall noise figure of a two-stage cascade amplifier will be

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Question 70

De-emphasis circuit is used

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