Question 1 : Which helps in maintaining the step size?
1. Delta modulation
2. PCM
3. DPCM
4. Adaptive delta modulation
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Question 2 : Uniform quantizer is also known as
1. Low rise type
2. Mid rise type
3. High rise type
4. None of the mentioned
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Question 3 : Thermal noise power of a resistor depends upon
1. Its resistance value
2. Noise temperature
3. Bandwidth
4. Ambient temperature
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Question 4 : The output of an information source is
1. Random
2. Deterministic
3. Random & Deterministic
4. None of the mentioned
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Question 5 : The theoretical gain in zero crossing TED is greater than early late TED.
1. True
2. False
3.
4.
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Question 6 : Quantization is a _____ process.
1. Non linear
2. Reversible
3. Non linear & Reversible
4. None of the mentioned
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Question 7 : The spectral density of white noise is
1. Exponential
2. Uniform
3. Poisson
4. Gaussian
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Question 8 : 1 bit quantizer is a
1. Hard limiter
2. Two level comparator
3. Hard limiter & Two level comparator
4. None of the mentioned
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Question 9 : Spread spectrum is used for
1. Encrypting signal
2. Hiding signal
3. Encrypting & Hiding signal
4. None of the mentioned
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Question 10 : The low pass filter at the output end of delta modulator depends on
1. Step size
2. Quantization noise
3. Bandwidth
4. None of the mentioned
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