2) The speech signal is obtained after a. Analog to digital conversion b. Digital to analog...

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2) The speech signal is obtained after a. Analog to digital conversion b. Digital to analog conversion c. Modulation d. Quantization ANSWER: 3) Telegraph signals are examples of a. Digital signals b. Analog signals c. Impulse signals d. Pulse train ANSWER 4) As compared to the analog systems, the digital processing of signals allow 1) Programmable operations 2) Flexibility in the system design 3) Cheaper systems 4) More reliability a. 1, 2 and 3 are correct b. 1 and 2 are correct c. 1, 2 and 4 are correct d. All the four are correct ANSWER: 5) A discrete time signal may be 1) Samples of a continuous signal 2) A time series which is a domain of integers 3) Time series of sequence of quantities 4) Amplitude modulated wave a. 1, 2 and 3 are correct b. 1 and 2 are correct c. 1 and 3 are correct d. All the four are correct ANSWER: 6) The DFT is preferred for 1) Its ability to determine the frequency component of the signal 2) Removal of noise 3) Filter design 4) Quantization of signal a. 1. 2 and 3 are correct b. 1 and 2 are correct c. 1 and 3 are correct d. All the four are correct 2) The speech signal is obtained after a. Analog to digital conversion b. Digital to analog conversion c. Modulation d. Quantization ANSWER: 3) Telegraph signals are examples of a. Digital signals b. Analog signals c. Impulse signals d. Pulse train ANSWER 4) As compared to the analog systems, the digital processing of signals allow 1) Programmable operations 2) Flexibility in the system design 3) Cheaper systems 4) More reliability a. 1, 2 and 3 are correct b. 1 and 2 are correct c. 1, 2 and 4 are correct d. All the four are correct ANSWER: 5) A discrete time signal may be 1) Samples of a continuous signal 2) A time series which is a domain of integers 3) Time series of sequence of quantities 4) Amplitude modulated wave a. 1, 2 and 3 are correct b. 1 and 2 are correct c. 1 and 3 are correct d. All the four are correct ANSWER: 6) The DFT is preferred for 1) Its ability to determine the frequency component of the signal 2) Removal of noise 3) Filter design 4) Quantization of signal a. 1. 2 and 3 are correct b. 1 and 2 are correct c. 1 and 3 are correct d. All the four are correct

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The detailed answer for the above question is provided below answer 2 Digital to Analog conversion 3 Analog signals 4 All the four are correct 5 All the four are correct 6 All the four are correct Exp... View the full answer