This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Digital to Analog Conversion Sample and Hold”. 1. What is the ideal reconstruction formula or ideal interpolation formula for x(t) = _________ a) b) c) d) 2. What is the new ideal interpolation formula described after few problems with previous one? … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Quantization and Coding”. 1. The basic task of the A/D converter is to convert a discrete set of digital code words into a continuous range of input amplitudes. a) True b) False 2. What is the type of quantizer, if a … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “The Representation of Bandpass Signals”. 1. Which of the following is the right way of representation of equation that contains only the positive frequencies in a given x(t) signal? a) X+(F)=4V(F)X(F) b) X+(F)=V(F)X(F) c) X+(F)=2V(F)X(F) d) X+(F)=8V(F)X(F) 2. What is the … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Sampling of Band Pass Signals”. 1. The frequency shift can be achieved by multiplying the band pass signal as given in equation x(t) = by the quadrature carriers cos[2πFct] and sin[2πFct] and lowpass filtering the products to eliminate the signal components … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Sample and Hold”. 1. What is the main function of (A/D) or ADC converter? a) Converts Digital to Analog Signal b) Converts Analog to Digital signal c) All of the mentioned d) None of the mentioned 2. What is the main … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Oversampling A/D Converters”. 1. For a given number of bits, the power of quantization noise is proportional to the variance of the signal to be quantized. a) True b) False 2. What is the variance of the difference between two successive … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Decimation by a Factor D”. 1. If we down-sample a signal x(n), then the resulting signal will be an aliased version of x(n). a) True b) False 2. What is the folding frequency for the aliased version of x(n) with sampling … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Multirate Digital Signal Processing”. 1. There is no requirement to process the various signals at different rates commensurate with the corresponding bandwidths of the signals. a) True b) False 2. What is the process of converting a signal from a given … Read more
This set of tough Digital Signal Processing Questions & Answers focuses on “Sampling Rate Conversion by a Rational Factor I/D”. 1. Sampling rate conversion by the rational factor I/D is accomplished by what connection of interpolator and decimator? a) Parallel b) Cascade c) Convolution d) None of the mentioned 2. Which of the following has … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Interpolation by a Factor I”. 1. Which of the following operation has to be performed to increase the sampling rate by an integer factor I? a) Interpolating I+1 new samples b) Interpolating I-1 new samples c) Extrapolating I+1 new samples d) … Read more
