Digital Signal Processing Question & AnswersJune 5, 2021 By WatElectronics This article lists 100+ Digital Signal Processing MCQs for engineering students. All the Digital Signal Processing Questions & Answers given below includes solution and link wherever possible to the relevant topic.Signal conveys information using gesture, action, and sound. The signal can be classified into two types one is analog and another one is a digital signal. Most of the signals are analog in nature means the signal is continuous with respect to time, to convert an analog signal to a digital signal we can use sampling and quantization. Analog signal first converts into the discrete signal using sampling and quantization n which the signal is sampled at a discrete interval of time. Once the discrete signal is obtained then the signal is converted into a digital signal. Signal processing is performed to analyze, modify, and synthesize the signal. 1). The analog signals are categorized into ________OneTwoThreeFourHintThe analog signals are categorized into two types they are continuous and discrete-time signal 2). If discrete-time signal passes through an analog to digital converter we get ______Binary sequenceDecimal sequenceHexadecimal sequenceNone of the aboveHintIf the discrete-time signal passes through an analog to digital converter we get a binary sequence 3). The technique where processing is done on an analog signal is nothing but ______Analog signal processingDigital signal processingMixed-signal processingNone of the aboveHintThe technique where processing is done on an analog signal is nothing but analog signal processing 4). The most convenient and accurate signal processing technique is _____Analog signal processingDigital signal processingMixed-signal processingNone of the aboveHintThe most convenient and accurate signal processing technique is digital signal processing 5). The advantages of digital signal processing are _____Flexible in operationIt is a stable systemLow costAll of the aboveHintThe digital signal processing is flexible in operation, low cost and it is a stable system 6). The impulse response of FIR filter is ______FiniteZeroOneInfiniteHintThe impulse response of FIR filter is finite 7). ______ are the major applications of FIR filterData transmissionSpeech processingCorrelation processing and interpolationAll of the aboveHintData transmission, speech processing, correlation processing, and interpolation, etc are the major applications of FIR filter 8). The non-recursive FIR filters are always ______StableUnstableHintThe non-recursive FIR filters are always stable 9). The advantages of FIR filters are _________StableRealized in recursiveRealized in non-recursiveAll of the aboveHintThe FIR filters are stable, can be realized in both recursive and non-recursive 10). How many types of signals are there?OneTwoThreeFourHintThere are two types of signals are there they are analog and digital 11). Analog signals converts into digital signal using _______SamplingQuantizationBoth a and bNone of the aboveHintAnalog signals converts into a digital signal using sampling and quantization 12). The signal processing is performed to ____________ the signalAnalyzeModifySynthesizeAll of the aboveHintThe signal processing is performed to analyze, modify, and synthesize the signal 13). How many types of signal processing are there?OneTwoThreeFourHintThere are three types of signal processing are there they are analog signal processing, digital signal processing, and mixed-signal processing 14). The digital signal processing can be used in _______Speech and audio processingImage and video processingMilitary and space applicationsAll of the aboveHintDigital signal processing can be used in speech and audio processing, image and video processing, military and space applications, etc 15). The disadvantages of FIR filter are _________ComplexRequires more filter coefficientSimpleBoth a and bHintThe disadvantages of FIR filter are they are complex and requires more filter coefficient 16). The number of complex addition in the direct computation of DFT is equal to _____N(N-1)N(N+1)N(N*1)N(1/N)HintThe number of complex addition in the direct computation of DFT is equal to N(N-1) 17). The formula for percentage saving of addition in FFT is __________100-(number of addition in FFT/ number of addition in DFT)*100100-(number of addition in DFT/ number of addition in FFT)*100100-(number of addition in FFT/ number of addition in FFT)*100None of the aboveHintThe formula for percentage saving of addition in FFT is 100-(number of addition in FFT/ number of addition in DFT)*100 18). The formula for percentage saving of multiplication in FFT is __________100-(number of multiplication in FFT/ number of multiplication in DFT)*100100-(number of multiplication in DFT/ number of multiplication in FFT)*100100-(number of multiplication in FFT/ number of multiplication in FFT)*100None of the aboveHintThe formula for percentage saving of multiplication in FFT is 100-(number of multiplication in FFT/ number of multiplication in DFT)*100 19). ________ is the disadvantage of digital signal processingFlexible in operationSpeed of operation is limitedSpeed of operation is unlimitedNone of the aboveHintSpeed of operation is limited in digital signal processing 20). If the processing is on a digital signal then the signal processing is called as _________AnalogDigitalMixedNone of the aboveHintIf the processing is on a digital signal then the signal processing is called digital signal processing 21). The zero state response also called as ______ responseFreeForcedNaturalNone of the aboveHintThe zero state response also called a forced response 22). The scaling operation also called as __________Up-samplingDown-samplingBoth a and bNone of the aboveHintThe scaling operation also called a downsampling 23). _____ parameters are required to calculate correlation between X(n) and Y(n) signals?Noise signalTime delayAttenuation factorAll of the aboveHintNoise signal, time delay, and attenuation factor parameters are required to calculate the correlation between X(n) and Y(n) signals 24). The zero input response also called as ______ responseFreeNaturalFree or naturalNone of the aboveHintThe zero input response also called a free or natural response 25). The function of the autocorrelation is ______EvenOddBoth a and bNone of the aboveHintThe function of the autocorrelation is evenDigital Signal Processing MCQs for Interviews 26). The difference between quantized and unquantized is called quantization _______ErrorCoefficientRatioNone of the aboveHintThe difference between quantized and unquantized is called quantization error 27). Depending upon the number of independent variables the signals are categorized into ________OneTwoThreeFourHintDepending upon the number of independent variables the signals are categorized into three types they are 1-D, 2-D, and M-D signals 28). __________ are the examples of random signalsEEG signalECG signalSpeech signalAll of the aboveHintEEG signal, ECG signal, speech signal are examples of random signals 29). The signals are categorized into ________ based on repetition natureOneTwoThreeFourHintThe signals are categorized into two types based on repetition nature they are periodic and non-periodic signals 30). The signals are categorized into ________ based on reflectionOneTwoThreeFourHintThe signals are categorized into two types based on reflection they are even signals and odd signals 31). _________ are the main elements of digital signal processing systemQuantizer, SamplerDigital signal processorDecoderAll of the aboveHintQuantizer, sampler, digital signal processor, and decoder are the main elements of the digital signal processing system 32). The speech signals are _______One dimensionalTwo dimensionalThree dimensionalMultidimensionalHintThe speech signals are one dimensional 33). The kinds of sounds are of ___________OneTwoThreeFourHintThe kinds of sounds are of two types they are voiced and unvoiced signals 34). _________ is an application of speech codingMilitary communicationVoice alarmsInformation retrieval systemsAll of the aboveHintMilitary communication is an application of speech coding 35). ______ are the parameters of speechPitchLoudnessQualityAll of the aboveHintPitch, loudness, and quality are the parameters of speech 36). ____________ is an application of speech recognitionInformation retrieval systemsSource codingNarrowband cellular radioNone of the aboveHintInformation retrieval systems is an application of speech recognition 37). __________ are the common methods of speech analysisHarmonorphic filteringLinear predictionShort-time Fourier analysisAll of the aboveHintHarmonorphic filtering, linear prediction, and short-time Fourier analysis are the common methods of speech analysis 38). The parameters of speech coding are ________BitrateQuality, delayComplexityAll of the aboveHintThe parameters of speech coding are bit rate, quality, delay, and complexity 39). _____________ is a type of waveform codingFrequency domain codingVector quantizationPitch excited coderNone of the aboveHintFrequency domain coding is a type of waveform coding 40). __________ is a type of narrow-band codingFrequency domain codingLinear predictive codingPitch excited coderNone of the aboveHintPitch excited coder is a type of narrow-band coding 41). How many types of redundancies are there?OneTwoThreeFourHintThere are three types of redundancies are there they are spatial, temporal, and spectral redundancies 42). _________ are the common techniques based on the redundancy detection methodTransformation methodDirect data compression methodParametric extraction methodAll of the aboveHintTransformation, direct data compression, parametric extraction methods are the common techniques based on the redundancy detection method 43). The discrete-time signals are categorized into __________OneTwoThreeFourHintThe discrete-time signals are categorized into three types they are energy and power signals, periodic and non-periodic signals, symmetric and asymmetric signals 44). There are _________ types of infinite length sequences are thereOneTwoThreeFourHintThere are three types of infinite length sequences are there they are right-sided, anti causal, and causal, left-sided sequences 45). The discrete-time systems are categorized into ________OneTwoFourSixHintThe discrete-time systems are categorized into six types they are static & dynamic, time-variant & time-invariant, causal & non-causal, stable & unstable, linear & non-linear, FIR & IIR filters 46). What are the limitations of digital signal processing?Bandwidth restrictionsFinite word length problemsSpeed limitationsAll of the aboveHintBandwidth restrictions, finite word length problems, speed limitations, are the limitations of digital signal processing 47). The signal ___________ are the uses of filtersSignal separationSignal restorationBoth a and bNone of the aboveHintThe signal separation and signal restoration are the uses of filters 48). How many types of digital filters are there?OneTwoFourSixHintThere are two types of digital filters are there they are FIR and IIR filters 49). _____ is a 16-bit fixed-point arithmetic DSP processorTMS320C1XTMS320C3XTMS320C4XNone of the aboveHintTMS320C1X is a 16-bit fixed-point arithmetic DSP processor 50). _____ is a 32-bit fixed-point arithmetic DSP processorTMS320C3XTMS320C5XTMS320C8XNone of the aboveHintTMS320C3X is a 32-bit fixed-point arithmetic DSP processorDigital Signal Processing MCQs for Students 51). The noise power spectral density is equal to _________Total power-BandwidthBandwidth/ Total powerTotal power/BandwidthNone of the aboveHintThe noise power spectral density is equal to total power/bandwidth 52). _________ are the applications of multi-rate digital signal processingCompact discDigital audioAmerican and European televisionAll of the aboveHintCompact disc, digital audio, American and European television, etc are the applications of multi-rate digital signal processing 53). The advantages of the multi-rate digital signal processing are ___________Gives more accuracySampling rate conversion is highBoth a and bNone of the aboveHintThe advantages of the multi-rate digital signal processing are accuracy is more and the sampling rate conversion is high 54). Which system requires infinite memory?FIR filtersIIR filtersBoth a and bNone of the aboveHintIIR filters require infinite memory 55). The number of computations is _________ in the FIR filterMoreLessNo computationsNone of the aboveHintThe number of computations is more in the FIR filter compare to IIR filters 56). The _________ filters don’t use feedbackAdd description here!IIRFIRBoth a andNone of the aboveHintThe FIR filters don’t use feedback 57). Which filter requires high-performance ADC, DSP, and DAC?Analog filtersDigital filtersBoth a and bNone of the aboveHintAnalog filters requires high performance ADC, DSP, and DAC 58). The gain of the maximum pass band is ____________0.086dB0.08dB0.06dBNone of the aboveHintThe gain of the maximum passband is 0.086dB 59). The gain of the ideal pass band is ____________0.086dB0.08dB0dBNone of the aboveHintThe gain of the ideal pass band is 0dB Read more about Band Pass Filters 60). The gain of the maximum stopband is ____________0.086dB b)c)d)-60dB0dBNone of the aboveHintThe gain of the maximum stopband is -60dB 61). In which filter the ripples are in the passband and stop band?Butterworth filtersChebyshev filtersElliptical filtersNone of the aboveHintIn elliptical filters the ripples are in the passband and stop band 62). _______ are the commonly used analog filtersButterworth filtersChebyshev filtersElliptical filtersAll of the aboveHintButterworth filters, Chebyshev filters, and elliptical filters are the commonly used analog filters 63). Which technique is used to design an IIR filter?Impulse invariant methodMatched Z-transform methodBilinear transformation methodAll of the aboveHintImpulse invariant mImpulse invariant method, Bilinear transformation method, and Matched Z-transform method techniques are used to design IIR filterethod, Bilinear transformation method, and Matched Z-transform method techniques are used to design IIR filter 64). Which signal is non-periodic?Power signalEnergy signalBoth a and bNone of the aboveHintEnergy signal is non-periodic signal 65). The Z-transform of δ[n] is ________OneZeroFiniteInfiniteHintThe Z-transform of δ[n] is one 66). The Z-transform of U[n] is _________Z/Z-1Z/Z+1Z/Z-aZ/Z-bHintThe Z-transform of U[n] is Z/Z-1 67). The time domain of linearity is expressed as __________af(t)+bg(t)aF(S)+bG(S)tf(t)None of the aboveHintThe time-domain of linearity is expressed as af(t)+bg(t) 68). The S-domain of differentiation is expressed as _______af(t)+bg(t)aF(S)+bG(S)sF(S)-f(0None of the aboveHintThe S-domain of differentiation is expressed as sF(S)-f(0) 69). The time domain of frequency differentiation is expressed as ______f(t)/tf(t)tf(t)None of the aboveHintThe time-domain of frequency differentiation is expressed as tf(t) 70). The S-domain of linearity is expressed as ______af(t)+bg(t)aF(S)+bG(S)tf(t)sF(S)-f(0)HintThe S-domain of linearity is expressed as aF(S)+bG(S) 71). The S-domain of frequency shifting is expressed as ______af(t)+bg(t)aF(S)+bG(S)F(s-a)sF(S)-f(0)HintThe S-domain of frequency shifting is expressed as F(s-a) 72). The S-domain of integration is expressed as ______af(t)+bg(t)1/s F(s)F(s-a)sF(S)-f(0)HintThe S-domain of integration is expressed as 1/s F(s) 73). The time domain of frequency integration is expressed as ______tf(t)f(t)/tF(s-a)sF(S)-f(0)HintThe time-domain of frequency integration is expressed as f(t)/t 74). The time domain of time scaling is expressed as ______tf(t)f(t)/tf(at)sF(S)-f(0)HintThe time domain of time scaling is expressed as f(at) 75). The time domain of time shifting is expressed as ______tf(t)f(t-a)u(t-a)f(at)sF(S)-f(0)HintThe time-domain of time-shifting is expressed as f(t-a)u(t-a)Digital Signal Processing MCQs for Exams 76). The S-domain of convolution is expressed as ______tf(t)f(t-a)u(t-a)f(at)F(s).G(s)HintThe S-domain of convolution is expressed as F(s).G(s) 77). The time domain of the cross-correlation is given as _____tf(t)f(t-a)u(t-a)f(at)f(t)*g(t)HintThe time-domain of the cross-correlation is given as f(t)*g(t) 78). The bit size of DSP uniprocessor based TMS32010 is _______16-bit integer8-bit integer4-bit integer32-bit integerHintThe bit size of DSP uniprocessor based TMS32010 is 16-bit integer 79). The clock speed of DSP processor TMS32010 is _______10MHZ20MHZ30MHzNone of the aboveHintThe clock speed of DSP processor TMS32010 is 20MHZ 80). The instruction throughput of DSP processor TMS32010 is _______5MIPS15MIPS25MIPS35MIPSHintThe instruction throughput of DSP processor TMS32010 is 5MIPS 81). The MAC execution of DSP processor TMS32010 is _______100ns200ns300ns400nsHintThe MAC execution of DSP processor TMS32010 is 400ns 82). ____________ are the applications of beamformingRadar/sonarNavigationSignals intelligenceAll of the aboveHintRadar/sonar, navigation, signals intelligence, etc are the applications of beamforming 83). The frequency of HDTV signal for FIR filtering is ______120MHz130MHz144MHz189MHzHintThe frequency of HDTV signal for FIR filtering is 144MHz 84). The frequency of TV signal for FIR filtering is ______27MHz130MHz144MHz189MHzHintThe frequency of TV signal for FIR filtering is 27MHz 85). The frequency of video phone for FIR filtering is ______27MHz130MHz144MHz6.75MHzHintThe frequency of video phone for FIR filtering is 6.75MHz 86). Which one is harvard architecture?DSPGeneral purpose processorBoth a and bNone of the aboveHintThe architecture of the digital signal processor is Harvard Read more about Harvard Architecture 87). The F(ω) form of δ(t) is _______OneZeroInfinityNone of the aboveHintThe F(ω) form of δ(t) is one 88). The F(f) form of signal Arect(t/T) is _______ATsinc(fT)ATsinc(ωT/2)ATsinc(fT/2)None of the aboveHintThe F(f) form of signal Arect(t/T) is ATsinc(fT) 89). The F(ω) form of signal Arect(t/T) is _________ATsinc(fT)ATsinc(ωT/2)ATsinc(fT/2)None of the aboveHintThe F(ω) form of signal Arect(t/T) is ATsinc(ωT/2) 90). The F(f) form of signal sinc(t) is ______Rect.(t)Rect.(ωT/2)ATsinc(fT)None of the aboveHintThe F(f) form of signal sinc(t) is Rect.(t) 91). The ROC of signal u(t) is ________Re[s]>0Re[s]<0Re[s]=0None of the aboveHintThe ROC of signal u(t) is Re[s]>0 92). For steady-state analysis _______ transform is usedFourierLaplaceBoth a and bNone of the aboveHintFor steady-state analysis Fourier transform is used 93). The bit size of TM320C30 DSP processor is _______8-bit integer16-bit integer32-bit integer64-bit integerHintThe bit size of the TM320C30 DSP processor is 32-bit integer 94). The clock speed of DSP processor TMS320C30 is _______10MHZ20MHZ33MHzNone of the aboveHintThe clock speed of DSP processor TMS320C30 is 33MHZ 95). The instruction throughput of DSP processor TMS320C30 is _______5MIPS17MIPS25MIPS35MIPSHintThe instruction throughput of DSP processor TMS320C30 is 17MIPS 96). The MAC execution of DSP processor TMS320C30 is _______60ns200ns300ns400nsHintThe MAC execution of DSP processor TMS320C30 is 60ns 97). ________ are the applications of echo cancellationSpeakerphonesSignals intelligenceMusicNone of the aboveHintSpeakerphones are the applications of echo cancellation 98). The frequency of music for FIR filtering is _____10KHz20KHz30KHz48KHzHintThe frequency of music for FIR filtering is 48KHz 99). The F(ω) form of signal sinc(t) is ___________Rect.(t)Rect.(ω/2π)2π(ω)None of the aboveHintThe F(ω) form of signal sinc(t) is Rect.(ω/2π) 100). The F(ω) form of constant A is ___________2/jωjω2πAδ(ω)None of the aboveHintThe F(ω) form of constant A is 2πAδ(ω)Digital Signal Processing MCQs 101). For transient signal analysis ___________ transform is usedFourierLaplaceBoth a and bNone of the aboveHintFor transient signal analysis Laplace transform is used 102). The input of the discrete-time Fourier transform is ___________DiscretePeriodic signalBoth a and bNone of the aboveHintThe input of the discrete-time Fourier transform is a discrete and periodic signal 103). The input of the discrete Fourier transform is ___________DiscretePeriodicDiscrete, periodic extension of a finite length or periodic signalNone of the aboveHintThe input of the discrete Fourier transform is discrete, and periodic extension of a finite length or periodic signal 104). In Fourier transform the range of ω is ________-π to +π0 to 2π-π to +π or 0 to 2πNone of the aboveHintIn Fourier transform the range of ω is from -π to +π or 0 to 2π 105). The F(f) form of signal sgn(t) is _______2/jω1/jωf2πAδ(ω)None of the aboveHintThe F(f) form of signal sgn(t) is 1/jωf 106). The F(ω) form of signal sgn(t) is _______2/jω1/jωf2πAδ(ω)None of the aboveHintThe F(ω) form of signal sgn(t) is 2/jω 107). The F(f) form of constant A is _______Aδ(t)Aδ(f)Aδ(ft)None of the aboveHintThe F(f) form of constant A is Aδ(f) 108). The F(f) form of signal u(t) is ______1/j2πf + 0.5 δ(f)1/j4πf + 0.5 δ(f)1/j6πf + 0.5 δ(f)1/j8πf + 0.5 δ(f)HintThe F(f) form of signal u(t) is 1/j2πf + 0.5 δ(f) 109). The range of ω in discrete Fourier transform is _____0 to 2π0 to 4π0 to 6π0 to 8πHintThe range of ω in discrete Fourier transform is 0 to 2π 110). The Z transform of au(n) is ______az/z-1az/z+1az/zaz/2zHintThe Z transform of au(n) is az/z-1 111). The spatial domain of scaling is ____f(ax)f(x)2f(x)None of the aboveHintThe spatial domain of scaling is f(ax) 112). The spatial domain of the symmetry is ____f(ax)F(x)2f(x)None of the aboveHintThe spatial domain of the symmetry is F(x) 113). The frequency-domain of symmetry is ____f(u)F(-u)ufNone of the aboveHintThe frequency-domain of symmetry is F(-u) 114). The frequency domain of convolution is ____F(u)G(u)F(-u)ufNone of the aboveHintThe frequency domain of convolution is F(u)G(u) 115). The F(ω) form of u(t) signal is __________2/jω1/jω + πδ(ω)2πAδ(ω)None of the aboveHintThe F(ω) form of u(t) signal is 1/jω + πδ(ω) 116). Which one is a mathematical tool?Fourier seriesFourier transformBoth a and bNone of the aboveHintBoth Fourier series and Fourier transforms are mathematical tools for representing the signal in the frequency domain 117). Which one is mainly used for periodic signals?Fourier seriesFourier transformBoth a and bNone of the aboveHintFourier series is mainly used for periodic signals 118). The conditions for existence of Fourier transform are ___________f(t) should be absolutely integrableThe function must have a finite number of minima and maximaThe function must have a finite number of discontinuitiesAll of the aboveHintThe conditions for the existence of Fourier transform are f(t) should be absolutely integrable, the function must have a finite number of minima and maxima, and a finite number of discontinuities 119). The signal can be a function of ___________Time, distancePosition, pressureTemperatureAll of the aboveHintThe signal can be a function of time, distance, position, pressure, and temperature 120). Which one is mainly used for aperiodic signals?Fourier seriesFourier transformBoth a and bNone of the aboveHintFourier transform is mainly used for aperiodic signals 121). ______ is an example of modern conventional DSPT1 TMS320C54XT1 TMS320C55XT1 TMS320C64XNone of the aboveHintT1 TMS320C54X is an example of modern conventional DSP 122). ______ is an example of modern enhanced DSPT1 TMS320C54XT1 TMS320C55XT1 TMS320C64XNone of the aboveHintT1 TMS320C55X is an example of modern enhanced DSP 123). ______ is an example of multiple issue DSPT1 TMS320C54XT1 TMS320C55XT1 TMS320C64XNone of the aboveHintT1 TMS320C64X is an example of multiple issue DSP 124). Which one is a superscalar DSP?LSI logic ZPS400T1 TMS320C64XBoth a and bNone of the aboveHintLSI logic ZPS400 is a superscalar DSP 125). ________ systems cannot implement linear phase filteringIIR systemsFIR systemsBoth a and bNone of the aboveHintIIR systems cannot implement linear phase filteringDigital Signal Processing MCQs for Quiz 126). In which filter the poles lie on the circle in the s-plane?ButterworthChebyshevBoth a and bNone of the aboveHintIn Butterworth filter the poles lie on the circle in the s-plane 127). In which filter the inductors are present?Discrete active RC filtersIntegrated active RC filtersPassive RLC filtersNone of the aboveHintIn passive RLC filters the inductors are present 128). ______ are the applications of analog filtersAudio equipmentSampling systemsTelephone systemsAll of the aboveHintAudio equipment, sampling, and telephone systems, etc are the applications of analog filters 129). The digital systems are _________Highly reliableAccuracy is highPhysical size is smallAll of the aboveHintThe digital systems are highly reliable, the physical size is small, and the accuracy of the system is high 130). _______ are the applications of digital filtersInstrumentationArtificial cochleasSpeech synthesisAll of the aboveHintInstrumentation, artificial cochleas, speech synthesis, etc are the applications of digital filters 131). The frequency range of discrete active RC filters is from ______10Hz to 1KHz10Hz to 1MHz10Hz to 100KHz10Hz to 12KHzHintThe frequency range of discrete active RC filters is from 10Hz to 1MHz 132). The frequency range of switched-capacitor filters is from ______10Hz to 1KHz10Hz to 5MHz10Hz to 100KHz10Hz to 12KHzHintThe frequency range of switched-capacitor filters is from 10Hz to 5MHz 133). The frequency range of passive RLC filters is from ______10Hz to 1KHz10Hz to 5MHz0.1MHz to 0.1GHz10Hz to 12KHzHintThe frequency range of passive RLC filters is from 0.1MHz to 0.1GHz 134). The frequency range of integrated RC filters is from ______10Hz to 1KHz10Hz to 5MHz0.1MHz to 15GHz10Hz to 12KHzHintThe frequency range of integrated RC filters is from 0.1MHz to 15GHz 135). _____ are the examples of singularitiesPolesEssential singularitiesBranch pointsAll of the aboveHintPoles, essential singularities, branch points, etc are examples of singularities 136). The frequency range of microwave filters is from ______10Hz to 1KHz0.5GHz to 500GHz0.1MHz to 15GHz10Hz to 12KHzHintThe frequency range of microwave filters is from 0.5GHz to 500GHz 137). ______ are used in Butterworth filterInductorCapacitorResistorAll of the aboveHintOnly capacitors are used in Butterworth filter 138). Which filter requires more hardware?Butterworth filtersChebyshev filtersElliptical filtersNone of the aboveHintButterworth filters requires more hardware 139). Butterworth filters are used in _______Communication and control systemsRadarAudio processing applicationsAll of the aboveHintButterworth filters are used in communication and control systems, radar, audio processing applications, etc 140). The interface between the digital processor and an analog signal is _______Analog to digital converterDigital to analog converterModulatorDemodulatorHintThe interface between the digital processor and an analog signal is analog to digital converter 141). The discrete-time Fourier transform is the representation of ______ time signals representationPeriodic discretePeriodic continuousAperiodic discreteNone of the aboveHintThe discrete-time Fourier transform is the representation of aperiodic discrete-time signals representation 142). The fast Fourier transform used to calculate ______DFTIDFTBoth a and bNone of the aboveHintThe fast Fourier transform used to calculate both DFT and IDFT 143). The Chebyshev filters have a _____________Flat stop-band andEqui-ripple pass bandBoth a and bNone of the aboveHintThe Chebyshev filters have a flat stopband and equi ripple passband 144). The elliptical filters have ________________Equi ripple passbandEqui ripple stop bandsBoth a and bNone of the aboveHintThe elliptical filters have equi ripple passband and equi ripple stop bands 145). The function of one dimension signal is _______ variableSingle dependentDouble independentMultiple independentNone of the aboveHintThe function of one dimension signal is the double independent variable 146). ____________ is the process of down samplingInterpolationDecimationBoth a and bNone of the aboveHintDecimation is the process of down sampling 147). Discrete Fourier transform applied to ________ sequencesFinite continuousFinite discreteInfinite discreteInfinite continuousHintDiscrete Fourier transform applied to finite discrete sequences 148). Correlation is used for ____________ClimatographyPortfolio managementBoth a and bNone of the aboveHintCorrelation is used for climatography and also used in portfolio management 149). What is the standard form of DPCM?Discrete Pulse Code ModulationDifferential Pulse Code ModulationDiscrete Phase Code ModulationNone of the aboveHintThe standard form of DPCM is Differential Pulse Code Modulation 150). What is the standard form of DM?Discrete ModulationDifferential ModulationDelta ModulationNone of the aboveHintThe standard form of DM is Delta ModulationDigital Signal Processing Important MCQs with Hints 151). In delta modulation, the quantizer is a _____ bit quantizerOneTwoThreeFourHintIn delta modulation, the quantizer is a one-bit quantizer Read more about Delta Modulation 152). _________ order predictor is used in delta modulationFirstSecondThirdNone of the aboveHintFirst-order predictor is used in delta modulation 153). ____________ uses quadrature mirror filtersTrans multiplexerSub band codingBoth a and bNone of the aboveHintThe trans multiplexer and subband coding use quadrature mirror filters 154). The function f(t)=f(-t) is a ________ functionEvenOddBoth even and oddNone of the aboveHintThe function f(t)=f(-t) is a even function 155). To convert digital filter specifications to analog filter specifications in bilinear transformation design method for IIR filter will use _________Transformation with frequency wrappingTransformation by low pass prototype filterBilinear TransformationNone of the aboveHintTo convert digital filter specifications to analog filter specifications in bilinear transformation design method for IIR filter will use transformation with frequency wrapping 156). Once the analog filter specifications are obtained in bilinear transformation design for IIR filter design then the analog filter specifications transformed into ________Analog filter transfer functionDigital filter transfer functionAnalog or digital filter transfer functionNone of the aboveHintOnce the analog filter specifications are obtained in bilinear transformation design for IIR filter design then the analog filter specifications transformed into analog filter transfer function 157). The function f(-t)=-f(t) is a ___________ symmetryEvenOddBoth even and oddNone of the aboveHintThe function f(-t)=-f(t) is a odd symmetry 158). In bilinear transformation design method for IIR filter, an analog filter specifications transformed into analog filter transfer function by using ________Transformation with frequency wrappingTransformation by low pass prototype filterBilinear TransformationNone of the aboveHintIn bilinear transformation design method for IIR filter, an analog filter specifications transformed into analog filter transfer function by using transformation by low pass prototype filter 159). In bilinear transformation design method for IIR filter, an analog filter transfer function converted into digital filter transfer function by using ________Transformation with frequency wrappingTransformation by low pass prototype filterBilinear TransformationNone of the aboveHintIn bilinear transformation design method for IIR filter, an analog filter transfer function converted into digital filter transfer function by using the bilinear transformation 160). The advantage of using floating-point processors is to _______Avoid overflowRoundoff error, truncation errorCoefficient quantization errorAll of the aboveHintThe advantage of using floating-point processors is it avoids overflow, roundoff error, truncation error, and coefficient quantization error 161). The function f(t-T/2)=-f(t) is a ______ symmetryEvenOddHalf waveFull waveHintThe function f(t-T/2)=-f(t) is a half wave symmetry 162). The floating-point digital signal processor performs _________ signal processing operationsDigitalAnalogDigital or analogNone of the aboveHintThe floating-point digital signal processor performs digital signal processing operations 163). The TMS320C3X floating-point DSP processor includes ______IntegerFloating-point multiplierALUAll of the aboveHintThe TMS320C3X floating-point DSP processor includes integer, floating-point multiplier, and ALU 164). The TMS320C3X supports __________ floating-point formatsOne typeTwo typesThree typesFour typesHintThe TMS320C3X supports three types of floating-point formats they are 16-bit, 32-bit, and 40-bit floating-point formats 165). The TMS320C3X floating-point DSP processor supports 16-bit floating-point format has _______4 exponent bits1 sign bit11 mantissa bitsAll of the aboveHintThe TMS320C3X floating-point DSP processor supports 16-bit floating-point format has 4 exponent bits, 1 sign bit, and 11 mantissa bits 166). The TMS320C3X floating-point DSP processor supports 32-bit floating-point format has _______8 exponent bits1 sign bit23 mantissa bitsAll of the aboveHintThe TMS320C3X floating-point DSP processor supports 32-bit floating-point format has 8 exponent bits, 1 sign bit, and 23 mantissa bits 167). The TMS320C3X floating-point DSP processor supports 40-bit floating-point format has _______8 exponent bits1 sign bit31 mantissa bitsAll of the aboveHintThe TMS320C3X floating-point DSP processor supports 40-bit floating-point format has 8 exponent bits, 1 sign bit, and 31 mantissa bits 168). TMS320C54 family processor supports _________16-bit dataOn-chip program memoryData memoryAll of the aboveHintTMS320C54 family processor supports 16-bit data, and it is having on-chip program memory, as well as data memory 169). The TMS320C54X family processors, the on-chip program memory, and data memory includes _______RAMROMBoth a and bNone of the aboveHintThe TMS320C54X family processors, the on chip-program memory, and data memory includes both RAM and ROM 170). The RAM and ROM in the TMS32C54X family processor used for _______Program codeInstructionsDataAll of the aboveHintThe RAM and ROM in the TMS32C54X family processor used for program code, instructions, and data 171). The TMS32C54X family processor has _________2 independent 40-bit accumulator2 independent 20-bit accumulator2 independent 30-bit accumulator2 independent 10-bit accumulatorHintThe TMS32C54X family processor has 2 independent 40-bit accumulator 172). The TMS32C54X family processor has _________ shift units8 bit16 bit40 bitNone of the aboveHintThe TMS32C54X family processor has 40-bit shift units 173). The shift unit in the TMS32C54X processor performs __________ScalingFractional arithmeticBoth a and bNone of the aboveHintThe shift unit in the TMS32C54X processor performs both scaling and fractional arithmetic operations 174). The 8-bit exponent in single-precision floating point will range from _________0 to 1000 to 2550 to 290None of the aboveHintThe 8-bit exponent in single-precision floating-point will range from 0 to 255 175). The double-precision floating-point representation requires _______8-bit word16-bit word32-bit word64-bit wordHintThe double-precision floating-point representation requires 64-bit word 176). The design of general microprocessor and microcontroller is based on _________Harvard architectureVon-Neumann architectureBoth a and bNone of the aboveHintThe design of the general microprocessor and microcontroller is based on von-Neumann architecture 177). __________ tells the CPU what to doOpcodeOperandBoth a and bNone of the aboveHintOpcode tells the CPU what to do 178). ___________ informs the CPU what data to operate onOpcodeOperandBoth a and bNone of the aboveHintOperand informs the CPU what data to operate on 179). The ___________ phase filters are used to prevent the input shape of the signals?LinearNon-linearBoth a and bNone of the aboveHintThe linear phase filters are used to prevent the input shape of the signals 180). If we apply DTFT to h(n) will get ______H(ω)H(2ω)H(3ω)H(4ω)HintIf we apply DTFT to h(n) will get H(ω) 181). IIR filter output y(n) depends on _______x(n)x(n-1)y(n-1)All of the aboveHintIIR filter output y(n) depends on x(n), x(n-1), and y(n-1) 182). IIR filter offers a ______Smaller filter sizeLinear phase is not easy to be obtainedBoth a and bNone of the aboveHintIIR filter offers a smaller filter size, and linear phase is not easy to be obtained 183). The IIR filter design main objective is to determine the filter ______Numerator coefficientDenominator coefficientBoth a and bNone of the aboveHintThe IIR filter design main objective is to determine the filter denominator and numerator coefficients to satisfy the specifications of the filter 184). The IIR filters are ____Easy to designEasy to implementNot easy to design and not easy to implementBoth a and bHintThe IIR filters are easy to design and not easy to implement 185). ______ are the DSP hardware unitsMACAddress generatorShifterAll of the aboveHintMAC, address generator, and shifter are the DSP hardware units 186). The impulse response of a symmetric linear phase finite impulse response filter can be represented as _______h(n)=h(m-1-n)h(n)=h(m-1+n)h(n)=h(m+1-n)h(n)=h(mn)HintThe impulse response of symmetric linear-phase finite impulse response filter can be represented as h(n)=h(m-1-n) 187). What is the standard form of DIT?Decimation in TimeDenominator in TimeDiscrete in TimeNone of the aboveHintThe standard form of DIT is Decimation in Time Time is Up!