1) :  Define a Signal?<br />2) :  Define a System?<br />3) :  What is signal processing? Classify?<br />4) :  What are the...
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  1. 1. 1) : Define a Signal?<br />2) : Define a System?<br />3) : What is signal processing? Classify?<br />4) : What are the basic elements of Digital Signal Processing?<br />5) : What is analog signal processing?<br />6) : Classify Digital Signal Processing?<br />. 7) : Advantages of DSP over ASP?<br />8) : What are the disadvantages of DSP?<br />9) : State the factors which decide whether to use analog approach or digital approach in signal<br />processing?<br />10) : Classification of signals?<br />11) : Give an example of a signal which is Multi channel as well as Multidimensional signal?<br />12) : What are the notations used to denote “Continuous-time” and “Discrete-Time” signals.<br />13) : How to obtain Discrete-Time signals?<br />14) : Define Digital Signal and Analog signals?<br />15) : If random signals cannot be described by a mathematical formula how are they analyzed?<br />16) : Is it possible to analyze a digital signal off-line in a laboratory? Justify?<br />17) : List the different ways of representing Discrete-Time signal?<br />18) : What are Standard Test Signals (Sequences)?<br />19) : Classification of discrete-time signals?<br />20) : Define the fundamental period for discrete time signal x (n)?<br />21) : Give examples of periodic signals encountered in practice?<br />22) : What is the criteria for a signal to be referred to as an “energy signal”?<br />23) : What is the criteria for a signal to be referred to as an “power signal”?<br />24) : Which of these signals are “energy” or “power signals”?<br />25) : How much energy does a “power signal” have and how much “power” does an “energy signal”<br />have?<br />26) : Explain the different operations performed on signals?<br />27) : In real-time signal processing applications are the shifting operations on a signal practically<br />achievable? Justify?<br />28) : Are folding and shifting (time-delay or time advance) operations commutative?<br />29) : Define a system? Broadly classify the systems?<br />30) : Define discrete-time system?<br />31) : Why “static system” is called “memoryless” system?<br />32) : What are the steps to test the shift (time) invariance property?<br />33) : What are the steps to test the linearity property?<br />34) : Is a non-causal system physically realizable? Justify?<br />35) : How to check if the system is stable or unstable?<br />36) : What is an “invertible” system?<br />37) : Write a short note on “Block diagram representation of discrete-time system?<br />38) : Does unit delay block require memory?<br />39) : Represent a continuous-time signal and discrete-time signal mathematically?<br />40) : What is LTI or LSI system?<br />41) : Which Tools are used for analysis of LTI system<br />42) : What is linear convolution?<br />43) : In the formula for convolution sum what does h (n) denote?<br />44) : What are the various operations involved in computation of Linear Convolution?<br />45) : What are the different methods of computing linear convolution?<br />46) : State the important properties of linear convolution?<br />47) : What is the stability criteria for LTI system?<br />48) : What are the different methods on converting analog data to digital data?<br />49) : Draw basic block diagram of A/D converter?<br />50) : Define “sampling”?<br />51) : Give the relation ship between continuous time variable ‘t’ and discrete time variable ‘n’?<br />52) : Give the relation ship between continuous time independent variable and discrete time<br />independent variable?<br />53) : Define “sampling period” or “sampling interval” or “sampling time”?<br />Define “sampling rate” or “sampling frequency”?<br />54) : Give the relation between sampling interval and sampling frequency?<br />55) : Give the relationship between continuous time variable‘t’, discrete time variable ‘n’ sampling<br />interval ‘T<br />s<br />’ and sampling frequency ‘F<br />s<br />’<br />55) : Give the notations for continuous time frequency and discrete time frequency?<br />56) : Summarize the continuous time and discrete time frequency relationships?<br />57) : What is the frequency criterion to represent an analog signal by a discrete time signal?<br />58) : Explain the concept of “aliasing”?<br />59) : Show the relationship between the continuous-time frequency and discrete time frequency<br />variables graphically?<br />60) : Define “sampling theorem”?<br />61) : Explain quantization?<br />62) : Classify LTI system on the basis of impulse response h (n)?<br />63) : Define FIR and IIR systems?<br />64) : Does FIR system have finite or limited memory requirement?<br />65) : Does IIR system have finite or limited memory requirement?<br />66) : Is practical implementation of IIR system using linear convolution possible? Justify?<br />67) : Why FIR systems can be implemented and IIR systems cannot be using convolution formula?<br />68) : Classify discrete-time system on the basis of output produced by the system?<br />69) : Explain why Causal LTI FIR systems are Non-Recursive systems?<br />70) : Can a Causal IIR system be implemented in Non-recursive form?<br />71) : Give the generalized form of linear constant coefficient Difference Equation?<br />72) : What is Z transform?<br />73) : Give the different representations of Z Transform?<br />74) : What is complex z-plane?<br />75) : What is ROC?<br />76) : Plot the following Region of Convergence in complex z-plane?<br />77) : How to determine the causality property of a signal using Region of Convergence?<br />78) : What is “Double Sided z-transform” and “One-Sided z-transform”?<br />79) : State the properties of z-transform?<br />80) : How will you compute the convolution of two signals x<br />1<br />(n) and<br /> <br />x<br />2<br />(n) using z-transform?<br />81) : Define Inverse Z-Transform? What is the use of inverse Z-Transform?<br />82) : What is “Rational Z-Transform?<br />83) : Define Poles and Zeros? Give their graphical notations?<br />84) : Define “gain” of z-transform?<br />85) : Explain the term H (z)?<br />86) : Give the equation for System Function of LTI system?<br />87) : Give the condition for Causality of LTI system in terms of z-transform?<br />88) : Give the condition for Stability of LTI system in terms of z-transform?<br />89) : Explain pole-zero cancellation?<br />90) : What is Fourier transform?<br /> 91) : What is the purpose or need of Fourier transform?<br />92) : What is frequency analysis or spectral analysis? What is Spectral Estimation?<br />93) : List the different Fourier Representations?<br />94) : Write the equation for Fourier Transform pair for discrete time signals?<br />95) : What is the difference between Fourier Transform of discrete time signal and continuous time (i.e.<br />analog) signal?<br />96) : Give the condition for the existence of discrete-time Fourier Transform?<br />97) : List the properties of Discrete-Time Fourier Transform?<br />98) : Explain the term H (ω)?Explain the term “Transfer Function”?<br />99) : Explain the term “Frequency Response” of the system?<br />100) : Comment on the magnitude and phase plots of H (ω)?<br />101) : Give the notations for magnitude and phase response of H (ω) and then comment on the<br />magnitude and phase plots of the frequency response of a discrete-time LTI system?<br />102) : What is Discrete Fourier Transform (DFT)?<br />103) : How is the formula For DFT developed?<br />104) : Give the equation for Inverse Discrete Fourier Transform (IDFT)?<br />105) : Is there any relation to compute ‘N’?<br />106) : Compare Fourier Transform and Discrete Fourier Transform?<br />107) : Compare DTFT and DFT?<br />108) : What is called “padding the zeros” or “stuffing the zeros”?<br />109) : In the process of zero padding why only zero is used and not any other number?<br />110) : What is “Twiddle factor? What is its use?<br />111) : Write equations for DFT and IDFT in terms of Twiddle factor and in vector form?<br />112) : State the properties of DFT?<br />113) : Give equation for energy in finite-duration sequence x (n) in terms of the frequency<br />components?<br />114) : What are the applications of DSP?<br />115) : Specify the role of DSP concept you have studied in certain applications<br />116) : Draw the architecture diagram for ADSP-21xx family.<br />117) : Role of each individual unit in DSP processor.<br />118) : Comparison of DSP processor with normal microprocessor <br />119) : Which are the different companies associated with DSP processor. Name those companies along<br />with their processor series.<br />120) : Give the practical example of signals<br />121) : What do you understand from realiziability of a filter <br />122) : What are the ideal characteristics of a filter.<br />123) : While designing a filter which are the factors that you take into considerations.<br />124) : What is cut off frequency, stop band freq, band pass freq and so on.<br />125) : Whether you prefer analog filter designing or digital filter designing and why.<br />126) : What are LPF, HPF, BPF and so on<br />126):- Whether DSP processor is a microprocessor ?<br />127):- How DSP processor is different from general purpose processors ?<br />128):- Which are the commonly used DSP processors ?<br />129):- In which applications DSP processor are used ?<br />130):- Can you quote any examples that use DSP processor ?<br />131):- Which are the different architectures for microprocessors ?<br />132):- Which architecture is used for DSP processors?<br />133):- What is data memory and program memory ?<br />134):- What is the advantage of separate data and program memory?<br />135):- What is DAG in ADSP21XX processors?<br /> 136):- Which addresses are generated by DAG1 and DAG2?<br />137):- What is the function of Bus exchange block in ADSP21XX?<br />138):- What are the inputs and outputs of ALU?<br />139):- Which status signals are generated by ALU?<br />140):- What is the function of Barrel shifter?<br />141):- Which are the three registers in DAGs?<br />142):- Do DSP processors have on chip data and program memories?<br />143):- Which operations are performed by program sequencer?<br />144):- Name the status registers in program sequencer?<br />145):- What is MIPS? What is its value for ADSP 2100 processor?<br />146):- How many external interrupts are available for ADSP210 processor?<br />147):- Name the register associated with Timer?<br />148):- What is system builder?<br />149):- What is assembler?<br />150):- Which files are generated by assemblers?<br />151);- Which file is generated by system builder?<br />152):- Why many NOP instructions are given at the beginning of the program?<br />153):- What is the function of modify register?<br />154) : Draw the frequency spectrum for showing aliasing effects.<br />155) : What is the major role of ROC.<br />156) : Standard signals analysis in various domains.<br />157) : Need of shifting from one domain to another.<br />158):- Certain questions on MATLAB package & its functions<br /> 1) : Define a Signal?<br />2) : Define a System?<br />3) : What is signal processing? Classify?<br />4) : What are the basic elements of Digital Signal Processing?<br />5) : What is analog signal processing?<br />6) : Classify Digital Signal Processing?<br />. 7) : Advantages of DSP over ASP?<br />8) : What are the disadvantages of DSP?<br />9) : State the factors which decide whether to use analog approach or digital approach in signal<br />processing?<br />10) : Classification of signals?<br />11) : Give an example of a signal which is Multi channel as well as Multidimensional signal?<br />12) : What are the notations used to denote “Continuous-time” and “Discrete-Time” signals.<br />13) : How to obtain Discrete-Time signals?<br />14) : Define Digital Signal and Analog signals?<br />15) : If random signals cannot be described by a mathematical formula how are they analyzed?<br />16) : Is it possible to analyze a digital signal off-line in a laboratory? Justify?<br />17) : List the different ways of representing Discrete-Time signal?<br />18) : What are Standard Test Signals (Sequences)?<br />19) : Classification of discrete-time signals?<br />20) : Define the fundamental period for discrete time signal x (n)?<br />21) : Give examples of periodic signals encountered in practice?<br />22) : What is the criteria for a signal to be referred to as an “energy signal”?<br />23) : What is the criteria for a signal to be referred to as an “power signal”?<br />24) : Which of these signals are “energy” or “power signals”?<br />25) : How much energy does a “power signal” have and how much “power” does an “energy signal”<br />have?<br />26) : Explain the different operations performed on signals?<br />27) : In real-time signal processing applications are the shifting operations on a signal practically<br />achievable? Justify?<br />28) : Are folding and shifting (time-delay or time advance) operations commutative?<br />29) : Define a system? Broadly classify the systems?<br />30) : Define discrete-time system?<br />31) : Why “static system” is called “memoryless” system?<br />32) : What are the steps to test the shift (time) invariance property?<br />33) : What are the steps to test the linearity property?<br />34) : Is a non-causal system physically realizable? Justify?<br />35) : How to check if the system is stable or unstable?<br />36) : What is an “invertible” system?<br />37) : Write a short note on “Block diagram representation of discrete-time system?<br />38) : Does unit delay block require memory?<br />39) : Represent a continuous-time signal and discrete-time signal mathematically?<br />40) : What is LTI or LSI system?<br />41) : Which Tools are used for analysis of LTI system<br />42) : What is linear convolution?<br />43) : In the formula for convolution sum what does h (n) denote?<br />44) : What are the various operations involved in computation of Linear Convolution?<br />45) : What are the different methods of computing linear convolution?<br /> 46) : State the important properties of linear convolution?<br />47) : What is the stability criteria for LTI system?<br />48) : What are the different methods on converting analog data to digital data?<br />49) : Draw basic block diagram of A/D converter?<br />50) : Define “sampling”?<br />51) : Give the relation ship between continuous time variable ‘t’ and discrete time variable ‘n’?<br />52) : Give the relation ship between continuous time independent variable and discrete time<br />independent variable?<br />53) : Define “sampling period” or “sampling interval” or “sampling time”?<br />Define “sampling rate” or “sampling frequency”?<br />54) : Give the relation between sampling interval and sampling frequency?<br />55) : Give the relationship between continuous time variable‘t’, discrete time variable ‘n’ sampling<br />interval ‘T<br />s<br />’ and sampling frequency ‘F<br />s<br />’<br />55) : Give the notations for continuous time frequency and discrete time frequency?<br />56) : Summarize the continuous time and discrete time frequency relationships?<br />57) : What is the frequency criterion to represent an analog signal by a discrete time signal?<br />58) : Explain the concept of “aliasing”?<br />59) : Show the relationship between the continuous-time frequency and discrete time frequency<br />variables graphically?<br />60) : Define “sampling theorem”?<br />61) : Explain quantization?<br />62) : Classify LTI system on the basis of impulse response h (n)?<br />63) : Define FIR and IIR systems?<br />64) : Does FIR system have finite or limited memory requirement?<br />65) : Does IIR system have finite or limited memory requirement?<br />66) : Is practical implementation of IIR system using linear convolution possible? Justify?<br />67) : Why FIR systems can be implemented and IIR systems cannot be using convolution formula?<br />68) : Classify discrete-time system on the basis of output produced by the system?<br />69) : Explain why Causal LTI FIR systems are Non-Recursive systems?<br />70) : Can a Causal IIR system be implemented in Non-recursive form?<br />71) : Give the generalized form of linear constant coefficient Difference Equation?<br />72) : What is Z transform?<br />73) : Give the different representations of Z Transform?<br />74) : What is complex z-plane?<br />75) : What is ROC?<br />76) : Plot the following Region of Convergence in complex z-plane?<br />77) : How to determine the causality property of a signal using Region of Convergence?<br />78) : What is “Double Sided z-transform” and “One-Sided z-transform”?<br />79) : State the properties of z-transform?<br />80) : How will you compute the convolution of two signals x<br />1<br />(n) and<br /> <br />x<br />2<br />(n) using z-transform?<br />81) : Define Inverse Z-Transform? What is the use of inverse Z-Transform?<br />82) : What is “Rational Z-Transform?<br />83) : Define Poles and Zeros? Give their graphical notations?<br />84) : Define “gain” of z-transform?<br />85) : Explain the term H (z)?<br />86) : Give the equation for System Function of LTI system?<br />87) : Give the condition for Causality of LTI system in terms of z-transform?<br />88) : Give the condition for Stability of LTI system in terms of z-transform?<br />89) : Explain pole-zero cancellation?<br />90) : What is Fourier transform?<br /> <br />91) : What is the purpose or need of Fourier transform?<br />92) : What is frequency analysis or spectral analysis? What is Spectral Estimation?<br />93) : List the different Fourier Representations?<br />94) : Write the equation for Fourier Transform pair for discrete time signals?<br />95) : What is the difference between Fourier Transform of discrete time signal and continuous time (i.e.<br />analog) signal?<br />96) : Give the condition for the existence of discrete-time Fourier Transform?<br />97) : List the properties of Discrete-Time Fourier Transform?<br />98) : Explain the term H (ω)?Explain the term “Transfer Function”?<br />99) : Explain the term “Frequency Response” of the system?<br />100) : Comment on the magnitude and phase plots of H (ω)?<br />101) : Give the notations for magnitude and phase response of H (ω) and then comment on the<br />magnitude and phase plots of the frequency response of a discrete-time LTI system?<br />102) : What is Discrete Fourier Transform (DFT)?<br />103) : How is the formula For DFT developed?<br />104) : Give the equation for Inverse Discrete Fourier Transform (IDFT)?<br />105) : Is there any relation to compute ‘N’?<br />106) : Compare Fourier Transform and Discrete Fourier Transform?<br />107) : Compare DTFT and DFT?<br />108) : What is called “padding the zeros” or “stuffing the zeros”?<br />109) : In the process of zero padding why only zero is used and not any other number?<br />110) : What is “Twiddle factor? What is its use?<br />111) : Write equations for DFT and IDFT in terms of Twiddle factor and in vector form?<br />112) : State the properties of DFT?<br />113) : Give equation for energy in finite-duration sequence x (n) in terms of the frequency<br />components?<br />114) : What are the applications of DSP?<br />115) : Specify the role of DSP concept you have studied in certain applications<br />116) : Draw the architecture diagram for ADSP-21xx family.<br />117) : Role of each individual unit in DSP processor.<br />118) : Comparison of DSP processor with normal microprocessor <br />119) : Which are the different companies associated with DSP processor. Name those companies along<br />with their processor series.<br />120) : Give the practical example of signals<br />121) : What do you understand from realiziability of a filter <br />122) : What are the ideal characteristics of a filter.<br />123) : While designing a filter which are the factors that you take into considerations.<br />124) : What is cut off frequency, stop band freq, band pass freq and so on.<br />125) : Whether you prefer analog filter designing or digital filter designing and why.<br />126) : What are LPF, HPF, BPF and so on<br />126):- Whether DSP processor is a microprocessor ?<br />127):- How DSP processor is different from general purpose processors ?<br />128):- Which are the commonly used DSP processors ?<br />129):- In which applications DSP processor are used ?<br />130):- Can you quote any examples that use DSP processor ?<br />131):- Which are the different architectures for microprocessors ?<br />132):- Which architecture is used for DSP processors?<br />133):- What is data memory and program memory ?<br />134):- What is the advantage of separate data and program memory?<br />135):- What is DAG in ADSP21XX processors?<br /> 136):- Which addresses are generated by DAG1 and DAG2?<br />137):- What is the function of Bus exchange block in ADSP21XX?<br />138):- What are the inputs and outputs of ALU?<br />139):- Which status signals are generated by ALU?<br />140):- What is the function of Barrel shifter?<br />141):- Which are the three registers in DAGs?<br />142):- Do DSP processors have on chip data and program memories?<br />143):- Which operations are performed by program sequencer?<br />144):- Name the status registers in program sequencer?<br />145):- What is MIPS? What is its value for ADSP 2100 processor?<br />146):- How many external interrupts are available for ADSP210 processor?<br />147):- Name the register associated with Timer?<br />148):- What is system builder?<br />149):- What is assembler?<br />150):- Which files are generated by assemblers?<br />151);- Which file is generated by system builder?<br />152):- Why many NOP instructions are given at the beginning of the program?<br />153):- What is the function of modify register?<br />154) : Draw the frequency spectrum for showing aliasing effects.<br />155) : What is the major role of ROC.<br />156) : Standard signals analysis in various domains.<br />157) : Need of shifting from one domain to another.<br />158):- Certain questions on MATLAB package & its functions<br />

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