Bh.Questionbanks  EXTC 
Brainheaters Questionbanks (Semester Exam) is the collection of handpicked set of questions which are mostly repeated, important and recommended. Learning this set of questions can easily help you top or even just clear the exams. Given below are Expected Questionbanks for semester.
Semester 5DC
MODULE1 1. State the relationship between PDF and CDF, give the properties of PDF. (5M) 2. State and Prove the conditional probability. (10M) 3. Define the following terms and give their significance. i) Mean ii) Central moment iii) variance iv) standard deviation. (10M) 4. Explain autocorrelation and covariance of random variable. (5M) 5. What are the properties of CDF? (5M) 6. What are the random processes? Explain Central limit theorem. (10M) MODULE2 1. Write the Numerical for Discrete memoryless source. (10M) 2. Shannon Hartley theorem for channel capacity. (5M) 3. What is the Entropy of an information source?When is entropy maximum? (5M) 4. Write the Numerical for Determine the Huffman code, calculate the average codeword length, entropy and coding efficiency. (10M) MODULE3 1. Define entropy of an information source? When is the entropy maximum? (5M) 2. Write the Numerical for (Given) Find i) Unipolar NRZ ii) Polar RZ iii) Manchester, Select the best and justify the answer 3. Write the Numerical for For impulse responses (Given) design the state diagram. (5M) 4. Write the Numerical for (Given) Draw i) encoder ii) state diagram iii) code transfer function 5. Write the Numerical for Sketch the encoder and syndrome calculator for the generator polynomial (Given) and obtain the syndrome for the received codeword. (10M) 6. Write the Numerical for Find the code vector for the message stream (Given value) using time domain approach. Verify the code vector using transform approach. (10M) 7. Write a short note on 1) Modified duobinary encoder. 2) Need for error control codes. 8. Explain role of hamming distance in error detection & correction? (5M) 9. Justify/Contradict: Syndrome depends on error pattern and received code word. (5M) 10. Write the Numerical for Linear block code having following parity check equations. 11. Systematic and nonsystematic block codes. MODULE4 1. Draw the signal space diagram for 16PSK and 16QAM and find the error probability. Also draw their PSD and determine bandwidth. (10M) 2. Give a comparison between the basic digital modulation techniques (ASK, FSK and PSK). (5M) 3. Justify that distance of 16QAM is greater than 16Ary PSK & less than QPSK. (10M) 4. Power spectral density and bandwidth of 16Ary PSK. (10M) 5. Explain the working of Minimum Shift Keying, modulator and demodulator, with the help of block diagram and waveform. (10M) MODULE5 1. Discuss the problem of inter symbol interference(ISI). Explain the measures to be taken to reduce ISI . How to study ISI using eye pattern? (10M) 2. Nyquist criterion for zero ISI. (10M) MODULE6 1. Derive an expression for the probability of error of the matched filter. (10M) 2. Coherent and noncoherent digital detection techniques. (10M) DTSP
MODULE1 1. Write the Numerical for DIF FFT. (5M) 2. State and prove frequency shifting property of DFT. (5M) 3. Develop composite radix DIT FFT flow graph. (10M) 4. Explain dual tone multi frequency detection using Goertzel's algorithm. (10M) 5. Write the Numerical for Find DFT (Given). Using these results and not otherwise find DFT. (10M) 6. State the relationship between DTFS, DTFT and DFT. (5M) 7. Explain how the speed is improved in calculating DTFT by using FFT algorithm. (5M) 8. Write the Numerical for Compute circular convolution of following sequences using DIT FFT and DIT FFT (10M) 10. Write the Numerical for Develop composite radix DIF FFT (Given). (10M) MODULE2 1. Compare Impulse invariant method and BLT method. (5M) 2. Write the Numerical for Design a digital butterworth filter that satisfies following constraints using bilinear transformation method. (10M) 3. Write the Numerical for Obtain digital filter transfer function by applying impulse invariance transfer function. (8M) 4. Write the Numerical for A high pass filter is to be designed with the following desired frequency response. (10M) 5. Explain the mapping from Splane to Zplane using impulse invariance technique. Also explain the limitations of this method. (10M) 6. Write the Numerical for Design chebyshevI filter. (10M) 7. Write the Numerical for Design a digital butterworth filter that satisfies following constraints using bilinear transformation method. MODULE3 1. State advantages of digital filters. (5M) 2. Design a linear phase FIR low pass filter of length 7 and cutoff frequency 1 rad/sec using Hamming window. (10M) 3. Differentiate FIR and IIR filters. (5M) 4. Write the Numerical for A digital filter has the following transfer function. (5M) 5. Explain design steps for to design FIR filter using frequency sampling method. (10M) MODULE4 1. Explain Finite word length effects in digital filters. (10M) 2. Explain the effects of finite word length in digital filters with examples. (10M) MODULE5 1. Write a short note on Replication. (5M) 2. Explain architecture of TMS320C67XX DSP processor with the help of neat Diagram. (10M) 3. Differentiate fixed point and floating point implementations. (5M) MODULE6 1. Explain application of DSP processor to radar signal processing. (6M) 2. Explain application of DSP processor in ECG signal analysis. (10M) EME
MODULE1 1. Write the Numerical for Calculate Divergence and Curl of (Given) Units. (5M) 2. Explain Gauss's Law in detail with applications. (5M) 3. Derive relationship between Electric field and Voltage. (5M) 4. Write the Numerical for Find out total Electric field at Origin because of following charge distributions (Given) (10M) 5. Write the Numerical for Find the electric field at the origin and direction of electric field (10M) 6. Electric Dipole. (5M) MODULE2 1. Derive Laplacian 's Equation for charge free dielectric region. (5M) 2. Write the Numerical for Prove that dielectric of capacitor does not carry any charge. (10M) 3. Write the Numerical for Calculate charge density due to electric flux density (5M) 4. Obtain point format of Continuity equation. (5M) 5. Write the Numerical for List boundary conditions for time varying field if given that (10M) 6. Write the Numerical for Obtain Poisson's and Laplacian Equation used to solve boundary problems for conducting plates. (10M) MODULE3 1. Derive magnetic field provided by infinite thin filament carrying current I suspended on 'z' axis. Also, provide significance over short filament. Module no. 3  (10M) 2. Express Biot Savart's law in vector format. Module no. 3  (5M) 3. For infinite long conductor of radius ‘a' carrying current I. determine Magnetic field everywhere. Module no. 3  (10M) 4. Write the Numerical for Magnetic field component of an EM wave propagating through a nonmagnetic medium. (10M) MODULE4 1. Explain Wave equation for free space. (5M) 2. Derive Faraday's Law with suitable applications. (5M) 3. Explain Point and Integral format of Time Varying field Maxwell's Equation with appropriate examples. (10M) 4. Write the Numerical for Reflection of Plane Wave (10M) 5. Write the Numerical for Aircraft antenna radiates Electric field. (510M) 6. Derive poynting vector and explain the effects of medium parameters on EM power with suitable diagram. (10M) 7. Helmholtz's Equation. (5M) 8. Write the Numerical for Calculate displacement current density. (5M) 9. Write the Numerical for Define the following terms 1) Uniform Plane waves 2) TEM wave 10. Explain in brief Maxwell's Equation for Time varying field in integral and Point format, also give their significance. (10M) 12. Obtain Integral form of Poynting Theorem and Explain the significance of each term. (10M) 13. Wave propagation through lossy dielectrics. (5M) MODULE5 1. Explain Reflection Coefficient of Transmission lines. (5M) 2. Write the Numerical for Calculate input impedance of the lossless transmission line (Given) (Either by theoretical method or by Smith chart). (10M) 3. Wave equation for transmission line. (5M) 4. Define the term Characteristics Impedance, Write expressions for the same for Lossy and Lossless lines. (5M) 5. Write the Numerical for Smith chart determine 1) Reflection Coefficient 2) SWR 3) Input Impedance at 0.2ƛ from load verifying the same using analytical solution MODULE6 1. Super Conductivity. (5M) 2. Electrical discharge. (5M) 3. Electrostatic discharge. (5M) 4. Magnetic Levitation. (5M) MPI
MODULE1 1. Explain need of assembly language and compare with high level languages. (5M) 2. What are the different types of buses in microprocessor based system? Discuss their role in the system in brief. (10M) 3. Explain need of Assembler and compiler and their comparison. (5M) 4. Draw and explain the Block diagram of microprocessor based system. (10M) MODULE2 1. Explain Minimum mode of 8086 µp. Draw a timing diagram for Read operation in minimum mode. (10M) 2. Draw and Explain the Flag register of 8086µp? (5M) 3. Explain Maximum mode of 8086 µp. Draw a timing diagram for Read operation in maximum mode. (10M) MODULE3 1. Write an 8086 based program to read a character from keyboard of IBM PC and display it on the screen. Use INT 21H, function AH=07 that reads character input without echo in reg. AL and function AH= 02 to display a character stored in register DL. Explain the logic of the program in brief. (5M) 2. Ten, 8 bit numbers are stored in data segment. Write an 8086 based program to check whether at least one number out of these numbers matches with 20H or not .If match is found make AH =00H otherwise AH= FFH. (10M) 3. Write a program to find strength of positive and negative numbers among the series of 10 signed numbers. (10M) 4. Write a program to display "P" on the screen of IBM PC. Use INT 21H function AH =02 and DL= character to display. Explain the logic of the program. How will you alter the character to be displayed? (5M) 5. If 32K RAM (2 chips of 16K each) are interfaced with 8086. Assuming that last physical address of RAM is FFFFFH, what will be starting and end address of each chip? (5M) 6. Write a program to find maximum number from an array of 10 numbers. Assume that the numbers are 8 bit wide. (10M) 7. Write a program to find strength of Even and Odd numbers among the series of 10 numbers.(10M) 8. Suggest hardware and write a program to generate a square wave at the output of DAC 08 which is interfaced with 8086 CPU. How will you ensure bottom edge of 0 V and upper edge of 3.6 V for the square wave generated? Comment on method of changing the frequency square wave generated.(10M) MODULE4 1. What is memory segmentation of 8086? Explain in brief. (5M) 2. If (CS)= 5000H, (DS)= 6000H, (SS)= 7000H and (ES)= 8000H, draw the memory map of 8086 cpu with starting and end physical address of each segment. (5M) 3. Describe the features of Programmable Interrupt Controller 8259. What is master slave configuration of 8259? (10M) 4. Design an 8086 based system with 32K RAM (2 chips of 16K). Draw the memory map of the system designed. (10M) 5. Explain the salient features of programmable interval timer 8255. What are the different modes of operations? Explain in brief. (10M) 6. Describe the importance of 8257 DMA controller. Explain the Data transfer modes of 8257 DMA controller. (10M) 8. Explain the salient features of Programmable Interval Timer 8254. What are different modes of operations? Explain in brief. (10M) MODULE5 1. Draw and Explain the interfacing of DAC 08 with 8086 Microprocessor. (10M) 2. If analog voltage of 3.2V is connected to the IN3 channel of ADC 0809.suggest hardware and write a program to convert analog voltages to digital equivalent and store the value in the AL register. Comment on the digital equivalent expected. (10M) 3. Draw and Explain the interfacing of ADC 0809 with 8086 Microprocessor using 8255. (10M) MODULE6 1. Explain the communication of Math coprocessor with 8086. (10M) 2. Draw and Explain the interfacing of Math coprocessor with 8086. (10M) Semester 6MCA
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CCN
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