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Describe entropy encoding and source encoding. Also describe how Huffman code tree is constructed?
Describe the principle DPCM and Adaptive DPCM used in audio compression technique.
Define the meaning, bit-rate and use of the following PSTN high-speed access technologies: IDSL, HDSL, SDS.
Describe PAM/TDM system with suitable block diagram and explain briefly about the following: Frame, Signaling rate.
Describe in detail Veterbi decoding algorithm. Provide suitable example to illustrate its implementation and convergence to correct code.
Suppose we have ten messages of probabilities: P(m1) = 0.49, P(m2) = 0.14,P(m3) = 0.14, P(m4) = 0.07, P(m5) = 0.07, P(m6)=.04, P(m7) = 0.02. Determine the Shanon Fano code for the set of messages. Det
Describe the speech recognition architecture. What are the various approaches for speech recognition?
Describe Fourier transform properties in signal processing and image processing.
Explain programmable interval timer/event counter with the help of appropriate example.
Describe interrupt priorities, interrupt service routine and interrupt vector table.
Interface the 8 bit DAC 08 to port A. Write down the 8086-assembly program segment to output a ramp.
Sketch the pin schematic of DMA controller and explain the series of actions which a DMA controller will carry out after it receives a request from a peripheral device to transfer data from peripher
Sketch and describe the 8086 bus activities during write machine cycle.
Design BCD to gray converter for digital circuits.
Design the circuit diagram of 3-input TTL NAND gate.
Design the circuit of an S-R Flip Flop using NAND gates only. From it derive circuit of a D-Flip Flop and describe its truth table.
Where do we utilize D-Flip Flop and clocked Flip Flops?
Draw the truth table of Half-subtractor and from it realizes its circuit.
Where do we use DC PRESET and DC CLEAR terminals in Flip Flops?
What are Universal gates? Realize different Logic gates using Universal gates only.
Write down the truth table of Ex-NOR gate. Write down the difference between MUX and DEMUX.
Compare the network model and Hierarchical Model for database.
What do you understand by encryption on databases? Distinguish between internet and intranet.
Write down a C program to sort the data in two dimensional array.