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Q. What do you mean by Source Encoding?
After the quantization of message samples, the digital system will then code each quantized sample into a sequence of binary digits (bits) 0 and 1. Using the natural binary code is a simple approach. For a code with Nb bits, integers N (from 0 to 2Nb - 1) are represented by a sequence of digits, bN ,bN -1,...,b2,b1, such that
Note that b1 is known as the least signi?cant bit (LSB), and bNb as the most signi?cant bit (MSB).
Since a natural binary code of Nb bits can encode Lb = 2Nb levels, it follows that
L ≤ Lb= 2Nb
if L levels span the message variations. For example, in Figure (b), Nb = 3 and L = 8; the binary code word 010 represents 0(23-1) + 1(21) + 0(20) = 2 V, and 110 represents 1(23-1) + 1(21) + 0(20) = 6 V. Thus, binary code words with Nb = 3 are shown in Figure (b).
Q. Describe Pulse dialling? Pulse dialling: 1. Generated through make and break contact. 2. DC Current pulse is generated. 3. Each number is separated by a short
Q. Show the Storage Layout of digital system? The IEEE floating point numbers have three basic components: the sign, the exponent, and the mantissa. A mantissa is composed of t
RLC Rotate Accumulator Left Instruction This instruction also rotates the contents of the accumulator towards left by one bit. The D 0 bit moves to D 1 bit moves to D
Q. Find the currents I x using current division and equivalent resistor reductions for the networks given in Figure.
Sign flag Since D 7 bit in the results is 0sign flag is reset. This also shown that the results is positive.
List the different types of flags affected by the arithmetic and logic operations. Carry flag, Auxiliary carry flag , Parity flag, Sign flag, Zero flag
1. Data is to be transmitted using a modem at 9600 bps. Determine the minimum bandwidth of the system with the following modulation methods (a) FSK (b) ASK. Use the excess
Bronze is an alloy of (A) Copper and Tin. (B) Copper and Steel. (C) Copper and Mercury. (D) Copper and Aluminium. Ans: Bronze is an alloy of Cop
Q. Show Binary Coded Decimal Number System? If we analysis single digit values for hex, the numbers 0 - F, they represent the values 0 - 15 in decimal, and occupy a nibble. Fre
The RAKE receiver exploits multipath channel characteristics and scrambling codes with good cross-correlation properties to realize a maximum ratio diversity combiner. Multipath pr
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