Complete the Hamming code below for the numerical values 0 to 9 inserting the EV
ID: 3565533 • Letter: C
Question
Complete the Hamming code below for the numerical values 0 to 9 inserting the EVEN parity bits in the positions P1, P2, and P4.
P1 checks P1,3,5,7; P2 checks P2,3,6,7; P4 checks P4,5,6,7.
P1 P2 P3 P4 P5 P6 P7 p=position
0 0 0 0 0
1 0 0 0 1
2 0 0 1 0
3 0 0 1 1
4 0 1 0 0
5 0 1 0 1
6 0 1 1 0
7 0 1 1 1
8 1 0 0 0
9 1 0 0 1
Insert an error in bit position P6 for the code for 3 and show how the detection is determined.
Explain how the check bit is calculated in the POSTNET code. Why is the weighted code not a perfect one for all values in this postal code?
Explain how the parity bit checks work in a 9-bit tape system.
A=1, C=1. Below is the waveform of B as it falls from 1 to 0.
Assuming that each logic gate has the same propagation delay through it, draw the waveforms for X, Y and Z showing their timing relationships to the B waveform.
To calculate the parity values for this 4-digit Hamming code, XOR gates are used. The equation that results is F = D xor C xor B xor A. As a function F it means that, in this case, F = 1 whenever there are an ODD number of 1
Complete the Hamming code below for the numerical values 0 to 9 inserting the EVEN parity bits in the positions P1, P2, and P4. P1 checks P1,3,5,7; P2 checks P2,3,6,7; P4 checks P4,5,6,7. Insert an error in bit position P6 for the code for 3 and show how the detection is determined. Explain how the check bit is calculated in the POSTNET code. Why is the weighted code not a perfect one for all values in this postal code? Explain how the parity bit checks work in a 9-bit tape system. A=1, C=1. Below is the waveform of B as it falls from 1 to 0. Assuming that each logic gate has the same propagation delay through it, draw the waveforms for X, Y and Z showing their timing relationships to the B waveform. To calculate the parity values for this 4-digit Hamming code, XOR gates are used. The equation that results is F = D xor C xor B xor A. As a function F it means that, in this case, F = 1 whenever there are an ODD number of 1?s. Complete the truth table below assigning F as a 1 whenever there are an ODD number of 1s in DCBA. Show, by listing the values of the inputs and by drawing a logic diagram, how the function F can be implemented using a MUX. Why do we use a look-ahead carry function? Describe the overall function of an ALU indicating all the input variables. Functionally, what is the difference between mask?programmed and FPGAs? Draw and describe the functionality of the 4 varieties of tristate buffers. Analyze the waveforms of the positive edge-triggered JK flip-flop below and carefully draw the output Q of the circuit.Explanation / Answer
P1 0, 1, 0, 1, 1, 0, 1, 0, 1, 0
P2 0, 1, 1, 0, 0, 1, 1, 0, 1, 0
P4 0, 1, 1, 0, 1, 0, 0, 1, 0, 1
Error position is deteced by recalculating the check bits after the error is set. The check bits (in binary weigted form C4, C2, C1) will show what bit the error is in.
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