Recent questions tagged error-detection

16 16 votes
1 1 answer
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Consider the transmission of data bits $110001011$ over a link that uses Cyclic Redundancy Check (CRC) code for error detection. If the generator bit pattern is given to ...
2 2 votes
1 1 answer
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Match the LIST-I with LIST-II$\begin{array}{|l|l|l|l|} \hline & \textbf{LIST-I} & & \textbf{LIST-II} \\ \hline \text{A.} & (100110011)_{2} & \text{I.} & \text{Error detec...
1 1 vote
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Which of the following methods is used to detect double errors?Odd ParityEven ParityChecksum (CRC)Checksum (XOR) 
1 1 vote
1 answers 1 answer
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Consider sending the $6$ -bit message $101000$ using Hamming codes for single-bit error-correction.Calculate the codeword for this message. Use even parity.Invert the las...
2 2 votes
1 1 answer
643
643 views
1 1 vote
1 answers 1 answer
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Given data 10111100 Then P1, P2, P4, Pg parity bits that are attached to data to form codeword are Why they are taking parity bits from LHS in below question A 12 bit ham...
2 2 votes
1 1 answer
874
874 views
In $\text{CRC}$ coding if the data word is $111111$, divisor is $1010$ and the remainder is $110$. Which of the following code is true?$011111101$$001010110$$111111110$$1...
1 1 vote
2 answers 2 answers
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What is the earliest stage compiler error for the following C code snippet:int x = @33;Lexical ErrorSyntax ErrorSemantic ErrorNone
0 0 votes
1 1 answer
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The representation of $4$ bit code $1101$ into $7$ bit, even parity Hamming code is$(1010101)$$(1111001)$$(1011101)$$(1110000)$
1 1 vote
0 0 answers
596
596 views
For 8-bit checksum is this correct?
0 0 votes
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462
462 views
A binary sequence $\text{b[n]}$ is given as shown below$$\text{b[n]}= \{ 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1 \}...
1 1 vote
1 1 answer
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631 views
If the $\text{CRC}$ has Polynomial of degree $\text{n},$ then what is the probability of detecting errors greater then $\text{n}$ ?$\frac{1}{2^{n-1}}$$\frac{1}{2^{n+1}}$$...
0 0 votes
1 1 answer
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682 views
For a hamming code of parity bit $m=5,$ what is the total bits and data bits $?$$(255,247)$$(127,119)$$(31,26)$$(0,8)$
63 63 votes
8 answers 8 answers
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Assume that a $12$-bit Hamming codeword consisting of $8$-bit data and $4$ check bits is $d_8d_7d_6d_5c_8d_4d_ 4d_3d_2c_4d_1c_2c_1$, where the data bits and the check bit...
2 2 votes
1 1 answer
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To the detection of up to $5$ errors in all cases, the minimum Hamming distance in a block code must be ______________.$5$$6$$10$$8$
2 2 votes
4 4 answers
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If the original size of data is $40$ then after adding error detection redundancy bit the size of data length is$26$$36$$46$$56$
1 1 vote
4 4 answers
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Error control is needed at the transport layer because of potential error occurring __________.from transmission line noisein routerfrom out of sequency deliveryfrom pack...
0 0 votes
1 1 answer
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Consider a simple code $\mathcal{C}$ for error detection and correction. Each codeword in $\mathcal{C}$ consists of $2$ data bits $[d_1, d_0]$ followed by check bits $[c_...
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It is necessary to formulate the hamming code for four data bits $D _3, D _5, D _6 and D _7$ together with three parity bits $P _1, P _2 and P _3$.evaluate the 7-bit comp...
1 1 vote
1 1 answer
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Given the 8-bit data word 01011011, generate the 13-bit composite word for the Hamming code that corrects the single bit error and detects double bit errors.
0 0 votes
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23: We need a dataword of at least 11 bits. Find the values of k and n in the Hammingcode C(n, k) with dmin :3. Soln: We need to find k = 2m −1 − m ≥ 11. We use trial an...
3 3 votes
0 0 answers
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32: A sender needs to send the four data items Ox3456, OxABCC, Ox02BC, and OxEEEE. Answer the following:a. Find the checksum at the sender site.b. Find the checksum at th...