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Recent questions tagged hamming-code

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Computer architecture and organization
Consider the last 4 digits of your student register and append with 1122 and represent the number in binary number for data sequence. a) Apply hamming method to find the parity/check/skip bits and show the whole data sequence transmitted. b) Flip the 5th bit from ... 3 8 1 1 2 2 Binary Sequence 0 0 1 0 1 1 0 0 The data sequence for the example is: 00101100

Karthi2003 asked in CO and Architecture Nov 8

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UGC NET CSE | October 2022 | Part 1 | Question:: 55
The representation of $4$ bit code $1101$ into $7$ bit, even parity Hamming code is $(1010101)$ $(1111001)$ $(1011101)$ $(1110000)$

admin asked in Others Oct 23

by admin

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The hamming distance between the octets of 0xAA and 0x55 is (A) 7 (B) 5 (C) 8 (D) 6

Jeetmoni saikia asked in Computer Networks Oct 22

by Jeetmoni saikia

109 views

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Digital Logic | Doubt
Hamming Distance: We can calculate how much Hamming Distance should be there so that we can correct any wrong bit Hamming Code: By Hamming Code we can correct any wrong bit. Questions: 1] Are they both different techniques or there is relation ... Hamming Distance in any two numbers). 2] Why should anybody use Hamming Code where we can correct error by Hamming Distance?

anupamsworld asked in Digital Logic Sep 18

by anupamsworld

71 views

12 votes

3 answers

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GATE CSE 2021 Set 1 | Question: 29
Assume that a $12$-bit Hamming codeword consisting of $8$-bit data and $4$ check bits is $d_8d_7d_6d_5c_8d_4d_4d_3d_2c_4d_1c_2c_1$ ... $0$ and $y$ is $1$ $x$ is $1$ and $y$ is $0$ $x$ is $1$ and $y$ is $1$

Arjun asked in Computer Networks Feb 18, 2021

by Arjun

7.7k views

1 vote

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NIELIT Scientific Assistant A 2020 November: 82
To guarantee correction of upto $5$ errors in all cases, the minimum Hamming distance in a block code must be ______. $11$ $6$ $5$ $2$

gatecse asked in Computer Networks Dec 9, 2020

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3 votes

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UGC NET CSE | October 2020 | Part 2 | Question: 31
Consider a code with only four valid code words: $0000000000$, $0000011111$, $1111100000$, and $1111111111$. This code has distance $5$. If the code word arrived is $0000000111$ then the original code word must be _______ $0000011111$ $0000000000$ $1111100000$ $1111111111$

go_editor asked in Computer Networks Nov 20, 2020

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Morris Mano Edition 3 Exercise 7 Question 42 (Page No. 306)
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 composite code word for the data word 0010. Evaluate ... error detection in the code. Assume that error occurs in the bit $D _5 and P _2$. Show how the error is detected.

ajaysoni1924 asked in Digital Logic Apr 6, 2019

by ajaysoni1924

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Morris Mano Edition 3 Exercise 7 Question 41 (Page No. 306)
How many parity check bits must be included with the data word to achieve single-bit error correction and double error correction when data words are as follows: 16 bits 32 bits 48 bits

ajaysoni1924 asked in Digital Logic Apr 6, 2019

by ajaysoni1924

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Morris Mano Edition 3 Exercise 7 Question 40 (Page No. 306)
A 12-bit hamming code word 8-bits of data and 4 parity bits are read from the memory. What was the original 8-bit data word that was written into the memory if the 12-bits word read out are as follows: 000011101010 101110000110 101111110100

ajaysoni1924 asked in Digital Logic Apr 6, 2019

by ajaysoni1924

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1 answer

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Morris Mano Edition 3 Exercise 7 Question 39 (Page No. 305)
Given that 11-bit data word 11001001010, generate the 15-bit hamming code word.

ajaysoni1924 asked in Digital Logic Apr 6, 2019

by ajaysoni1924

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Morris Mano Edition 3 Exercise 7 Question 38 (Page No. 305)
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.

ajaysoni1924 asked in Digital Logic Apr 6, 2019

by ajaysoni1924

1.0k views

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1 answer

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Andrew S. Tanenbaum Edition 5th Exercise 3 Question 12 (Page No. 252)
Suppose that data are transmitted in blocks of sizes 1000 bits. What is the maximum error rate under which error detection and retransmission mechanism (1 parity bit per block) is better than using Hamming code? Assume that bit errors are independent of one another and no bit error occurs during retransmission.

ajaysoni1924 asked in Computer Networks Mar 16, 2019

by ajaysoni1924

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Andrew S. Tanenbaum Edition 5th Exercise 3 Question 10 (Page No. 252)
A 12-bit Hamming code whose hexadecimal value is 0xE4F arrives at a receiver. What was the original value in hexadecimal? Assume that not more than 1 bit is in error.

ajaysoni1924 asked in Computer Networks Mar 16, 2019

by ajaysoni1924

430 views

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1 answer

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Andrew S. Tanenbaum Edition 5th Exercise 3 Question 9 (Page No. 252)
Sixteen-bit messages are transmitted using a Hamming code. How many check bits are needed to ensure that the receiver can detect and correct single-bit errors? Show the bit pattern transmitted for the message 1101001100110101. Assume that even parity is used in the Hamming code.

ajaysoni1924 asked in Computer Networks Mar 16, 2019

by ajaysoni1924

1.1k views

1 vote

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Andrew S. Tanenbaum Edition 5th Exercise 3 Question 8 (Page No. 252)
To provide more reliability than a single parity bit can give, an error-detecting coding scheme uses one parity bit for checking all the odd-numbered bits and a second parity bit for all the even-numbered bits. What is the Hamming distance of this code?

ajaysoni1924 asked in Computer Networks Mar 16, 2019

by ajaysoni1924

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hamming code
what is approach to solve this type of question?

Rahul_Rathod_ asked in Computer Networks Jan 19, 2019

by Rahul_Rathod_

462 views

1 vote

0 answers

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MadeEasy Test Series 2019: Digital Logic - Hamming Code
plz tell the answer

suneetha asked in Digital Logic Jan 12, 2019

401 views

1 vote

1 answer

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Hamming Error Correction- Madeeasy 2019
someone please post detailed solution pic for this procedure- I am getting bits 1 and 2 as errorneous.

Markzuck asked in Computer Networks Jan 9, 2019

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UPPCL AE 2018:14
Suppose that a code has the following four valid codewords: $\begin{array} \\ 11001100 \\ 00110011 \\ 11111111 \\ 00000000 \end{array}$ What is the minimum number of errors that can be detected for this code? $3$ $4$ $2$ $1$

Lakshman Patel RJIT asked in Computer Networks Jan 5, 2019

by Lakshman Patel RJIT

186 views

2 votes

2 answers

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#CN Forouzan Error Correction Hamming Code
If the Hamming distance between a dataword and the corresponding codeword is three, there are _____ bits in error. A) 5 B) 4 C) 3 D) none of the above

iarnav asked in Computer Networks Nov 19, 2018

by iarnav

2.2k views

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2 answers

22

GATE-ECE-2018
Consider a binary channel code in which each codeword has a fixed length of 5 bits. The Hamming distance between any pair of distinct codewords in this code is at least 2. The maximum number of codewords such a code can contain is _________.

aditi19 asked in Digital Logic Nov 14, 2018

2.9k views

1 vote

1 answer

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Hamming code
A 12-bit Hamming code word 000011101010 containing 8-bits of data and 4 priority bits is read from memory. What is the original 8 bit data word

Abikkkaaa asked in Digital Logic Oct 2, 2018

2.3k views

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1 answer

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Hamming Code
Sixteen-bit messages are transmitted using a Hamming code. How many check bits are needed to ensure that the receiver can detect and correct single-bit errors? Show the bit pattern transmitted for the message 1101001100110101. Assume that even parity is used in the Hamming code. My Solution:- But Correct answer is :- 011110110011001110101 I don't know what i am doing wrong ?

Na462 asked in Computer Networks Sep 3, 2018

by Na462

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Doubt
Given a binary string , in which direction should we place the parity bits , starting from left to right or right to left? Does both give same result Ex : Data is 1001 1. P1 P2 1 P4 0 0 1 https://www.youtube.com/watch?v=tBacTPPNIrk 2. 1 0 0 P4 1 P2 P1 https://www.youtube.com/watch?v=1A_NcXxdoCc&t=109s Which is correct?

bhavnakumrawat5 asked in Digital Logic Jul 21, 2018

by bhavnakumrawat5

218 views

1 vote

1 answer

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Error detection
Let C be a binary linear code with minimum distance 2t + 1 then it can correct upto _____ bits of error. A t + 1 B t C t - 2 D t / 2

bts asked in Computer Networks Jun 15, 2018

by bts

1.3k views

1 vote

2 answers

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Hamming Distance Question

hem chandra joshi asked in Computer Networks Dec 31, 2017

by hem chandra joshi

4.3k views

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Doubts
Plz someone tell the answer of this question

nikkey123 asked in Computer Networks Dec 20, 2017

170 views

3 votes

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29

Computer_Network_Online

saxena0612 asked in Computer Networks Dec 7, 2017

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3 votes

1 answer

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hamming distance
To provide more reliability than the Single Parity Bit technique, a new error-detecting scheme has been proposed. The scheme uses first parity bit for checking all the odd numbered bits and a second parity bit for all the even numbered bits. What is the (minimum) Hamming distance of this code ?

just_bhavana asked in Computer Networks Oct 18, 2017

by just_bhavana

3.1k views

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