Recent questions tagged hamming-code

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1

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

asked Jan 19 in Computer Networks by Rahul_Rathod_ Junior (565 points) | 71 views

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1 answer

2

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

asked Jan 9 in Computer Networks by Markzuck Junior (635 points) | 68 views

+1 vote

2 answers

3

#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

asked Nov 19, 2018 in Computer Networks by iarnav Loyal (9.5k points) | 155 views

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2 answers

4

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 _________.

asked Nov 14, 2018 in Digital Logic by aditi19 Active (2.3k points) | 265 views

+1 vote

2 answers

5

GATEBOOK-2019-CN1-5
Minimum hamming distance for detection of $3$ errors or correction of $2$ errors. $5$ $4$ $6$ $3$

asked Oct 28, 2018 in Computer Networks by GATEBOOK Boss (15.3k points) | 146 views

+1 vote

1 answer

6

GATEBOOK-2019-CN1-15
Sixteen-bit messages are transmitted using a Hamming code. Check bits needed (minimum) to ensure that the receiver can detect and correct single-bit errors is _____?

asked Oct 28, 2018 in Computer Networks by GATEBOOK Boss (15.3k points) | 126 views

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7

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

asked Oct 2, 2018 in Digital Logic by Abikkkaaa (43 points) | 122 views

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1 answer

8

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 ?

asked Sep 3, 2018 in Computer Networks by Na462 Loyal (8.6k points) | 194 views

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9

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?

asked Jul 21, 2018 in Digital Logic by bhavnakumrawat5 (203 points) | 20 views

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1 answer

10

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

asked Jun 15, 2018 in Computer Networks by bts (149 points) | 134 views

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1 answer

11

Hamming Distance Question

asked Dec 31, 2017 in Computer Networks by hem chandra joshi Active (4.7k points) | 462 views

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12

Doubts
Plz someone tell the answer of this question

asked Dec 20, 2017 in Computer Networks by nikkey123 Active (1.5k points) | 49 views

+1 vote

0 answers

13

Computer_Network_Online

asked Dec 7, 2017 in Computer Networks by saxena0612 Boss (12k points) | 235 views

+2 votes

1 answer

14

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 ?

asked Oct 18, 2017 in Computer Networks by just_bhavana Boss (12.4k points) | 638 views

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1 answer

15

hamming code direction of parity bits From left or right?
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 2. 1 0 0 P4 1 P2 P1 Which is correct?

asked Sep 23, 2017 in Computer Networks by Parshu gate Active (5.1k points) | 563 views

+3 votes

2 answers

16

Hamming Code

asked Aug 15, 2017 in Digital Logic by Beyonder Junior (653 points) | 550 views

+1 vote

1 answer

17

Cn Linear block code
Which of the following are linear block codes?Remember exor of two valid linear block codes is a valid codeword a) CRC b) Hamming code c) Simple parity d)All e)None

asked Aug 15, 2017 in Computer Networks by rahul sharma 5 Boss (26.6k points) | 101 views

+1 vote

1 answer

18

Hamming Distance, Linear Block Codes
Following text and screenshot are taken from Forouzan's CN book: "In a linear block code, the exclusive OR (XOR) of any two valid codewords creates another valid codeword." My question is EXoring of which two codewords in Table 10.2 will create first codeword 00000?

asked Jul 31, 2017 in Computer Networks by Manu Thakur Boss (42.6k points) | 449 views

0 votes

1 answer

19

coahing
For the 7 bit hamming code ,calculate the probability of decoding to a wrong codeword if the code is used for a channel with bit error probability 0.2 ?

asked May 4, 2017 in Computer Networks by Kuldeep Pal Active (1.4k points) | 104 views

+15 votes

2 answers

20

GATE2017-2-34
Consider the binary code that consists of only four valid codewords as given below: 00000, 01011, 10101, 11110 Let the minimum Hamming distance of the code $p$ and the maximum number of erroneous bits that can be corrected by the code be $q$. Then the values of $p$ and $q$ are $p=3$ and $q=1$ $p=3$ and $q=2$ $p=4$ and $q=1$ $p=4$ and $q=2$

asked Feb 14, 2017 in Digital Logic by Arjun Veteran (384k points) | 3.8k views

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1 answer

21

Testbook
Assume x, y and z are n bit binary numbers then which of the following inequalities hold about Hamming Distance between them? A. HD(x,y)+HD(y,z)>=HD(x,z) B. HD(x,y)+HD(y,z)<=HD(x,z) C. HD(x,y) - HD(y,z)>=HD(x,z) D. None of the above

asked Oct 29, 2016 in Computer Networks by amitlko Junior (827 points) | 107 views

+1 vote

1 answer

22

Tanenbaum Datalink layer Question, Hamming Code
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.

asked Sep 14, 2016 in Computer Networks by Debashish Deka Veteran (58k points) | 970 views

+1 vote

1 answer

23

UGCNET-Dec2010-II-10
Encoding of data bits $0011$ into $7$-bit even Parity Hamming Code is $0011110$ $0101110$ $0010110$ $0011100$

asked Sep 5, 2016 in Computer Networks by makhdoom ghaya Boss (41.2k points) | 1.6k views

0 votes

2 answers

24

hamming code error detection and correction
Can anyone explain me how to detect and correct errors using hamming code ?

asked Sep 1, 2016 in Computer Networks by Karthik Akula (471 points) | 2.2k views

+3 votes

1 answer

25

UGCNET-June2015-III-66
In a binary Hamming Code the number of check digits is r then number of message digits is equal to $2^r-1$ $2^r-r-1$ $2^r-r+1$ $2^r+r-1$

asked Aug 2, 2016 in Computer Networks by jothee Veteran (115k points) | 1k views

+2 votes

4 answers

26

ISRO2011-48
The hamming distance between the octets of 0xAA and 0x55 is 7 5 8 6

asked Jun 15, 2016 in Computer Networks by Isha Gupta (357 points) | 2.1k views

0 votes

2 answers

27

hamming code
how this relation (m+r+1)<=2^r comes?? please explain.

asked Feb 8, 2016 in Computer Networks by indrajeet Active (2k points) | 409 views

+1 vote

3 answers

28

Question on hamming code with even parity
Please check how the correct answer is B.

asked Jan 30, 2016 in Computer Networks by shikharV Active (4.3k points) | 2.7k views

+15 votes

5 answers

29

GATE1994-9
Following $7$ ... (assuming that at most $1$ bit could be corrupted). If the message contains an error find the bit which is erroneous and gives correct message.

asked Oct 6, 2014 in Computer Networks by Kathleen Veteran (59.9k points) | 1.4k views

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