Data Structures Algorithms-II MCQs

Page No. 138

Including a parity bit along with the data surely detects the errors.


atrue


bFalse


cA & B


d None of these


View Answer False

A two-out-of-five code consists of _________


aTwo 0s and three 1s


bThree 0s and two 1s


cFour 0s and one 1s


dOne 0s and four 1s


View Answer Three 0s and two 1s

What is the rate of hamming codes?


a1-[r/(2r-1)]


b1-(r/2r)


c1+(r/2r)


dr/2r+1


View Answer 1-[r/(2r-1)]

What is the message length ‘k’ of a Hamming(7,4) code?


a2r-1


b2r-r+1


c2r-r-1


d2r+1-r


View Answer 2r-r-1

What is the total block length ‘n’ of a Hamming code?


a2r


b2r-1


c2r-1-1


d2r+1


View Answer 2r-1

Who invented Hamming codes?


aRichard Hamming


bRoss Hamming


cShannon


dHuffman


View Answer Richard Hamming

Hamming codes can be used for both single-bit error and burst error detection and correction.


aTrue


bFalse


cA & B


d None of these


View Answer True

Why do we require hamming codes?


aError correction


bEncryption only


cDecryption


dBit stuffing


View Answer Error correction

What is the minimal Hamming distance between any two correct codewords?


a1


b2


c3


d4


View Answer 3

The most common hamming codes are a generalized version of?


aHamming(7, 4) code


bHamming(8, 4) code


cHamming(6, 3) code


dHamming(5, 7) code


View Answer Hamming(7, 4) code

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