check bit


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check′ bit`



n.
a binary digit used to check for errors in the electronic transmission or storage of a unit of information.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun1.check bit - (computer science) a bit that is used in an error detection procedure in which a 0 or 1 is added to each group of bits so that it will have either an odd number of 1's or an even number of 1's; e.g., if the parity is odd then any group of bits that arrives with an even number of 1's must contain an error
parity bit, parity
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
bit - a unit of measurement of information (from binary + digit); the amount of information in a system having two equiprobable states; "there are 8 bits in a byte"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Thereafter, if one bit is lost, the check bit can be used with the three remaining bits to recover the missing bit.
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Recall that each node has a check bit [b.sub.ind] and the reply is made only if every check bit of the decrypted nodes has the proper value.
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This RAID level utilizes a parity check bit to analyze whether data has been lost or altered.
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25 mins LESSON 1 central processor, cores, bits, bytes, storing data, check bit, parity, words, addresses, flow charts, program area, data area, op codes, op code chart, three address system, machine coding.
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* Check bit (one block memory) to determine is the user's vehicle already is in the parking lot or not.
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This data is: UID--Unique Identification--encode check, validity period--locked data for date, time, and year, so that the tag can be used only in defined period (after locking this data no one can unlock these blocks for reuse), check bit (one block memory) to determine is the user's vehicle already is in the parking lot or not.
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Table I: BCH and RS Parameters PARAMETERS BOSE-CHAUDHRI-HOCQUENGHEM REED SOLOMON BLOCK LENGTHS n = 2 [conjunction] v-1 N=2 [conjunction] v-1 NO OF CHECK BITS N -k<= vt n-k= v(2t) MINDISTANCE Dmin>=2t+1 Dmin=2t+1 Table 2: Comparison of coding WITHOUT ENCODING 1 BCH CODING Eb/N0 BER 6 0.0039703 0.0023754 7 0.007551170 0.0015202 8 0.0003050412 0.0001450225 9 0.0000500068 0.0000250039 10 0.0000150020 0.00000500089 Table 2: BER System performance in AWGN channel SNR BER 1 0.068 6 0.088 10 0.101 15 0.08075 20 0.087
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B and C then announce the result of the XOR of their check bits to A.
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Their study revealed that a successful design should employ the most effective extra check bits to make full use of information in relayed bits to help decode the message from two users.
Improved iterative decoding of network-channel codes for multiple-access relay channel

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