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Topic: Block check character

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	Definition: block check character (Site not responding. Last check: 2007-10-27)
		block check character (BCC): A character added to a transmission block to facilitate error detection.
		Note: In longitudinal redundancy checking and cyclic redundancy checking, block check characters are computed for, and added to, each message block transmitted.
		This block check character is compared with a second block check character computed by the receiver to determine whether the transmission is error free.
	www.atis.org /tg2k/_block_check_character.html (98 words)

	Block check character: Definition and Links by Encyclopedian.com
		In telecommunication, a block check character (BCC) is a character added to a transmission block to facilitate error detection.
		Note: In longitudinal redundancy checking and cyclic redundancy checking, block check[?] characters are computed for, and added to, each message block transmitted.
		This block check character[?] is compared with a second block check character computed by the receiver to determine whether the transmission is error free.
	www.encyclopedian.com /bl/Block-check-character.html (307 words)

	Synchronous Communications Adapter
		The prime requirement for the characters used to establish bit phase is that the total line transitions must be a minimum of 16 before the data set is ready to accept the SYN characters for character phase.
		This 16-bit block check character is transmitted as two 8-bit characters by the transmitting station and compared at the receiving station with block check characters accumulated by the same algorithm.
		Character gap indicates that the data characters are being received by the buffer too slowly for correct adapter operation.
	www.ibm1130.net /functional/SCA.html (8416 words)

	Aton International Inc. - Bisync White Paper - Embedded and Networked Tech Products Consulting, System Design and ...
		The transmission block buffer contains the entire transmitted or received block except that leading pad, SYN (or DLE SYN in transparent mode), block check BCC, and trailing pad characters are supplied by the driver on transmission and stripped by the driver on receive.
		If the character following the ENQ or DLE ENQ does not have ones in the low order 4 bits, then the ENQ is treated as a data character and included in the block check, and the DLE is included in normal mode or excluded if in transparent mode, and the text receive process continues.
		The driver only stops when all characters in the block are output and a "stop" character was output as the last character of the block; thus several messages can be concatenated.
	www.aton.com /Training/Report_Abstracts/Bisync_Paper/bisync_paper.htm (8095 words)

	A tutorial on character code issues
		A character repertoire is usually defined by specifying names of characters and a sample (or reference) presentation of characters in visible form.
		All the character codes discussed above are "8-bit codes", eight bits are sufficient for presenting the code numbers and in practice the encoding (at least the normal encoding) is the obvious (trivial) one where each code position (thereby, each character) is presented as one octet (byte).
		Most ASCII characters are presented as such, each as one octet, but for obvious reasons some octet values must be reserved for use as "escape" octets, specifying the octet together with a certain number of subsequent octets forms a multi-octet encoded presentation of one character.
	www.cs.tut.fi /~jkorpela/chars.html (13607 words)

	SITA NETWORK by Chretien, Konig & Rech (Site not responding. Last check: 2007-10-27)
		A block, to be accepted as valid by the receiving centre has to be in the proper sequence and must have a correct block check.
		Blocks of one message are always sent via the same circuit unless the considered circuit is down, in which case the remaining blocks are transmitted via another circuit.
		Blocks correctly received are transferred with their identifiers in a general chained queue and the input program disregards them completely.
	rogerdmoore.ca /PS/SITAB.html (4761 words)

	Block Breaker Deluxe for Mobile Review - Mobile Block Breaker Deluxe Review
		The block breaking game may have been created when Breakout was released back in 1976, but most modern block breaking games instead take a page from the book of Taito's 1986 arcade game, Arkanoid.
		Block Breaker Deluxe's story mode takes you from night club to night club in search of some brick bustin' action.
		Block Breaker Deluxe is broken into areas, each of which is a bustling night club, where Block Breaker is the entertainment of choice.
	www.gamespot.com /mobile/puzzle/blockbreakerdeluxe/review.html (873 words)

	Data Block Description (Site not responding. Last check: 2007-10-27)
		The Block Check Character shall be the modulo 2 binary sum of the characters in the transmission block excluding the SOH, i.e., the longitudinal parity including the BCC shall be made even.
		Note of course that the BCC could have the value of a Control Character but does not then mean it is that control character.
		In most cases, the character '0' is reserved for future expansion, e.g., '1' is not the same as '01' or '001' etc.
	www.apis.demon.co.uk /ESPA.4.4.4/datablock.html (640 words)

	CHKSUM function (Site not responding. Last check: 2007-10-27)
		The CHKSUM function returns the block check character (BCC) for the specified string-argument.
		The string-argument may be a string constant, a single-element string variable, a string array element, a string expression, or a string function.
		Note: The CHKSUM function uses the same check sum algorithm that is used by Comet's terminal protocol.
	www.signature.net /ib/chksum.htm (96 words)

	Glossary
		Block Check Character - Used to check transmission accuracy, a character transmitted by the sender after each message block and compared with a block check character computed by the receiver.
		CRC (Cycling Redundancy Check) - An error detection scheme in which the block check character is the remainder after dividing all the serialized bits in a transmission block by a predetermined binary number.
		Parity Check - The addition of noninformation bits that make up a transmission block to ensure tat the total number of 1's is always even or odd.
	www.telebyteusa.com /primer/glos.htm (2516 words)

	Block check character - Wikipedia, the free encyclopedia
		In telecommunications, a block check character (BCC) is a character added to a transmission block to facilitate error detection.
		In longitudinal redundancy checking and cyclic redundancy checking, block check characters are computed for, and added to, each message block transmitted.
		This page was last modified 05:53, 18 September 2006.
	en.wikipedia.org /wiki/Block_check_character (104 words)

	Part12: Binary Synchronous Protocol (Site not responding. Last check: 2007-10-27)
		In other words, when a character arrives at the receiver, the character has two meanings, it's either a data byte, or it's a control byte (which is used as information signals between the sender and receiver).
		Synchronize character, it establishes and maintains character synchronization prior to a message block and during transmission.
		If the BCC of the receiver does not match that of the sender, the receiver knows an error has occurred during transmission, and will instruct the sender to re-send the block by replying with a negative acknowledge (NACK).
	goforit.unk.edu /datacomm/dc_012.htm (1003 words)

	Communications protocols
		BSC is a code - sensitive protocol, and every character transmitted across a BSC channel must be decoded at the receiver to see if it is either a control character or end - user data.
		As stated previously, code-dependent protocols are also called byte or character protocols, and they are further distinguished by the fact that the control fields usually reside in variable locations inside the frame.
		Consequently, if bit patterns resembling any of these control characters are created in the user text and encountered by the receiving station, the receiving station assumes they are valid user data, because the DLE does not precede them.
	www.sem.mosaic-service.com /electron2/bsc.htm (555 words)

	MSN Status and Yahoo messenger block check (Site not responding. Last check: 2007-10-27)
		Check the msn status of your friends or on yahoo messenger block check.
		AIM MSN or Yahoo block check will allow you to find out who is your true friends.
		Block Checker is no longer avialaibe for download.
	www.block-checker.com /screenshots.php (91 words)

	Modular block unit for input-output subsystem - Patent 4074352
		The Base Module unit provides a building block by which a central processing unit of a digital data processing system may be expanded to handle a large number of peripheral devices with simplicity and reliability.
		Longitudinal parity checking is an error detection method in which a check word generated by a sending unit is compared to a check word generated in the same manner by a receiving unit.
		These check words are generated by treating each word in the transmission as a 16-bit number, then performing an exclusive OR operation (binary addition without carry) of each word in the transmission.
	www.freepatentsonline.com /4074352.html (19481 words)

	Firefox Help: Options Window
		The character encoding selected here will be used to display pages that do not specify which encoding to use.
		Check this option if you want Firefox to actively check whether the site you are visiting may be an attempt to mislead you into providing personal information (this is often referred to as phishing).
		By default, Firefox will periodically check and notify you when a new version for one of your installed add-ons is available.
	www.mozilla.org /support/firefox/options (3733 words)

	FUJI Digitial Camera Serial Interface information
		In order to avoid this problem, any character 0x10 which needs to be transmitted by data is preceeded by another 0x10 character.
		The block check character is a form of checksum.
		Thus to summarize, the BCC takes into account the actual data and the ETX or ETB character that marks the end of the packet.
	members.tripod.com /christian1/FujiMX.html (1880 words)

	FAQTs - Knowledge Base - View Entry - TSE: Menu: Character: Hotkey: Check: How to check if all hotkey characters are ...
		Method: First collect all hotkeys, then check if the resulting string is unique You collect all the hotkey menu characters in a block by adding these to a string.
		Finally you check if all the characters in that string are unique.
		Each time you check if a new found hotkey character is already present in that string.
	www.faqts.com /knowledge_base/view.phtml/aid/42920/fid/1571 (161 words)

	Block check character calculation
		2.1.2 Each of the first 7 bits of the block check character shall be the modulo 2 binary sum of every element in the same bit 1 to bit 7 column of the successive character of the transmitted block.
		2.1.4 The sense of the parity bit of the block check character shall be the same as for the information characters (odd for synchronous transmission, even for asynchronous transmission).
		2.3 With the exception of SYN (Synchronous Idle), all the characters which are transmitted after the start of the block check summation shall be included in the summation, including the ETB (End of Transmission/Block) or ETX (End of Text) control character which signals that the next following character is the block check character.
	www.lammertbies.nl /forum/viewtopic.php?t=71 (503 words)

	Block check - Blockstatus.com - MSN Status Checker, MSN Delete Checker, Yahoo
		MSN Block Checker, Block Checker, MSN Block Check, MSN Status
		Check if someone else has blocked you in Msn Messenger with MSN Block Checker.
		In telecommunications, a block check character (BCC) is a character added to a transmission block to facilitate error detection.
	xn--w40a802b.com /vlem/block-check.html (606 words)

	StorCase Technology Inc. - Data Integrity
		A printer or other peripheral device that sends or receives data character by character, rather than in bursts of data.
		A condition typically indicated by a Check Condition status during which a SCSI Target preserves sense data (information about failure or a specific condition) to be received by the corresponding SCSI Initiator.
		An error detection scheme in which the block check character is generated by dividing all the data in a transmission block by a predetermined number.
	www.storcase.com /tools/dictc.asp (506 words)

	BCC - Blind Carbon Copy, Block Check Character
		Blind Carbon Copy is not the only word formed from BCC.
		Searched for more definitions; no definitions of BCC found.
		Every attempt has been made to provide you with the correct acronym for BCC.
	www.auditmypc.com /acronym/BCC.asp (110 words)

	dc06.htm
		The text and the ETX are counted as part of the BCS (block check sequence).
		For example, the block check character of the 2 byte message 00001100 000000101 is 00001001.
		If we fail to initialize the block check character, then the old BCS will be logically exclusively or-ed with the new messsage, and the final result will be incorrect.
	ourworld.compuserve.com /homepages/rrclough/dc06.htm (2379 words)

	LRC - Longitudinal Redundancy Checking (Site not responding. Last check: 2007-10-27)
		Adds an additional character (instead of a bit)
		Block Check Character (BCC) to each block of data
		Calculations are based on the 1st bit, 2nd bit, etc. (of all characters) in the block
	home.ubalt.edu /abento/650/physicaldlink/tsld054.htm (79 words)

	Chapter 7 – Packets, Frames, and Error Detection
		With Data Stuffing, the occurrence of “control characters” that should be interpreted as “real data” are converted to some other character sequence, so that as a whole, any occurrence of SOH or EOT (for example) would truly be meant to delineate the beginning and end of a frame.
		One error checking mechanism is the RS-232 hardware mechanism whereby a timer follows the time required to receive the bits of the incoming character…
		Another RS-232 mechanism is the PARITY CHECK: sender computes an additional bit (parity bit) that’s attached to each character that’s transmitted.
	www.personal.psu.edu /pld2/ist220spring02/ch7notes.htm (1226 words)

	VoIP News, CRM News, Voice over IP, Call Centers, Internet Telephony
		Grow Revenue and Reduce Time to Market with Dialogic Building Blocks
		The UNIFIED DESKTOP: Pour your applications into a single view and bring your customers into focus
		Los Angeles County Selects Check Point for Data Security
	www.tmcnet.com (2176 words)

	Siemens Communications Lexicon - block check character (BCC)
		Siemens Communications Lexicon - block check character (BCC)
		The block check character is a checksum for individual blocks that is added to the transmitted block, and used to detect corrupted data and control blocks in transmissions with encoded strings.
		The block check character is generated by an error correction method such as BCC and FCS, in a similar way to a parity bit.
	networks.siemens.com /communications/lexicon/4/f005124.htm (97 words)

	CRC-16 Routines - PowerBASIC Forums
		to calculte a final Block Check Character (two; one byte each).
		' Byte of of the final Block Check Character - can be omitted if you don't need them.
		' - Final BCC (Block Check Character) composed of two one byte pieces of data, BCC1?, and BCC2?
	www.powerbasic.com /support/forums/Forum7/HTML/001999.html (315 words)

	Cartoon Network Block Party : Reviews, Preview, Cheats, News, Screenshots, Movies, and Forum (Site not responding. Last check: 2007-10-27)
		Currently, there are not enough Tomatometer critic reviews for Cartoon Network Block Party to receive a rating.
		CARTOON NETWORK BLOCK PARTY is a party game that keeps the game play fast and fun on the Game Boy Advance...
		Click here to be the first to post a message on "Cartoon Network Block Party."
	www.rottentomatoes.com /g/game_boy_advance/c_n_block_party (378 words)

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